Version 20170911

systemd-nspawn use a default environ PATH value of:
PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin

Since filesystem 2017.08, this is no more overrided by /etc/profile
to the Arch default:
PATH=/usr/local/sbin:/usr/local/bin:/usr/bin

Makefile

@@ -1,4 +1,4 @@
-V=20140510
+V=20170911
 
 PREFIX = /usr/local
 
@@ -74,7 +74,7 @@ edit = sed -e "s|@pkgdatadir[@]|$(DESTDIR)$(PREFIX)/share/devtools|g"
 %: %.in Makefile lib/common.sh
 	@echo "GEN $@"
 	@$(RM) "$@"
-	@m4 -P $@.in | $(edit) >$@
+	@{ echo -n 'm4_changequote([[[,]]])'; cat $@.in; } | m4 -P | $(edit) >$@
 	@chmod a-w "$@"
 	@chmod +x "$@"
 	@bash -O extglob -n "$@"
@@ -112,6 +112,10 @@ dist:
 	gpg --detach-sign --use-agent devtools-$(V).tar.gz
 
 upload:
-	scp devtools-$(V).tar.gz devtools-$(V).tar.gz.sig nymeria.archlinux.org:/srv/ftp/other/devtools/
+	scp devtools-$(V).tar.gz devtools-$(V).tar.gz.sig repos.archlinux.org:/srv/ftp/other/devtools/
 
-.PHONY: all clean install uninstall dist upload
+check: $(BINPROGS) bash_completion makepkg-x86_64.conf PKGBUILD.proto
+	shellcheck $^
+
+.PHONY: all clean install uninstall dist upload check
+.DELETE_ON_ERROR:

PKGBUILD.proto

@@ -0,0 +1,48 @@
+#!/hint/bash
+# shellcheck disable=2034
+
+# This is an example PKGBUILD file, so that shellcheck can know what
+# variables to expect be set after including a PKGBUILD.
+
+# Maintainer: Your Name <youremail@domain.com>
+pkgname=NAME
+pkgver=VERSION
+pkgrel=1
+epoch=
+pkgdesc=""
+arch=()
+url=""
+license=('GPL')
+groups=()
+depends=()
+makedepends=()
+checkdepends=()
+optdepends=()
+provides=()
+conflicts=()
+replaces=()
+backup=()
+options=()
+install=
+changelog=
+source=("$pkgname-$pkgver.tar.gz"
+        "$pkgname-$pkgver.patch")
+noextract=()
+md5sums=()
+validpgpkeys=()
+
+prepare() {
+	:
+}
+
+build() {
+	:
+}
+
+check() {
+	:
+}
+
+package() {
+	:
+}

arch-nspawn.in

@@ -1,4 +1,6 @@
 #!/bin/bash
+# License: GNU GPLv2
+#
 # This program is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
 # the Free Software Foundation; version 2 of the License.
@@ -9,11 +11,12 @@
 # GNU General Public License for more details.
 
 m4_include(lib/common.sh)
-
-CHROOT_VERSION='v3'
+m4_include(lib/archroot.sh)
 
 working_dir=''
 
+files=()
+
 usage() {
 	echo "Usage: ${0##*/} [options] working-dir [systemd-nspawn arguments]"
 	echo "A wrapper around systemd-nspawn. Provides support for pacman."
@@ -22,23 +25,27 @@ usage() {
 	echo '    -C <file>     Location of a pacman config file'
 	echo '    -M <file>     Location of a makepkg config file'
 	echo '    -c <dir>      Set pacman cache'
+	echo '    -f <file>     Copy file from the host to the chroot'
+	echo '    -s            Do not run setarch'
 	echo '    -h            This message'
 	exit 1
 }
 
-while getopts 'hC:M:c:' arg; do
+while getopts 'hC:M:c:f:s' arg; do
 	case "$arg" in
 		C) pac_conf="$OPTARG" ;;
 		M) makepkg_conf="$OPTARG" ;;
 		c) cache_dir="$OPTARG" ;;
+		f) files+=("$OPTARG") ;;
+		s) nosetarch=1 ;;
 		h|?) usage ;;
-		*) error "invalid argument '$arg'"; usage ;;
+		*) error "invalid argument '%s'" "$arg"; usage ;;
 	esac
 done
-shift $(($OPTIND - 1))
+shift $((OPTIND - 1))
 
 (( $# < 1 )) && die 'You must specify a directory.'
-check_root "$0" "$@"
+check_root
 
 working_dir=$(readlink -f "$1")
 shift 1
@@ -51,7 +58,9 @@ else
 	cache_dirs=("$cache_dir")
 fi
 
-host_mirror=$(pacman -Sddp extra/devtools 2>/dev/null | sed -r 's#(.*/)extra/os/.*#\1$repo/os/$arch#')
+# shellcheck disable=2016
+host_mirror=$(pacman --cachedir /doesnt/exist -Sddp extra/devtools 2>/dev/null | sed -r 's#(.*/)extra/os/.*#\1$repo/os/$arch#')
+# shellcheck disable=2016
 [[ $host_mirror == *file://* ]] && host_mirror_path=$(echo "$host_mirror" | sed -r 's#file://(/.*)/\$repo/os/\$arch#\1#g')
 
 # {{{ functions
@@ -59,13 +68,13 @@ build_mount_args() {
 	declare -g mount_args=()
 
 	if [[ -n $host_mirror_path ]]; then
-		mount_args+=(--bind-ro="$host_mirror_path")
+		mount_args+=("--bind-ro=$host_mirror_path")
 	fi
 
-	mount_args+=(--bind="${cache_dirs[0]}")
+	mount_args+=("--bind=${cache_dirs[0]}")
 
-	for cache_dir in ${cache_dirs[@]:1}; do
-		mount_args+=(--bind-ro="$cache_dir")
+	for cache_dir in "${cache_dirs[@]:1}"; do
+		mount_args+=("--bind-ro=$cache_dir")
 	done
 }
 
@@ -73,10 +82,16 @@ copy_hostconf () {
 	cp -a /etc/pacman.d/gnupg "$working_dir/etc/pacman.d"
 	echo "Server = $host_mirror" >"$working_dir/etc/pacman.d/mirrorlist"
 
-	[[ -n $pac_conf ]] && cp $pac_conf "$working_dir/etc/pacman.conf"
-	[[ -n $makepkg_conf ]] && cp $makepkg_conf "$working_dir/etc/makepkg.conf"
+	[[ -n $pac_conf ]] && cp "$pac_conf" "$working_dir/etc/pacman.conf"
+	[[ -n $makepkg_conf ]] && cp "$makepkg_conf" "$working_dir/etc/makepkg.conf"
 
-	sed -r "s|^#?\\s*CacheDir.+|CacheDir = $(echo -n ${cache_dirs[@]})|g" -i "$working_dir/etc/pacman.conf"
+	local file
+	for file in "${files[@]}"; do
+		mkdir -p "$(dirname "$working_dir$file")"
+		cp -T "$file" "$working_dir$file"
+	done
+
+	sed -r "s|^#?\\s*CacheDir.+|CacheDir = $(echo -n "${cache_dirs[@]}")|g" -i "$working_dir/etc/pacman.conf"
 }
 # }}}
 
@@ -84,21 +99,21 @@ umask 0022
 
 # Sanity check
 if [[ ! -f "$working_dir/.arch-chroot" ]]; then
-	die "'%s' does not appear to be a Arch chroot." "$working_dir"
-elif [[ $(cat "$working_dir/.arch-chroot") != $CHROOT_VERSION ]]; then
+	die "'%s' does not appear to be an Arch chroot." "$working_dir"
+elif [[ $(cat "$working_dir/.arch-chroot") != "$CHROOT_VERSION" ]]; then
 	die "chroot '%s' is not at version %s. Please rebuild." "$working_dir" "$CHROOT_VERSION"
 fi
 
 build_mount_args
 copy_hostconf
 
-eval $(grep '^CARCH=' "$working_dir/etc/makepkg.conf")
+eval "$(grep '^CARCH=' "$working_dir/etc/makepkg.conf")"
 
-machine_name="${working_dir//[![:alnum:]_-]/-}"
-machine_name="${machine_name#-}"
+[[ -z $nosetarch ]] || unset CARCH
 
-exec ${CARCH:+setarch "$CARCH"} systemd-nspawn 2>/dev/null \
+exec ${CARCH:+setarch "$CARCH"} systemd-nspawn -q \
 	-D "$working_dir" \
-	--machine "$machine_name" \
+	-E "PATH=/usr/local/sbin:/usr/local/bin:/usr/bin" \
+	--register=no --keep-unit \
 	"${mount_args[@]}" \
 	"$@"

archbuild.in

@@ -1,6 +1,8 @@
 #!/bin/bash
+# License: Unspecified
 
 m4_include(lib/common.sh)
+m4_include(lib/archroot.sh)
 
 base_packages=(base-devel)
 makechrootpkg_args=(-c -n)
@@ -37,26 +39,24 @@ while getopts 'hcr:' arg; do
 	esac
 done
 
+check_root
+
 # Pass all arguments after -- right to makepkg
 makechrootpkg_args+=("${@:$OPTIND}")
 
-check_root "$0" "$@"
-
 if ${clean_first} || [[ ! -d "${chroots}/${repo}-${arch}" ]]; then
-	msg "Creating chroot for [${repo}] (${arch})..."
+	msg "Creating chroot for [%s] (%s)..." "${repo}" "${arch}"
 
 	for copy in "${chroots}/${repo}-${arch}"/*; do
 		[[ -d $copy ]] || continue
-		msg2 "Deleting chroot copy '$(basename "${copy}")'..."
+		msg2 "Deleting chroot copy '%s'..." "$(basename "${copy}")"
 
-		lock 9 "$copydir.lock" "Locking chroot copy '$copy'"
+		lock 9 "$copy.lock" "Locking chroot copy '%s'" "$copy"
 
-		if [[ "$(stat -f -c %T "${copy}")" == btrfs ]]; then
-			{ type -P btrfs && btrfs subvolume delete "${copy}"; } &>/dev/null
-		fi
+		subvolume_delete_recursive "${copy}"
 		rm -rf --one-file-system "${copy}"
 	done
-	exec 9>&-
+	lock_close 9
 
 	rm -rf --one-file-system "${chroots}/${repo}-${arch}"
 	mkdir -p "${chroots}/${repo}-${arch}"
@@ -74,5 +74,5 @@ else
                 pacman -Syu --noconfirm || abort
 fi
 
-msg "Building in chroot for [${repo}] (${arch})..."
+msg "Building in chroot for [%s] (%s)..." "${repo}" "${arch}"
 exec makechrootpkg -r "${chroots}/${repo}-${arch}" "${makechrootpkg_args[@]}"

archco.in

@@ -1,19 +1,20 @@
 #!/bin/bash
+# License: Unspecified
 
 m4_include(lib/common.sh)
 
 scriptname=${0##*/}
 
 if [[ -z $1 ]]; then
-	echo 'Usage: '$scriptname' <package name>...'
+	printf 'Usage: %s <package name>...\n' "$scriptname"
 	exit 1
 fi
 
 case $scriptname in
 	archco)
-		SVNURL="svn+ssh://svn-packages@nymeria.archlinux.org/srv/repos/svn-packages/svn";;
+		SVNURL="svn+ssh://svn-packages@repos.archlinux.org/srv/repos/svn-packages/svn";;
 	communityco)
-		SVNURL="svn+ssh://svn-community@nymeria.archlinux.org/srv/repos/svn-community/svn";;
+		SVNURL="svn+ssh://svn-community@repos.archlinux.org/srv/repos/svn-community/svn";;
 	*)
 		die "Couldn't find svn url for %s" "$scriptname"
 		;;

archrelease.in

@@ -1,4 +1,5 @@
 #!/bin/bash
+# License: Unspecified
 
 m4_include(lib/common.sh)
 m4_include(lib/valid-tags.sh)
@@ -37,7 +38,7 @@ trunk=${PWD##*/}
 # Normally this should be trunk, but it may be something
 # such as 'gnome-unstable'
 IFS='/' read -r -d '' -a parts <<< "$PWD"
-if [[ "${parts[@]:(-2):1}" == "repos" ]]; then
+if [[ "${parts[*]:(-2):1}" == "repos" ]]; then
 	die 'archrelease: Should not be in repos dir (try from trunk/)'
 fi
 unset parts
@@ -57,8 +58,11 @@ done
 # gracefully handle files containing an "@" character
 known_files=("${known_files[@]/%/@}")
 
+# update repo directory first to avoid a commit failure
+svn up repos
+
 for tag in "$@"; do
-	stat_busy "Copying ${trunk} to ${tag}"
+	stat_busy "Copying %s to %s" "${trunk}" "${tag}"
 
 	if [[ -d repos/$tag ]]; then
 		declare -a trash
@@ -66,14 +70,14 @@ for tag in "$@"; do
 		while read -r file; do
 			trash+=("repos/$tag/$file")
 		done < <(svn ls "repos/$tag")
-		[[ $trash ]] && svn rm -q "${trash[@]/%/@}"
+		[[ ${#trash[@]} == 0 ]] || svn rm -q "${trash[@]/%/@}"
 	else
 		mkdir -p "repos/$tag"
 		svn add --parents -q "repos/$tag"
 	fi
 
 	# copy all files at once from trunk to the subdirectory in repos/
-	svn copy -q -r HEAD ${known_files[@]/#/$trunk/} "repos/$tag/"
+	svn copy -q -r HEAD "${known_files[@]/#/$trunk/}" "repos/$tag/"
 
 	stat_done
 done

archrm.in

@@ -1,4 +1,5 @@
 #!/bin/bash
+# License: Unspecified
 
 m4_include(lib/common.sh)
 
@@ -12,4 +13,4 @@ fi
 #
 #popd
 
-rm -rf $1
+rm -rf "$1"

bash_completion.in

@@ -1,9 +1,12 @@
+#!/hint/bash
+# License: Unspecified
+
 _devtools_compgen() {
   local i r
   COMPREPLY=($(compgen -W '$*' -- "$cur"))
   for ((i=1; i < ${#COMP_WORDS[@]}-1; i++)); do
-    for r in ${!COMPREPLY[@]}; do
-      if [[ ${COMP_WORDS[i]} = ${COMPREPLY[r]} ]]; then
+    for r in "${!COMPREPLY[@]}"; do
+      if [[ ${COMP_WORDS[i]} = "${COMPREPLY[r]}" ]]; then
         unset 'COMPREPLY[r]'; break
       fi
     done
@@ -12,7 +15,7 @@ _devtools_compgen() {
 
 _archco_pkg() {
   _devtools_compgen "$(
-      \pacman -$1
+      command pacman "-$1"
   )"
 }
 

checkpkg.in

@@ -1,4 +1,5 @@
 #!/bin/bash
+# License: Unspecified
 
 shopt -s extglob
 
@@ -6,22 +7,28 @@ m4_include(lib/common.sh)
 
 # Source makepkg.conf; fail if it is not found
 if [[ -r '/etc/makepkg.conf' ]]; then
+	# shellcheck source=makepkg-x86_64.conf
 	source '/etc/makepkg.conf'
 else
 	die '/etc/makepkg.conf not found!'
 fi
 
 # Source user-specific makepkg.conf overrides
-if [[ -r ~/.makepkg.conf ]]; then
-	source ~/.makepkg.conf
+if [[ -r "${XDG_CONFIG_HOME:-$HOME/.config}/pacman/makepkg.conf" ]]; then
+	# shellcheck source=/dev/null
+	source "${XDG_CONFIG_HOME:-$HOME/.config}/pacman/makepkg.conf"
+elif [[ -r "$HOME/.makepkg.conf" ]]; then
+	# shellcheck source=/dev/null
+	source "$HOME/.makepkg.conf"
 fi
 
 if [[ ! -f PKGBUILD ]]; then
 	die 'This must be run in the directory of a built package.'
 fi
 
+# shellcheck source=PKGBUILD.proto
 . ./PKGBUILD
-if [[ $arch == 'any' ]]; then
+if [[ ${arch[0]} == 'any' ]]; then
 	CARCH='any'
 fi
 
@@ -36,15 +43,12 @@ for _pkgname in "${pkgname[@]}"; do
 
 	ln -s "$pkgfile" "$TEMPDIR"
 
-	pkgurl=$(pacman -Spdd --print-format '%l' --noconfirm "$_pkgname")
-
-	if [[ $? -ne 0 ]]; then
+	pkgurl=$(pacman -Spdd --print-format '%l' --noconfirm "$_pkgname") ||
 		die "Couldn't download previous package for %s." "$_pkgname"
-	fi
 
 	oldpkg=${pkgurl##*://*/}
 
-	if [[ ${oldpkg##*/} = ${pkgfile##*/} ]]; then
+	if [[ ${oldpkg##*/} = "${pkgfile##*/}" ]]; then
 		die "The built package (%s) is the one in the repo right now!" "$_pkgname"
 	fi
 
@@ -63,15 +67,14 @@ for _pkgname in "${pkgname[@]}"; do
 
 	sdiff -s "$TEMPDIR/filelist-$_pkgname-old" "$TEMPDIR/filelist-$_pkgname"
 
-	if diff "$TEMPDIR/filelist-$_pkgname"{-old,} | grep '\.so' &>/dev/null; then
-		mkdir -p "$TEMPDIR/pkg"
-		bsdtar -x -C "$TEMPDIR" -f "$pkgfile" #> /dev/null
-		comm -13 <(sort "$TEMPDIR/filelist-$_pkgname-old") <(sort "$TEMPDIR/filelist-$_pkgname") | grep .so$ | while read i; do
-			echo "${i}: " "$(objdump -p "$TEMPDIR/$i" | grep SONAME)"
-		done
+	find-libprovides "$TEMPDIR/$oldpkg" 2>/dev/null | sort > "$TEMPDIR/libraries-$_pkgname-old"
+	find-libprovides "$pkgfile" 2>/dev/null | sort > "$TEMPDIR/libraries-$_pkgname"
+	if ! diff_output="$(sdiff -s "$TEMPDIR/libraries-$_pkgname-old" "$TEMPDIR/libraries-$_pkgname")"; then
+		msg "Sonames differ in $_pkgname!"
+		echo "$diff_output"
 	else
-		msg "No soname differences for $_pkgname."
+		msg "No soname differences for %s." "$_pkgname"
 	fi
 done
 
-msg "Files saved to $TEMPDIR"
+msg "Files saved to %s" "$TEMPDIR"

commitpkg.in

@@ -1,17 +1,23 @@
 #!/bin/bash
+# License: Unspecified
 
 m4_include(lib/common.sh)
 
 # Source makepkg.conf; fail if it is not found
 if [[ -r '/etc/makepkg.conf' ]]; then
+	# shellcheck source=makepkg-x86_64.conf
 	source '/etc/makepkg.conf'
 else
 	die '/etc/makepkg.conf not found!'
 fi
 
 # Source user-specific makepkg.conf overrides
-if [[ -r ~/.makepkg.conf ]]; then
-	. ~/.makepkg.conf
+if [[ -r "${XDG_CONFIG_HOME:-$HOME/.config}/pacman/makepkg.conf" ]]; then
+	# shellcheck source=/dev/null
+	source "${XDG_CONFIG_HOME:-$HOME/.config}/pacman/makepkg.conf"
+elif [[ -r "$HOME/.makepkg.conf" ]]; then
+	# shellcheck source=/dev/null
+	source "$HOME/.makepkg.conf"
 fi
 
 cmd=${0##*/}
@@ -20,6 +26,8 @@ if [[ ! -f PKGBUILD ]]; then
 	die 'No PKGBUILD file'
 fi
 
+source=()
+# shellcheck source=PKGBUILD.proto
 . ./PKGBUILD
 pkgbase=${pkgbase:-$pkgname}
 
@@ -47,7 +55,7 @@ done
 for i in 'changelog' 'install'; do
 	while read -r file; do
 		# evaluate any bash variables used
-		eval file=\"$(sed 's/^\(['\''"]\)\(.*\)\1$/\2/' <<< "$file")\"
+		eval "file=\"$(sed "s/^\(['\"]\)\(.*\)\1\$/\2/" <<< "$file")\""
 		needsversioning+=("$file")
 	done < <(sed -n "s/^[[:space:]]*$i=//p" PKGBUILD)
 done
@@ -61,7 +69,7 @@ if (( ${#needsversioning[*]} )); then
 	(( ${#unversioned[*]} )) && die "%s is not under version control" "${unversioned[@]}"
 fi
 
-rsyncopts=(-e ssh -p --chmod=ug=rw,o=r -c -h -L --progress --partial -y)
+rsyncopts=(-e ssh -p '--chmod=ug=rw,o=r' -c -h -L --progress --partial -y)
 archreleaseopts=()
 while getopts ':l:a:s:f' flag; do
 	case $flag in
@@ -76,12 +84,12 @@ done
 shift $(( OPTIND - 1 ))
 
 # check packages have the packager field set
-for _arch in ${arch[@]}; do
+for _arch in "${arch[@]}"; do
 	if [[ -n $commit_arch && ${_arch} != "$commit_arch" ]]; then
 		continue
 	fi
-	for _pkgname in ${pkgname[@]}; do
-		fullver=$(get_full_version $_pkgname)
+	for _pkgname in "${pkgname[@]}"; do
+		fullver=$(get_full_version "$_pkgname")
 
 		if pkgfile=$(find_cached_package "$_pkgname" "$_arch" "$fullver"); then
 			if grep -q "packager = Unknown Packager" <(bsdtar -xOqf "$pkgfile" .PKGINFO); then
@@ -92,7 +100,7 @@ for _arch in ${arch[@]}; do
 done
 
 if [[ -z $server ]]; then
-	server='nymeria.archlinux.org'
+	server='repos.archlinux.org'
 fi
 
 if [[ -n $(svn status -q) ]]; then
@@ -125,29 +133,29 @@ declare -a uploads
 declare -a commit_arches
 declare -a skip_arches
 
-for _arch in ${arch[@]}; do
+for _arch in "${arch[@]}"; do
 	if [[ -n $commit_arch && ${_arch} != "$commit_arch" ]]; then
-		skip_arches+=($_arch)
+		skip_arches+=("$_arch")
 		continue
 	fi
 
-	for _pkgname in ${pkgname[@]}; do
-		fullver=$(get_full_version $_pkgname)
+	for _pkgname in "${pkgname[@]}"; do
+		fullver=$(get_full_version "$_pkgname")
 
 		if ! pkgfile=$(find_cached_package "$_pkgname" "$fullver" "${_arch}"); then
-			warning "Skipping $_pkgname-$fullver-$_arch: failed to locate package file"
-			skip_arches+=($_arch)
+			warning "Skipping %s: failed to locate package file" "$_pkgname-$fullver-$_arch"
+			skip_arches+=("$_arch")
 			continue 2
 		fi
 		uploads+=("$pkgfile")
 
 		sigfile="${pkgfile}.sig"
 		if [[ ! -f $sigfile ]]; then
-			msg "Signing package ${pkgfile}..."
+			msg "Signing package %s..." "${pkgfile}"
 			if [[ -n $GPGKEY ]]; then
-				SIGNWITHKEY="-u ${GPGKEY}"
+				SIGNWITHKEY=(-u "${GPGKEY}")
 			fi
-			gpg --detach-sign --use-agent ${SIGNWITHKEY} "${pkgfile}" || die
+			gpg --detach-sign --use-agent --no-armor "${SIGNWITHKEY[@]}" "${pkgfile}" || die
 		fi
 		if ! gpg --verify "$sigfile" >/dev/null 2>&1; then
 			die "Signature %s.sig is incorrect!" "$pkgfile"
@@ -156,9 +164,9 @@ for _arch in ${arch[@]}; do
 	done
 done
 
-for _arch in ${arch[@]}; do
-	if ! in_array $_arch ${skip_arches[@]}; then
-		commit_arches+=($_arch)
+for _arch in "${arch[@]}"; do
+	if ! in_array "$_arch" "${skip_arches[@]}"; then
+		commit_arches+=("$_arch")
 	fi
 done
 
@@ -183,9 +191,9 @@ fi
 if [[ "${arch[*]}" == 'any' ]]; then
 	if [[ -d ../repos/$repo-i686 && -d ../repos/$repo-x86_64 ]]; then
 		pushd ../repos/ >/dev/null
-		stat_busy "Removing $repo-i686 and $repo-x86_64"
-		svn rm -q $repo-i686
-		svn rm -q $repo-x86_64
+		stat_busy "Removing %s and %s" "$repo-i686" "$repo-x86_64"
+		svn rm -q "$repo-i686"
+		svn rm -q "$repo-x86_64"
 		svn commit -q -m "Removed $repo-i686 and $repo-x86_64 for $pkgname"
 		stat_done
 		popd >/dev/null
@@ -193,8 +201,8 @@ if [[ "${arch[*]}" == 'any' ]]; then
 else
 	if [[ -d ../repos/$repo-any ]]; then
 		pushd ../repos/ >/dev/null
-		stat_busy "Removing $repo-any"
-		svn rm -q $repo-any
+		stat_busy "Removing %s" "$repo-any"
+		svn rm -q "$repo-any"
 		svn commit -q -m "Removed $repo-any for $pkgname"
 		stat_done
 		popd >/dev/null

crossrepomove.in

@@ -1,11 +1,12 @@
 #!/bin/bash
+# License: Unspecified
 
 m4_include(lib/common.sh)
 
 scriptname=${0##*/}
 
 if [[ -z $1 ]]; then
-	echo 'Usage: '$scriptname' [pkgbase]'
+	printf 'Usage: %s [pkgbase]\n' "$scriptname"
 	exit 1
 fi
 
@@ -29,7 +30,7 @@ case $scriptname in
 		;;
 esac
 
-server='nymeria.archlinux.org'
+server='repos.archlinux.org'
 source_svn="svn+ssh://svn-${source_name}@${server}/srv/repos/svn-${source_name}/svn"
 target_svn="svn+ssh://svn-${target_name}@${server}/srv/repos/svn-${target_name}/svn"
 source_dbscripts="/srv/repos/svn-${source_name}/dbscripts"
@@ -37,29 +38,31 @@ target_dbscripts="/srv/repos/svn-${target_name}/dbscripts"
 
 setup_workdir
 
-pushd $WORKDIR >/dev/null
+pushd "$WORKDIR" >/dev/null
 
-msg "Downloading sources for ${pkgbase}"
+msg "Downloading sources for %s" "${pkgbase}"
 svn -q checkout -N "${target_svn}" target_checkout
 mkdir -p "target_checkout/${pkgbase}/repos"
 svn -q export "${source_svn}/${pkgbase}/trunk" "target_checkout/${pkgbase}/trunk" || die
+# shellcheck source=PKGBUILD.proto
 . "target_checkout/${pkgbase}/trunk/PKGBUILD"
 
-msg "Downloading packages for ${pkgbase}"
-for _arch in ${arch[@]}; do
+msg "Downloading packages for %s" "${pkgbase}"
+for _arch in "${arch[@]}"; do
 	if [[ "${_arch[*]}" == 'any' ]]; then
 		repo_arch='x86_64'
 	else
 		repo_arch=${_arch}
 	fi
-	for _pkgname in ${pkgname[@]}; do
-		fullver=$(get_full_version $_pkgname)
+	for _pkgname in "${pkgname[@]}"; do
+		fullver=$(get_full_version "$_pkgname")
 		pkgpath="/srv/ftp/$source_repo/os/$repo_arch/$_pkgname-$fullver-${_arch}.pkg.tar.*"
+		# shellcheck disable=2029
 		ssh "$server" "cp $pkgpath staging/$target_repo" || die
 	done
 done
 
-msg "Adding ${pkgbase} to ${target_repo}"
+msg "Adding %s to %s" "${pkgbase}" "${target_repo}"
 svn -q add "target_checkout/${pkgbase}"
 svn -q propset svn:keywords 'Id' "target_checkout/${pkgbase}/trunk/PKGBUILD"
 svn -q commit -m"${scriptname}: Moving ${pkgbase} from ${source_repo} to ${target_repo}" target_checkout
@@ -67,10 +70,12 @@ pushd "target_checkout/${pkgbase}/trunk" >/dev/null
 archrelease "${arch[@]/#/$target_repo-}" || die
 popd >/dev/null
 
+# shellcheck disable=2029
 ssh "${server}" "${target_dbscripts}/db-update" || die
 
-msg "Removing ${pkgbase} from ${source_repo}"
-for _arch in ${arch[@]}; do
+msg "Removing %s from %s" "${pkgbase}" "${source_repo}"
+for _arch in "${arch[@]}"; do
+	# shellcheck disable=2029
 	ssh "${server}" "${source_dbscripts}/db-remove ${source_repo} ${_arch} ${pkgbase}"
 done
 svn -q checkout -N "${source_svn}" source_checkout

find-libdeps.in

@@ -1,4 +1,5 @@
 #!/bin/bash
+# License: Unspecified
 
 m4_include(lib/common.sh)
 
@@ -27,16 +28,16 @@ if [[ -z $1 ]]; then
 fi
 
 if [[ -d $1 ]]; then
-	pushd $1 >/dev/null
+	pushd "$1" >/dev/null
 else
 	setup_workdir
 
 	case ${script_mode} in
-		deps) bsdtar -C $WORKDIR -xf "$1";;
-		provides) bsdtar -C $WORKDIR -xf "$1" --include="*.so*";;
+		deps) bsdtar -C "$WORKDIR" -xf "$1";;
+		provides) bsdtar -C "$WORKDIR" -xf "$1" --include="*.so*";;
 	esac
 
-	pushd $WORKDIR >/dev/null
+	pushd "$WORKDIR" >/dev/null
 fi
 
 process_sofile() {
@@ -44,22 +45,22 @@ process_sofile() {
 	soname="${sofile%.so?(+(.+([0-9])))}".so
 	# extract the major version: 1
 	soversion="${sofile##*\.so\.}"
-	if [[ "$soversion" = "$sofile" ]] && (($IGNORE_INTERNAL)); then
+	if [[ "$soversion" = "$sofile" ]] && ((IGNORE_INTERNAL)); then
 		continue
 	fi
-	if ! in_array "${soname}=${soversion}-${soarch}" ${soobjects[@]}; then
+	if ! in_array "${soname}=${soversion}-${soarch}" "${soobjects[@]}"; then
 		# libfoo.so=1-64
 		echo "${soname}=${soversion}-${soarch}"
-		soobjects=(${soobjects[@]} "${soname}=${soversion}-${soarch}")
+		soobjects+=("${soname}=${soversion}-${soarch}")
 	fi
 }
 
 case $script_mode in
-	deps) find_args="-perm -u+x";;
-	provides) find_args="-name *.so*";;
+	deps) find_args=(-perm -u+x);;
+  provides) find_args=(-name '*.so*');;
 esac
 
-find . -type f $find_args | while read filename; do
+find . -type f "${find_args[@]}" | while read -r filename; do
 	if [[ $script_mode = "provides" ]]; then
 		# ignore if we don't have a shared object
 		if ! LC_ALL=C readelf -h "$filename" 2>/dev/null | grep -q '.*Type:.*DYN (Shared object file).*'; then

finddeps.in

@@ -2,6 +2,7 @@
 #
 # finddeps - find packages that depend on a given depname
 #
+# License: Unspecified
 
 m4_include(lib/common.sh)
 
@@ -16,24 +17,25 @@ if [[ -z $match ]]; then
 	exit 1
 fi
 
-find . -type d | while read d; do
+find . -type d | while read -r d; do
 	if [[ -f "$d/PKGBUILD" ]]; then
-		unset pkgname depends makedepends optdepends
+		pkgname=() depends=() makedepends=() optdepends=()
+		# shellcheck source=PKGBUILD.proto
 		. "$d/PKGBUILD"
 		for dep in "${depends[@]}"; do
 			# lose the version comparator, if any
 			depname=${dep%%[<>=]*}
-			[[ $depname = $match ]] && echo "$d (depends)"
+			[[ $depname = "$match" ]] && echo "$d (depends)"
 		done
 		for dep in "${makedepends[@]}"; do
 			# lose the version comparator, if any
 			depname=${dep%%[<>=]*}
-			[[ $depname = $match ]] && echo "$d (makedepends)"
+			[[ $depname = "$match" ]] && echo "$d (makedepends)"
 		done
 		for dep in "${optdepends[@]/:*}"; do
 			# lose the version comaparator, if any
 			depname=${dep%%[<>=]*}
-			[[ $depname = $match ]] && echo "$d (optdepends)"
+			[[ $depname = "$match" ]] && echo "$d (optdepends)"
 		done
 	fi
 done

lddd.in

@@ -2,6 +2,7 @@
 #
 # lddd - find broken library links on your machine
 #
+# License: Unspecified
 
 m4_include(lib/common.sh)
 
@@ -16,10 +17,10 @@ TEMPDIR=$(mktemp -d --tmpdir lddd-script.XXXX)
 msg 'Go out and drink some tea, this will take a while :) ...'
 #  Check ELF binaries in the PATH and specified dir trees.
 for tree in $PATH $libdirs $extras; do
-	msg2 "DIR $tree"
+	msg2 "DIR %s" "$tree"
 
 	#  Get list of files in tree.
-	files=$(find $tree -type f ! -name '*.a' ! -name '*.la' ! -name '*.py*' ! -name '*.txt' ! -name '*.h' ! -name '*.ttf' ! \
+	files=$(find "$tree" -type f ! -name '*.a' ! -name '*.la' ! -name '*.py*' ! -name '*.txt' ! -name '*.h' ! -name '*.ttf' ! \
 	-name '*.rb' ! -name '*.ko' ! -name '*.pc' ! -name '*.enc' ! -name '*.cf' ! -name '*.def' ! -name '*.rules' ! -name \
 	'*.cmi' ! -name  '*.mli' ! -name '*.ml' ! -name '*.cma' ! -name '*.cmx' ! -name '*.cmxa' ! -name '*.pod' ! -name '*.pm' \
 	! -name '*.pl' ! -name '*.al' ! -name '*.tcl' ! -name '*.bs' ! -name '*.o' ! -name '*.png' ! -name '*.gif' ! -name '*.cmo' \
@@ -27,22 +28,22 @@ for tree in $PATH $libdirs $extras; do
 	-name '*.mcopclass' ! -name '*.mcoptype')
 	IFS=$ifs
 	for i in $files; do
-		if (( $(file $i | grep -c 'ELF') != 0 )); then
+		if (( $(file "$i" | grep -c 'ELF') != 0 )); then
 			#  Is an ELF binary.
-			if (( $(ldd $i 2>/dev/null | grep -c 'not found') != 0 )); then
+			if (( $(ldd "$i" 2>/dev/null | grep -c 'not found') != 0 )); then
 				#  Missing lib.
-				echo "$i:" >> $TEMPDIR/raw.txt
-				ldd $i 2>/dev/null | grep 'not found' >> $TEMPDIR/raw.txt
+				echo "$i:" >> "$TEMPDIR/raw.txt"
+				ldd "$i" 2>/dev/null | grep 'not found' >> "$TEMPDIR/raw.txt"
 			fi
 		fi
 	done
 done
-grep '^/' $TEMPDIR/raw.txt | sed -e 's/://g' >> $TEMPDIR/affected-files.txt
+grep '^/' "$TEMPDIR/raw.txt" | sed -e 's/://g' >> "$TEMPDIR/affected-files.txt"
 # invoke pacman
-for i in $(cat $TEMPDIR/affected-files.txt); do
-	pacman -Qo $i | awk '{print $4,$5}' >> $TEMPDIR/pacman.txt
-done
+while read -r i; do
+	pacman -Qo "$i" | awk '{print $4,$5}' >> "$TEMPDIR/pacman.txt"
+done < "$TEMPDIR/affected-files.txt"
 # clean list
-sort -u $TEMPDIR/pacman.txt >> $TEMPDIR/possible-rebuilds.txt
+sort -u "$TEMPDIR/pacman.txt" >> "$TEMPDIR/possible-rebuilds.txt"
 
-msg "Files saved to $TEMPDIR"
+msg "Files saved to %s" "$TEMPDIR"

lib/archroot.sh

@@ -0,0 +1,67 @@
+#!/hint/bash
+# License: Unspecified
+:
+
+# shellcheck disable=2034
+CHROOT_VERSION='v4'
+
+##
+#  usage : check_root
+##
+orig_argv=("$0" "$@")
+check_root() {
+	(( EUID == 0 )) && return
+	if type -P sudo >/dev/null; then
+		exec sudo -- "${orig_argv[@]}"
+	else
+		exec su root -c "$(printf ' %q' "${orig_argv[@]}")"
+	fi
+}
+
+##
+#  usage : is_btrfs( $path )
+# return : whether $path is on a btrfs
+##
+is_btrfs() {
+	[[ -e "$1" && "$(stat -f -c %T "$1")" == btrfs ]]
+}
+
+##
+#  usage : is_subvolume( $path )
+# return : whether $path is a the root of a btrfs subvolume (including
+#          the top-level subvolume).
+##
+is_subvolume() {
+	[[ -e "$1" && "$(stat -f -c %T "$1")" == btrfs && "$(stat -c %i "$1")" == 256 ]]
+}
+
+##
+#  usage : is_same_fs( $path_a, $path_b )
+# return : whether $path_a and $path_b are on the same filesystem
+##
+is_same_fs() {
+	[[ "$(stat -c %d "$1")" == "$(stat -c %d "$1")" ]]
+}
+
+##
+#  usage : subvolume_delete_recursive( $path )
+#
+#    Find all btrfs subvolumes under and including $path and delete them.
+##
+subvolume_delete_recursive() {
+	local subvol
+
+	is_subvolume "$1" || return 0
+
+	while IFS= read -d $'\0' -r subvol; do
+		if ! subvolume_delete_recursive "$subvol"; then
+			return 1
+		fi
+	done < <(find "$1" -mindepth 1 -xdev -depth -inum 256 -print0)
+	if ! btrfs subvolume delete "$1" &>/dev/null; then
+		error "Unable to delete subvolume %s" "$subvol"
+		return 1
+	fi
+
+	return 0
+}

lib/common.sh

@@ -1,10 +1,18 @@
+#!/hint/bash
+# This may be included with or without `set -euE`
+
+# License: Unspecified
+
+[[ -z ${_INCLUDE_COMMON_SH:-} ]] || return 0
+_INCLUDE_COMMON_SH=true
+
 # Avoid any encoding problems
 export LANG=C
 
 shopt -s extglob
 
 # check if messages are to be printed using color
-unset ALL_OFF BOLD BLUE GREEN RED YELLOW
+declare ALL_OFF='' BOLD='' BLUE='' GREEN='' RED='' YELLOW=''
 if [[ -t 2 ]]; then
 	# prefer terminal safe colored and bold text when tput is supported
 	if tput setaf 0 &>/dev/null; then
@@ -27,45 +35,58 @@ readonly ALL_OFF BOLD BLUE GREEN RED YELLOW
 
 plain() {
 	local mesg=$1; shift
+	# shellcheck disable=2059
 	printf "${BOLD}    ${mesg}${ALL_OFF}\n" "$@" >&2
 }
 
 msg() {
 	local mesg=$1; shift
+	# shellcheck disable=2059
 	printf "${GREEN}==>${ALL_OFF}${BOLD} ${mesg}${ALL_OFF}\n" "$@" >&2
 }
 
 msg2() {
 	local mesg=$1; shift
+	# shellcheck disable=2059
 	printf "${BLUE}  ->${ALL_OFF}${BOLD} ${mesg}${ALL_OFF}\n" "$@" >&2
 }
 
 warning() {
 	local mesg=$1; shift
+	# shellcheck disable=2059
 	printf "${YELLOW}==> WARNING:${ALL_OFF}${BOLD} ${mesg}${ALL_OFF}\n" "$@" >&2
 }
 
 error() {
 	local mesg=$1; shift
+	# shellcheck disable=2059
 	printf "${RED}==> ERROR:${ALL_OFF}${BOLD} ${mesg}${ALL_OFF}\n" "$@" >&2
 }
 
 stat_busy() {
 	local mesg=$1; shift
-	printf "${GREEN}==>${ALL_OFF}${BOLD} ${mesg}...${ALL_OFF}" >&2
+	# shellcheck disable=2059
+	printf "${GREEN}==>${ALL_OFF}${BOLD} ${mesg}...${ALL_OFF}" "$@" >&2
 }
 
 stat_done() {
+	# shellcheck disable=2059
 	printf "${BOLD}done${ALL_OFF}\n" >&2
 }
 
+_setup_workdir=false
 setup_workdir() {
-	[[ -z $WORKDIR ]] && WORKDIR=$(mktemp -d --tmpdir "${0##*/}.XXXXXXXXXX")
+	[[ -z ${WORKDIR:-} ]] && WORKDIR=$(mktemp -d --tmpdir "${0##*/}.XXXXXXXXXX")
+	_setup_workdir=true
+	trap 'trap_abort' INT QUIT TERM HUP
+	trap 'trap_exit' EXIT
 }
 
 cleanup() {
-	[[ -n $WORKDIR ]] && rm -rf "$WORKDIR"
-	exit ${1:-0}
+	if [[ -n ${WORKDIR:-} ]] && $_setup_workdir; then
+		rm -rf "$WORKDIR"
+	fi
+	exit "${1:-0}"
 }
 
 abort() {
@@ -79,8 +100,9 @@ trap_abort() {
 }
 
 trap_exit() {
+	local r=$?
 	trap - EXIT INT QUIT TERM HUP
-	cleanup
+	cleanup $r
 }
 
 die() {
@@ -88,9 +110,6 @@ die() {
 	cleanup 255
 }
 
-trap 'trap_abort' INT QUIT TERM HUP
-trap 'trap_exit' EXIT
-
 ##
 #  usage : in_array( $needle, $haystack )
 # return : 0 - found
@@ -100,7 +119,7 @@ in_array() {
 	local needle=$1; shift
 	local item
 	for item in "$@"; do
-		[[ $item = $needle ]] && return 0 # Found
+		[[ $item = "$needle" ]] && return 0 # Found
 	done
 	return 1 # Not Found
 }
@@ -111,58 +130,79 @@ in_array() {
 ##
 get_full_version() {
 	# set defaults if they weren't specified in buildfile
-	pkgbase=${pkgbase:-${pkgname[0]}}
-	epoch=${epoch:-0}
+	local pkgbase=${pkgbase:-${pkgname[0]}}
+	local epoch=${epoch:-0}
+	local pkgver=${pkgver}
+	local pkgrel=${pkgrel}
 	if [[ -z $1 ]]; then
 		if (( ! epoch )); then
-			echo $pkgver-$pkgrel
+			printf '%s\n' "$pkgver-$pkgrel"
 		else
-			echo $epoch:$pkgver-$pkgrel
+			printf '%s\n' "$epoch:$pkgver-$pkgrel"
 		fi
 	else
+		local pkgver_override='' pkgrel_override='' epoch_override=''
 		for i in pkgver pkgrel epoch; do
 			local indirect="${i}_override"
-			eval $(declare -f package_$1 | sed -n "s/\(^[[:space:]]*$i=\)/${i}_override=/p")
+			eval "$(declare -f "package_$1" | sed -n "s/\(^[[:space:]]*$i=\)/${i}_override=/p")"
 			[[ -z ${!indirect} ]] && eval ${indirect}=\"${!i}\"
 		done
-		if (( ! $epoch_override )); then
-			echo $pkgver_override-$pkgrel_override
+		if (( ! epoch_override )); then
+			printf '%s\n' "$pkgver_override-$pkgrel_override"
 		else
-			echo $epoch_override:$pkgver_override-$pkgrel_override
+			printf '%s\n' "$epoch_override:$pkgver_override-$pkgrel_override"
 		fi
 	fi
 }
 
 ##
-#  usage : lock( $fd, $file, $message )
+#  usage : lock( $fd, $file, $message, [ $message_arguments... ] )
 ##
 lock() {
-	eval "exec $1>"'"$2"'
-	if ! flock -n $1; then
-		stat_busy "$3"
-		flock $1
+	# Only reopen the FD if it wasn't handed to us
+	if ! [[ "/dev/fd/$1" -ef "$2" ]]; then
+		mkdir -p -- "$(dirname -- "$2")"
+		eval "exec $1>"'"$2"'
+	fi
+
+	if ! flock -n "$1"; then
+		stat_busy "${@:3}"
+		flock "$1"
 		stat_done
 	fi
 }
 
 ##
-#  usage : slock( $fd, $file, $message )
+#  usage : slock( $fd, $file, $message, [ $message_arguments... ] )
 ##
 slock() {
-	eval "exec $1>"'"$2"'
-	if ! flock -sn $1; then
-		stat_busy "$3"
-		flock -s $1
+	# Only reopen the FD if it wasn't handed to us
+	if ! [[ "/dev/fd/$1" -ef "$2" ]]; then
+		mkdir -p -- "$(dirname -- "$2")"
+		eval "exec $1>"'"$2"'
+	fi
+
+	if ! flock -sn "$1"; then
+		stat_busy "${@:3}"
+		flock -s "$1"
 		stat_done
 	fi
 }
 
+##
+#  usage : lock_close( $fd )
+##
+lock_close() {
+	local fd=$1
+	# https://github.com/koalaman/shellcheck/issues/862
+	# shellcheck disable=2034
+	exec {fd}>&-
+}
+
 ##
 # usage: pkgver_equal( $pkgver1, $pkgver2 )
 ##
 pkgver_equal() {
-	local left right
-
 	if [[ $1 = *-* && $2 = *-* ]]; then
 		# if both versions have a pkgrel, then they must be an exact match
 		[[ $1 = "$2" ]]
@@ -181,7 +221,7 @@ pkgver_equal() {
 find_cached_package() {
 	local searchdirs=("$PWD" "$PKGDEST") results=()
 	local targetname=$1 targetver=$2 targetarch=$3
-	local dir pkg pkgbasename pkgparts name ver rel arch size r results
+	local dir pkg pkgbasename name ver rel arch r results
 
 	for dir in "${searchdirs[@]}"; do
 		[[ -d $dir ]] || continue
@@ -219,7 +259,7 @@ find_cached_package() {
 			return 1
 			;;
 		1)
-			printf '%s\n' "$results"
+			printf '%s\n' "${results[0]}"
 			return 0
 			;;
 		*)
@@ -228,16 +268,3 @@ find_cached_package() {
 			return 1
 	esac
 }
-
-##
-#  usage : check_root ("$0" "$@")
-##
-check_root() {
-	(( EUID == 0 )) && return
-	if type -P sudo >/dev/null; then
-		exec sudo -- "$@"
-	else
-		exec su root -c "$(printf '%q' "$@")"
-	fi
-	die 'This script must be run as root.'
-}

lib/valid-tags.sh

@@ -1,9 +1,15 @@
+#!/hint/bash
+# License: Unspecified
+:
+
+# shellcheck disable=2034
 _arch=(
 	i686
 	x86_64
 	any
 )
 
+# shellcheck disable=2034
 _tags=(
 	core-i686 core-x86_64 core-any
 	extra-i686 extra-x86_64 extra-any

makechrootpkg.in

@@ -1,4 +1,6 @@
 #!/bin/bash
+# License: GNU GPLv2
+#
 # This program is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
 # the Free Software Foundation; version 2 of the License.
@@ -9,28 +11,32 @@
 # GNU General Public License for more details.
 
 m4_include(lib/common.sh)
+m4_include(lib/archroot.sh)
 
 shopt -s nullglob
 
-makepkg_args='-s --noconfirm -L --holdver'
-repack=false
-update_first=false
-clean_first=false
-install_pkg=
-run_namcap=false
-temp_chroot=false
-chrootdir=
-passeddir=
-declare -a install_pkgs
-declare -i ret=0
+init_variables() {
+	default_makepkg_args=(--syncdeps --noconfirm --log --holdver --skipinteg)
+	makepkg_args=("${default_makepkg_args[@]}")
+	keepbuilddir=false
+	update_first=false
+	clean_first=false
+	run_namcap=false
+	temp_chroot=false
+	chrootdir=
+	passeddir=
+	makepkg_user=
+	declare -ga install_pkgs
+	declare -gi ret=0
 
-bindmounts_ro=()
-bindmounts_rw=()
+	bindmounts_ro=()
+	bindmounts_rw=()
 
-copy=$USER
-[[ -n $SUDO_USER ]] && copy=$SUDO_USER
-[[ -z "$copy" || $copy = root ]] && copy=copy
-src_owner=${SUDO_USER:-$USER}
+	copy=$USER
+	[[ -n ${SUDO_USER:-} ]] && copy=$SUDO_USER
+	[[ -z "$copy" || $copy = root ]] && copy=copy
+	src_owner=${SUDO_USER:-$USER}
+}
 
 usage() {
 	echo "Usage: ${0##*/} [options] -r <chrootdir> [--] [makepkg args]"
@@ -46,7 +52,11 @@ usage() {
 	echo 'command:'
 	echo '    mkarchroot <chrootdir>/root base-devel'
 	echo ''
-	echo "Default makepkg args: $makepkg_args"
+	echo 'This script reads {SRC,SRCPKG,PKG,LOG}DEST, MAKEFLAGS and PACKAGER'
+	echo 'from makepkg.conf(5), if those variables are not part of the'
+	echo 'environment.'
+	echo ''
+	echo "Default makepkg args: ${default_makepkg_args[*]}"
 	echo ''
 	echo 'Flags:'
 	echo '-h         This help'
@@ -63,109 +73,80 @@ usage() {
 	echo "           Default: $copy"
 	echo '-n         Run namcap on the package'
 	echo '-T         Build in a temporary directory'
+	echo '-U         Run makepkg as a specified user'
 	exit 1
 }
 
-while getopts 'hcur:I:l:nTD:d:' arg; do
-	case "$arg" in
-		h) usage ;;
-		c) clean_first=true ;;
-		D) bindmounts_ro+=(--bind-ro="$OPTARG") ;;
-		d) bindmounts_rw+=(--bind="$OPTARG") ;;
-		u) update_first=true ;;
-		r) passeddir="$OPTARG" ;;
-		I) install_pkgs+=("$OPTARG") ;;
-		l) copy="$OPTARG" ;;
-		n) run_namcap=true; makepkg_args="$makepkg_args -i" ;;
-		T) temp_chroot=true; copy+="-$$" ;;
-	esac
-done
-
-check_root "$0" "$@"
-
-[[ ! -f PKGBUILD && -z "${install_pkgs[*]}" ]] && die 'This must be run in a directory containing a PKGBUILD.'
-
-# Canonicalize chrootdir, getting rid of trailing /
-chrootdir=$(readlink -e "$passeddir")
-[[ ! -d $chrootdir ]] && die "No chroot dir defined, or invalid path '%s'" "$passeddir"
-[[ ! -d $chrootdir/root ]] && die "Missing chroot dir root directory. Try using: mkarchroot %s/root base-devel" "$chrootdir"
-
-# Detect chrootdir filesystem type
-chroottype=$(stat -f -c %T "$chrootdir")
-
-if [[ ${copy:0:1} = / ]]; then
-	copydir=$copy
-else
-	copydir="$chrootdir/$copy"
-fi
-
-# Pass all arguments after -- right to makepkg
-makepkg_args="$makepkg_args ${*:$OPTIND}"
-
-# See if -R was passed to makepkg
-for arg in "${@:OPTIND}"; do
-	case ${arg%%=*} in
-		-*R*|--repackage)
-			repack=true
-			break 2
-			;;
-	esac
-done
-
-if [[ -n $SUDO_USER ]]; then
-	USER_HOME=$(eval echo ~$SUDO_USER)
-else
-	USER_HOME=$HOME
-fi
-
 # {{{ functions
+# Usage: load_vars $makepkg_conf
+# Globals:
+#  - SRCDEST
+#  - SRCPKGDEST
+#  - PKGDEST
+#  - LOGDEST
+#  - MAKEFLAGS
+#  - PACKAGER
 load_vars() {
 	local makepkg_conf="$1" var
 
 	[[ -f $makepkg_conf ]] || return 1
 
 	for var in {SRC,SRCPKG,PKG,LOG}DEST MAKEFLAGS PACKAGER; do
-		[[ -z ${!var} ]] && eval $(grep "^${var}=" "$makepkg_conf")
+		[[ -z ${!var:-} ]] && eval "$(grep "^${var}=" "$makepkg_conf")"
 	done
 
 	return 0
 }
 
-create_chroot() {
-	# Lock the chroot we want to use. We'll keep this lock until we exit.
-	lock 9 "$copydir.lock" "Locking chroot copy [$copy]"
+# Usage: sync_chroot $rootdir $copydir [$copy]
+sync_chroot() {
+	local rootdir=$1
+	local copydir=$2
+	local copy=${3:-$2}
 
-	if [[ ! -d $copydir ]] || $clean_first; then
-		# Get a read lock on the root chroot to make
-		# sure we don't clone a half-updated chroot
-		slock 8 "$chrootdir/root.lock" "Locking clean chroot"
-
-		stat_busy "Creating clean working copy [$copy]"
-		if [[ "$chroottype" == btrfs ]] && ! mountpoint -q "$copydir"; then
-			if [[ -d $copydir ]]; then
-				btrfs subvolume delete "$copydir" >/dev/null ||
-					die "Unable to delete subvolume %s" "$copydir"
-			fi
-			btrfs subvolume snapshot "$chrootdir/root" "$copydir" >/dev/null ||
-				die "Unable to create subvolume %s" "$copydir"
-		else
-			mkdir -p "$copydir"
-			rsync -a --delete -q -W -x "$chrootdir/root/" "$copydir"
-		fi
-		stat_done
-
-		# Drop the read lock again
-		exec 8>&-
+	if [[ "$rootdir" -ef "$copydir" ]]; then
+		error 'Cannot sync copy with itself: %s' "$copydir"
+		return 1
 	fi
 
+	# Get a read lock on the root chroot to make
+	# sure we don't clone a half-updated chroot
+	slock 8 "$rootdir.lock" \
+		"Locking clean chroot [%s]" "$rootdir"
+
+	stat_busy "Synchronizing chroot copy [%s] -> [%s]" "$rootdir" "$copy"
+	if is_subvolume "$rootdir" && is_same_fs "$rootdir" "$(dirname -- "$copydir")" && ! mountpoint -q "$copydir"; then
+		if is_subvolume "$copydir"; then
+			subvolume_delete_recursive "$copydir" ||
+				die "Unable to delete subvolume %s" "$copydir"
+		else
+			# avoid change of filesystem in case of an umount failure
+			rm --recursive --force --one-file-system "$copydir" ||
+				die "Unable to delete %s" "$copydir"
+		fi
+		btrfs subvolume snapshot "$rootdir" "$copydir" >/dev/null ||
+			die "Unable to create subvolume %s" "$copydir"
+	else
+		mkdir -p "$copydir"
+		rsync -a --delete -q -W -x "$rootdir/" "$copydir"
+	fi
+	stat_done
+
+	# Drop the read lock again
+	lock_close 8
+
 	# Update mtime
 	touch "$copydir"
 }
 
-clean_temporary() {
-	stat_busy "Removing temporary copy [$copy]"
-	if [[ "$chroottype" == btrfs ]]; then
-		btrfs subvolume delete "$copydir" >/dev/null ||
+# Usage: delete_chroot $copydir [$copy]
+delete_chroot() {
+	local copydir=$1
+	local copy=${1:-$2}
+
+	stat_busy "Removing chroot copy [%s]" "$copy"
+	if is_subvolume "$copydir" && ! mountpoint -q "$copydir"; then
+		subvolume_delete_recursive "$copydir" ||
 			die "Unable to delete subvolume %s" "$copydir"
 	else
 		# avoid change of filesystem in case of an umount failure
@@ -178,167 +159,146 @@ clean_temporary() {
 	stat_done
 }
 
+# Usage: install_packages $copydir $pkgs...
 install_packages() {
-	local pkgname
+	local copydir=$1
+	local install_pkgs=("${@:2}")
 
-	for install_pkg in "${install_pkgs[@]}"; do
-		pkgname="${install_pkg##*/}"
-		cp "$install_pkg" "$copydir/$pkgname"
+	local -a pkgnames
+	local ret
 
-		arch-nspawn "$copydir" \
-			"${bindmounts_ro[@]}" "${bindmounts_rw[@]}" \
-			pacman -U /$pkgname --noconfirm
-		(( ret += !! $? ))
+	pkgnames=("${install_pkgs[@]##*/}")
 
-		rm "$copydir/$pkgname"
-	done
+	cp -- "${install_pkgs[@]}" "$copydir/root/"
+	arch-nspawn "$copydir" "${bindmounts_ro[@]}" "${bindmounts_rw[@]}" \
+		pacman -U --noconfirm -- "${pkgnames[@]/#//root/}"
+	ret=$?
+	rm -- "${pkgnames[@]/#/$copydir/root/}"
 
-	# If there is no PKGBUILD we are done
-	[[ -f PKGBUILD ]] || exit $ret
+	return $ret
 }
 
+# Usage: prepare_chroot $copydir $HOME $keepbuilddir $run_namcap
+# Globals:
+#  - MAKEFLAGS
+#  - PACKAGER
 prepare_chroot() {
-	$repack || rm -rf "$copydir/build"
+	local copydir=$1
+	local USER_HOME=$2
+	local keepbuilddir=$3
+	local run_namcap=$4
 
-	mkdir -p "$copydir/build"
-	if ! grep -q 'BUILDDIR="/build"' "$copydir/etc/makepkg.conf"; then
-		echo 'BUILDDIR="/build"' >> "$copydir/etc/makepkg.conf"
-	fi
+	$keepbuilddir || rm -rf "$copydir/build"
 
-	# Read .makepkg.conf and .gnupg/pubring.gpg even if called via sudo
-	if [[ -r "$USER_HOME/.gnupg/pubring.gpg" ]]; then
-		install -D "$USER_HOME/.gnupg/pubring.gpg" \
-			   "$copydir/build/.gnupg/pubring.gpg"
-	fi
+	local builduser_uid builduser_gid
+	builduser_uid="${SUDO_UID:-$UID}"
+	builduser_gid="$(id -g "$builduser_uid")"
+	local install="install -o $builduser_uid -g $builduser_gid"
+	local x
 
-	mkdir -p "$copydir/pkgdest"
-	if ! grep -q 'PKGDEST="/pkgdest"' "$copydir/etc/makepkg.conf"; then
-		echo 'PKGDEST="/pkgdest"' >> "$copydir/etc/makepkg.conf"
-	fi
+	# We can't use useradd without chrooting, otherwise it invokes PAM modules
+	# which we might not be able to load (i.e. when building i686 packages on
+	# an x86_64 host).
+	sed -e '/^builduser:/d' -i "$copydir"/etc/{passwd,group}
+	printf >>"$copydir/etc/group"  'builduser:x:%d:\n' "$builduser_gid"
+	printf >>"$copydir/etc/passwd" 'builduser:x:%d:%d:builduser:/build:/bin/bash\n' "$builduser_uid" "$builduser_gid"
 
-	mkdir -p "$copydir/srcpkgdest"
-	if ! grep -q 'SRCPKGDEST="/srcpkgdest"' "$copydir/etc/makepkg.conf"; then
-		echo 'SRCPKGDEST="/srcpkgdest"' >> "$copydir/etc/makepkg.conf"
-	fi
+	$install -d "$copydir"/{build,build/.gnupg,startdir,{pkg,srcpkg,src,log}dest}
 
-	mkdir -p "$copydir/logdest"
-	if ! grep -q 'LOGDEST="/logdest"' "$copydir/etc/makepkg.conf"; then
-		echo 'LOGDEST="/logdest"' >> "$copydir/etc/makepkg.conf"
-	fi
+	for x in .gnupg/pubring.{kbx,gpg}; do
+		[[ -r $USER_HOME/$x ]] || continue
+		$install -m 644 "$USER_HOME/$x" "$copydir/build/$x"
+	done
 
-	# These two get bind-mounted read-only
-	# XXX: makepkg dislikes having these dirs read-only, so separate them
-	mkdir -p "$copydir/startdir" "$copydir/startdir_host"
-	mkdir -p "$copydir/srcdest" "$copydir/srcdest_host"
-	if ! grep -q 'SRCDEST="/srcdest"' "$copydir/etc/makepkg.conf"; then
-		echo 'SRCDEST="/srcdest"' >> "$copydir/etc/makepkg.conf"
-	fi
+	sed -e '/^MAKEFLAGS=/d' -e '/^PACKAGER=/d' -i "$copydir/etc/makepkg.conf"
+	for x in BUILDDIR=/build PKGDEST=/pkgdest SRCPKGDEST=/srcpkgdest SRCDEST=/srcdest LOGDEST=/logdest \
+		"MAKEFLAGS='${MAKEFLAGS:-}'" "PACKAGER='${PACKAGER:-}'"
+	do
+		grep -q "^$x" "$copydir/etc/makepkg.conf" && continue
+		echo "$x" >>"$copydir/etc/makepkg.conf"
+	done
 
-	chown -R nobody "$copydir"/{build,pkgdest,srcpkgdest,logdest,srcdest,startdir}
-
-	if [[ -n $MAKEFLAGS ]]; then
-		sed -i '/^MAKEFLAGS=/d' "$copydir/etc/makepkg.conf"
-		echo "MAKEFLAGS='${MAKEFLAGS}'" >> "$copydir/etc/makepkg.conf"
-	fi
-
-	if [[ -n $PACKAGER ]]; then
-		sed -i '/^PACKAGER=/d' "$copydir/etc/makepkg.conf"
-		echo "PACKAGER='${PACKAGER}'" >> "$copydir/etc/makepkg.conf"
-	fi
-
-	if [[ ! -f $copydir/etc/sudoers.d/nobody-pacman ]]; then
-		cat > "$copydir/etc/sudoers.d/nobody-pacman" <<EOF
-Defaults env_keep += "HOME"
-nobody ALL = NOPASSWD: /usr/bin/pacman
+	cat > "$copydir/etc/sudoers.d/builduser-pacman" <<EOF
+builduser ALL = NOPASSWD: /usr/bin/pacman
 EOF
-		chmod 440 "$copydir/etc/sudoers.d/nobody-pacman"
-	fi
+	chmod 440 "$copydir/etc/sudoers.d/builduser-pacman"
 
 	# This is a little gross, but this way the script is recreated every time in the
 	# working copy
-	printf $'#!/bin/bash\n%s\n_chrootbuild %q %q' "$(declare -f _chrootbuild)" \
-		"$makepkg_args" "$run_namcap" >"$copydir/chrootbuild"
+	{
+		printf '#!/bin/bash\n'
+		declare -f _chrootbuild
+		printf '_chrootbuild "$@" || exit\n'
+
+		if $run_namcap; then
+			declare -f _chrootnamcap
+			printf '_chrootnamcap || exit\n'
+		fi
+	} >"$copydir/chrootbuild"
 	chmod +x "$copydir/chrootbuild"
 }
 
+# These functions aren't run in makechrootpkg,
+# so no global variables
+_chrootbuild() {
+	# shellcheck source=/dev/null
+	. /etc/profile
+	# Beware, there are some stupid arbitrary rules on how you can
+	# use "$" in arguments to commands with "sudo -i".  ${foo} or
+	# ${1} is OK, but $foo or $1 isn't.
+	# https://bugzilla.sudo.ws/show_bug.cgi?id=765
+	sudo -iu builduser bash -c 'cd /startdir; makepkg "$@"' -bash "$@"
+}
+
+_chrootnamcap() {
+	pacman -S --needed --noconfirm namcap
+	for pkgfile in /startdir/PKGBUILD /pkgdest/*; do
+		echo "Checking ${pkgfile##*/}"
+		sudo -u builduser namcap "$pkgfile" 2>&1 | tee "/logdest/${pkgfile##*/}-namcap.log"
+	done
+}
+
+# Usage: download_sources $copydir $makepkg_user
+# Globals:
+#  - SRCDEST
+#  - USER
 download_sources() {
-	local builddir="$(mktemp -d)"
+	local copydir=$1
+	local makepkg_user=$2
+
+	local builddir
+	builddir="$(mktemp -d)"
 	chmod 1777 "$builddir"
 
 	# Ensure sources are downloaded
-	if [[ -n $SUDO_USER ]]; then
-		sudo -u $SUDO_USER env SRCDEST="$SRCDEST" BUILDDIR="$builddir" \
-			makepkg --config="$copydir/etc/makepkg.conf" --verifysource -o
-	else
-		( export SRCDEST BUILDDIR="$builddir"
-			makepkg --asroot --config="$copydir/etc/makepkg.conf" --verifysource -o
-		)
-	fi
-	(( $? != 0 )) && die "Could not download sources."
+	sudo -u "$makepkg_user" env SRCDEST="$SRCDEST" BUILDDIR="$builddir" \
+		makepkg --config="$copydir/etc/makepkg.conf" --verifysource -o ||
+		die "Could not download sources."
 
 	# Clean up garbage from verifysource
-	rm -rf $builddir
-}
-
-_chrootbuild() {
-	# This function isn't run in makechrootpkg,
-	# so no global variables
-	local makepkg_args="$1"
-	local run_namcap="$2"
-
-	. /etc/profile
-	export HOME=/build
-	shopt -s nullglob
-
-	# XXX: Workaround makepkg disliking read-only dirs
-	ln -sft /srcdest /srcdest_host/*
-	ln -sft /startdir /startdir_host/*
-
-	# XXX: Keep bzr and svn sources writable
-	# Since makepkg 4.1.1 they get checked out via cp -a, copying the symlink
-	for dir in /srcdest /startdir; do
-		for vcs in bzr svn; do
-			cd "$dir"
-			for vcsdir in */.$vcs; do
-				rm "${vcsdir%/.$vcs}"
-				cp -a "${dir}_host/${vcsdir%/.$vcs}" .
-				chown -R nobody "${vcsdir%/.$vcs}"
-			done
-		done
-	done
-
-	cd /startdir
-
-	# XXX: Keep PKGBUILD writable for pkgver()
-	rm PKGBUILD*
-	cp /startdir_host/PKGBUILD* .
-	chown nobody PKGBUILD*
-
-	# Safety check
-	if [[ ! -w PKGBUILD ]]; then
-		echo "Can't write to PKGBUILD!"
-		exit 1
-	fi
-
-	sudo -u nobody makepkg $makepkg_args || exit 1
-
-	if $run_namcap; then
-		pacman -S --needed --noconfirm namcap
-		for pkgfile in /startdir/PKGBUILD /pkgdest/*; do
-			echo "Checking ${pkgfile##*/}"
-			sudo -u nobody namcap "$pkgfile" 2>&1 | tee "/logdest/${pkgfile##*/}-namcap.log"
-		done
-	fi
-
-	exit 0
+	rm -rf "$builddir"
 }
 
+# Usage: move_products $copydir $owner
+# Globals:
+#  - PKGDEST
+#  - LOGDEST
 move_products() {
+	local copydir=$1
+	local src_owner=$2
+
+	local pkgfile
 	for pkgfile in "$copydir"/pkgdest/*; do
 		chown "$src_owner" "$pkgfile"
 		mv "$pkgfile" "$PKGDEST"
+
+		# Fix broken symlink because of temporary chroot PKGDEST /pkgdest
+		if [[ "$PWD" != "$PKGDEST" && -L "$PWD/${pkgfile##*/}" ]]; then
+			ln -sf "$PKGDEST/${pkgfile##*/}"
+		fi
 	done
 
+	local l
 	for l in "$copydir"/logdest/*; do
 		[[ $l == */logpipe.* ]] && continue
 		chown "$src_owner" "$l"
@@ -348,52 +308,130 @@ move_products() {
 	for s in "$copydir"/srcpkgdest/*; do
 		chown "$src_owner" "$s"
 		mv "$s" "$SRCPKGDEST"
+
+		# Fix broken symlink because of temporary chroot SRCPKGDEST /srcpkgdest
+		if [[ "$PWD" != "$SRCPKGDEST" && -L "$PWD/${s##*/}" ]]; then
+			ln -sf "$SRCPKGDEST/${s##*/}"
+		fi
 	done
 }
 # }}}
 
-umask 0022
+main() {
+	init_variables
 
-load_vars "$USER_HOME/.makepkg.conf"
-load_vars /etc/makepkg.conf
+	while getopts 'hcur:I:l:nTD:d:U:' arg; do
+		case "$arg" in
+			c) clean_first=true ;;
+			D) bindmounts_ro+=("--bind-ro=$OPTARG") ;;
+			d) bindmounts_rw+=("--bind=$OPTARG") ;;
+			u) update_first=true ;;
+			r) passeddir="$OPTARG" ;;
+			I) install_pkgs+=("$OPTARG") ;;
+			l) copy="$OPTARG" ;;
+			n) run_namcap=true; makepkg_args+=(--install) ;;
+			T) temp_chroot=true; copy+="-$$" ;;
+			U) makepkg_user="$OPTARG" ;;
+			h|*) usage ;;
+		esac
+	done
 
-# Use PKGBUILD directory if these don't exist
-[[ -d $PKGDEST ]]    || PKGDEST=$PWD
-[[ -d $SRCDEST ]]    || SRCDEST=$PWD
-[[ -d $SRCPKGDEST ]] || SRCPKGDEST=$PWD
-[[ -d $LOGDEST ]]    || LOGDEST=$PWD
+	[[ ! -f PKGBUILD && -z "${install_pkgs[*]}" ]] && die 'This must be run in a directory containing a PKGBUILD.'
+	[[ -n $makepkg_user && -z $(id -u "$makepkg_user") ]] && die 'Invalid makepkg user.'
+	makepkg_user=${makepkg_user:-${SUDO_USER:-$USER}}
 
-create_chroot
+	check_root
 
-$update_first && arch-nspawn "$copydir" \
-		"${bindmounts_ro[@]}" "${bindmounts_rw[@]}" \
-		pacman -Syu --noconfirm
+	# Canonicalize chrootdir, getting rid of trailing /
+	chrootdir=$(readlink -e "$passeddir")
+	[[ ! -d $chrootdir ]] && die "No chroot dir defined, or invalid path '%s'" "$passeddir"
+	[[ ! -d $chrootdir/root ]] && die "Missing chroot dir root directory. Try using: mkarchroot %s/root base-devel" "$chrootdir"
 
-[[ -n ${install_pkgs[*]} ]] && install_packages
-
-prepare_chroot
-
-download_sources
-
-if arch-nspawn "$copydir" \
-	--bind-ro="$PWD:/startdir_host" \
-	--bind-ro="$SRCDEST:/srcdest_host" \
-	"${bindmounts_ro[@]}" "${bindmounts_rw[@]}" \
-	/chrootbuild
-then
-	move_products
-else
-	(( ret += 1 ))
-fi
-
-$temp_chroot && clean_temporary
-
-if (( ret != 0 )); then
-	if $temp_chroot; then
-		die "Build failed"
+	if [[ ${copy:0:1} = / ]]; then
+		copydir=$copy
 	else
-		die "Build failed, check %s/build" "$copydir"
+		copydir="$chrootdir/$copy"
 	fi
-else
-	true
-fi
+
+	# Pass all arguments after -- right to makepkg
+	makepkg_args+=("${@:$OPTIND}")
+
+	# See if -R or -e was passed to makepkg
+	for arg in "${makepkg_args[@]}"; do
+		case ${arg%%=*} in
+			--repackage|--noextract) keepbuilddir=true; break ;;
+			--repackage|--noextract) keepbuilddir=true; break ;;
+			--*) ;;
+			-*R*|-*e*) keepbuilddir=true; break ;;
+		esac
+	done
+
+	if [[ -n $SUDO_USER ]]; then
+		eval "USER_HOME=~$SUDO_USER"
+	else
+		USER_HOME=$HOME
+	fi
+
+	umask 0022
+
+	load_vars "${XDG_CONFIG_HOME:-$USER_HOME/.config}/pacman/makepkg.conf" || load_vars "$USER_HOME/.makepkg.conf"
+	load_vars /etc/makepkg.conf
+
+	# Use PKGBUILD directory if these don't exist
+	[[ -d $PKGDEST ]]    || PKGDEST=$PWD
+	[[ -d $SRCDEST ]]    || SRCDEST=$PWD
+	[[ -d $SRCPKGDEST ]] || SRCPKGDEST=$PWD
+	[[ -d $LOGDEST ]]    || LOGDEST=$PWD
+
+	# Lock the chroot we want to use. We'll keep this lock until we exit.
+	lock 9 "$copydir.lock" "Locking chroot copy [%s]" "$copy"
+
+	if [[ ! -d $copydir ]] || $clean_first; then
+		sync_chroot "$chrootdir/root" "$copydir" "$copy"
+	fi
+
+	$update_first && arch-nspawn "$copydir" \
+			"${bindmounts_ro[@]}" "${bindmounts_rw[@]}" \
+			pacman -Syu --noconfirm
+
+	if [[ -n ${install_pkgs[*]:-} ]]; then
+		install_packages "$copydir" "${install_pkgs[@]}"
+		ret=$?
+		# If there is no PKGBUILD we have done
+		[[ -f PKGBUILD ]] || return $ret
+	fi
+
+	if [[ "$(id -u "$makepkg_user")" == 0 ]]; then
+		error "Running makepkg as root is not allowed."
+		exit 1
+	fi
+
+	download_sources "$copydir" "$makepkg_user"
+
+	prepare_chroot "$copydir" "$USER_HOME" "$keepbuilddir"
+
+	if arch-nspawn "$copydir" \
+		--bind="$PWD:/startdir" \
+		--bind="$SRCDEST:/srcdest" \
+		"${bindmounts_ro[@]}" "${bindmounts_rw[@]}" \
+		/chrootbuild "${makepkg_args[@]}"
+	then
+		move_products "$copydir" "$src_owner"
+	else
+		(( ret += 1 ))
+	fi
+
+	$temp_chroot && delete_chroot "$copydir" "$copy"
+
+	if (( ret != 0 )); then
+		if $temp_chroot; then
+			die "Build failed"
+		else
+			die "Build failed, check %s/build" "$copydir"
+		fi
+	else
+		true
+	fi
+}
+
+main "$@"

makepkg-i686.conf

@@ -1,3 +1,6 @@
+#!/hint/bash
+# shellcheck disable=2034
+
 #
 # /etc/makepkg.conf
 #
@@ -19,6 +22,13 @@ DLAGENTS=('ftp::/usr/bin/curl -fC - --ftp-pasv --retry 3 --retry-delay 3 -o %o %
 # /usr/bin/lftpget -c
 # /usr/bin/wget
 
+#-- The package required by makepkg to download VCS sources
+#  Format: 'protocol::package'
+VCSCLIENTS=('bzr::bzr'
+            'git::git'
+            'hg::mercurial'
+            'svn::subversion')
+
 #########################################################################
 # ARCHITECTURE, COMPILE FLAGS
 #########################################################################
@@ -30,9 +40,9 @@ CHOST="i686-pc-linux-gnu"
 # -march (or -mcpu) builds exclusively for an architecture
 # -mtune optimizes for an architecture, but builds for whole processor family
 CPPFLAGS="-D_FORTIFY_SOURCE=2"
-CFLAGS="-march=i686 -mtune=generic -O2 -pipe -fstack-protector-strong --param=ssp-buffer-size=4"
-CXXFLAGS="-march=i686 -mtune=generic -O2 -pipe -fstack-protector-strong --param=ssp-buffer-size=4"
-LDFLAGS="-Wl,-O1,--sort-common,--as-needed,-z,relro"
+CFLAGS="-march=i686 -mtune=generic -O2 -pipe -fstack-protector-strong -fno-plt"
+CXXFLAGS="-march=i686 -mtune=generic -O2 -pipe -fstack-protector-strong -fno-plt"
+LDFLAGS="-Wl,-O1,--sort-common,--as-needed,-z,relro,-z,now"
 #-- Make Flags: change this for DistCC/SMP systems
 #MAKEFLAGS="-j2"
 #-- Debugging flags
@@ -43,17 +53,16 @@ DEBUG_CXXFLAGS="-g -fvar-tracking-assignments"
 # BUILD ENVIRONMENT
 #########################################################################
 #
-# Defaults: BUILDENV=(fakeroot !distcc color !ccache check !sign)
+# Defaults: BUILDENV=(!distcc color !ccache check !sign)
 #  A negated environment option will do the opposite of the comments below.
 #
-#-- fakeroot: Allow building packages as a non-root user
 #-- distcc:   Use the Distributed C/C++/ObjC compiler
 #-- color:    Colorize output messages
 #-- ccache:   Use ccache to cache compilation
 #-- check:    Run the check() function if present in the PKGBUILD
 #-- sign:     Generate PGP signature file
 #
-BUILDENV=(fakeroot !distcc color !ccache check !sign)
+BUILDENV=(!distcc color !ccache check !sign)
 #
 #-- If using DistCC, your MAKEFLAGS will also need modification. In addition,
 #-- specify a space-delimited list of hosts running in the DistCC cluster.
@@ -67,7 +76,7 @@ BUILDENV=(fakeroot !distcc color !ccache check !sign)
 #   These are default values for the options=() settings
 #########################################################################
 #
-# Default: OPTIONS=(strip docs !libtool !staticlibs emptydirs zipman purge !upx !debug)
+# Default: OPTIONS=(strip docs !libtool !staticlibs emptydirs zipman purge !optipng !upx !debug)
 #  A negated option will do the opposite of the comments below.
 #
 #-- strip:      Strip symbols from binaries/libraries
@@ -78,9 +87,10 @@ BUILDENV=(fakeroot !distcc color !ccache check !sign)
 #-- zipman:     Compress manual (man and info) pages in MAN_DIRS with gzip
 #-- purge:      Remove files specified by PURGE_TARGETS
 #-- upx:        Compress binary executable files using UPX
+#-- optipng:    Optimize PNG images with optipng
 #-- debug:      Add debugging flags as specified in DEBUG_* variables
 #
-OPTIONS=(strip docs !libtool !staticlibs emptydirs zipman purge !upx !debug)
+OPTIONS=(strip docs !libtool !staticlibs emptydirs zipman purge !optipng !upx !debug)
 
 #-- File integrity checks to use. Valid: md5, sha1, sha256, sha384, sha512
 INTEGRITY_CHECK=(md5)

makepkg-x86_64.conf

@@ -1,3 +1,6 @@
+#!/hint/bash
+# shellcheck disable=2034
+
 #
 # /etc/makepkg.conf
 #
@@ -19,20 +22,27 @@ DLAGENTS=('ftp::/usr/bin/curl -fC - --ftp-pasv --retry 3 --retry-delay 3 -o %o %
 # /usr/bin/lftpget -c
 # /usr/bin/wget
 
+#-- The package required by makepkg to download VCS sources
+#  Format: 'protocol::package'
+VCSCLIENTS=('bzr::bzr'
+            'git::git'
+            'hg::mercurial'
+            'svn::subversion')
+
 #########################################################################
 # ARCHITECTURE, COMPILE FLAGS
 #########################################################################
 #
 CARCH="x86_64"
-CHOST="x86_64-unknown-linux-gnu"
+CHOST="x86_64-pc-linux-gnu"
 
 #-- Compiler and Linker Flags
 # -march (or -mcpu) builds exclusively for an architecture
 # -mtune optimizes for an architecture, but builds for whole processor family
 CPPFLAGS="-D_FORTIFY_SOURCE=2"
-CFLAGS="-march=x86-64 -mtune=generic -O2 -pipe -fstack-protector-strong --param=ssp-buffer-size=4"
-CXXFLAGS="-march=x86-64 -mtune=generic -O2 -pipe -fstack-protector-strong --param=ssp-buffer-size=4"
-LDFLAGS="-Wl,-O1,--sort-common,--as-needed,-z,relro"
+CFLAGS="-march=x86-64 -mtune=generic -O2 -pipe -fstack-protector-strong -fno-plt"
+CXXFLAGS="-march=x86-64 -mtune=generic -O2 -pipe -fstack-protector-strong -fno-plt"
+LDFLAGS="-Wl,-O1,--sort-common,--as-needed,-z,relro,-z,now"
 #-- Make Flags: change this for DistCC/SMP systems
 #MAKEFLAGS="-j2"
 #-- Debugging flags
@@ -43,17 +53,16 @@ DEBUG_CXXFLAGS="-g -fvar-tracking-assignments"
 # BUILD ENVIRONMENT
 #########################################################################
 #
-# Defaults: BUILDENV=(fakeroot !distcc color !ccache check !sign)
+# Defaults: BUILDENV=(!distcc color !ccache check !sign)
 #  A negated environment option will do the opposite of the comments below.
 #
-#-- fakeroot: Allow building packages as a non-root user
 #-- distcc:   Use the Distributed C/C++/ObjC compiler
 #-- color:    Colorize output messages
 #-- ccache:   Use ccache to cache compilation
 #-- check:    Run the check() function if present in the PKGBUILD
 #-- sign:     Generate PGP signature file
 #
-BUILDENV=(fakeroot !distcc color !ccache check !sign)
+BUILDENV=(!distcc color !ccache check !sign)
 #
 #-- If using DistCC, your MAKEFLAGS will also need modification. In addition,
 #-- specify a space-delimited list of hosts running in the DistCC cluster.
@@ -67,7 +76,7 @@ BUILDENV=(fakeroot !distcc color !ccache check !sign)
 #   These are default values for the options=() settings
 #########################################################################
 #
-# Default: OPTIONS=(strip docs !libtool !staticlibs emptydirs zipman purge !upx !debug)
+# Default: OPTIONS=(strip docs !libtool !staticlibs emptydirs zipman purge !optipng !upx !debug)
 #  A negated option will do the opposite of the comments below.
 #
 #-- strip:      Strip symbols from binaries/libraries
@@ -78,9 +87,10 @@ BUILDENV=(fakeroot !distcc color !ccache check !sign)
 #-- zipman:     Compress manual (man and info) pages in MAN_DIRS with gzip
 #-- purge:      Remove files specified by PURGE_TARGETS
 #-- upx:        Compress binary executable files using UPX
+#-- optipng:    Optimize PNG images with optipng
 #-- debug:      Add debugging flags as specified in DEBUG_* variables
 #
-OPTIONS=(strip docs !libtool !staticlibs emptydirs zipman purge !upx !debug)
+OPTIONS=(strip docs !libtool !staticlibs emptydirs zipman purge !optipng !upx !debug)
 
 #-- File integrity checks to use. Valid: md5, sha1, sha256, sha384, sha512
 INTEGRITY_CHECK=(md5)

mkarchroot.in

@@ -1,4 +1,6 @@
 #!/bin/bash
+# License: GNU GPLv2
+#
 # This program is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
 # the Free Software Foundation; version 2 of the License.
@@ -9,43 +11,48 @@
 # GNU General Public License for more details.
 
 m4_include(lib/common.sh)
-
-CHROOT_VERSION='v3'
+m4_include(lib/archroot.sh)
 
 working_dir=''
 
+files=()
+
 usage() {
-	echo "Usage: ${0##*/} [options] working-dir [package-list | app]"
+	echo "Usage: ${0##*/} [options] working-dir package-list..."
 	echo ' options:'
 	echo '    -C <file>     Location of a pacman config file'
 	echo '    -M <file>     Location of a makepkg config file'
 	echo '    -c <dir>      Set pacman cache'
+	echo '    -f <file>     Copy file from the host to the chroot'
+	echo '    -s            Do not run setarch'
 	echo '    -h            This message'
 	exit 1
 }
 
-while getopts 'hC:M:c:' arg; do
+while getopts 'hC:M:c:f:s' arg; do
 	case "$arg" in
 		C) pac_conf="$OPTARG" ;;
 		M) makepkg_conf="$OPTARG" ;;
 		c) cache_dir="$OPTARG" ;;
+		f) files+=("$OPTARG") ;;
+		s) nosetarch=1 ;;
 		h|?) usage ;;
-		*) error "invalid argument '$arg'"; usage ;;
+		*) error "invalid argument '%s'" "$arg"; usage ;;
 	esac
 done
-shift $(($OPTIND - 1))
+shift $((OPTIND - 1))
 
 (( $# < 2 )) && die 'You must specify a directory and one or more packages.'
 
-check_root "$0" "$@"
+check_root
 
-working_dir="$(readlink -f $1)"
+working_dir="$(readlink -f "$1")"
 shift 1
 
 [[ -z $working_dir ]] && die 'Please specify a working directory.'
 
 if [[ -z $cache_dir ]]; then
-	cache_dirs=($(pacman -v $cache_conf 2>&1 | grep '^Cache Dirs:' | sed 's/Cache Dirs:\s*//g'))
+	cache_dirs=($(pacman -v "$cache_conf" 2>&1 | grep '^Cache Dirs:' | sed 's/Cache Dirs:\s*//g'))
 else
 	cache_dirs=(${cache_dir})
 fi
@@ -58,7 +65,7 @@ mkdir -p "$working_dir"
 
 lock 9 "${working_dir}.lock" "Locking chroot"
 
-if [[ $(stat -f -c %T "$working_dir") == btrfs ]]; then
+if is_btrfs "$working_dir"; then
 	rmdir "$working_dir"
 	if ! btrfs subvolume create "$working_dir"; then
 		die "Couldn't create subvolume for '%s'" "$working_dir"
@@ -66,14 +73,27 @@ if [[ $(stat -f -c %T "$working_dir") == btrfs ]]; then
 	chmod 0755 "$working_dir"
 fi
 
+for file in "${files[@]}"; do
+	mkdir -p "$(dirname "$working_dir$file")"
+	cp "$file" "$working_dir$file"
+done
+
+_env=()
+while read -r varname; do
+	_env+=("$varname=${!varname}")
+done < <(declare -x | sed -r 's/^declare -x ([^=]*)=.*/\1/' | grep -i '_proxy$')
+env -i "${_env[@]}" \
 pacstrap -GMcd ${pac_conf:+-C "$pac_conf"} "$working_dir" \
   "${cache_dirs[@]/#/--cachedir=}" "$@" || die 'Failed to install all packages'
 
 printf '%s.UTF-8 UTF-8\n' en_US de_DE > "$working_dir/etc/locale.gen"
-echo 'LANG=C' > "$working_dir/etc/locale.conf"
+echo 'LANG=en_US.UTF-8' > "$working_dir/etc/locale.conf"
 echo "$CHROOT_VERSION" > "$working_dir/.arch-chroot"
 
+systemd-machine-id-setup --root="$working_dir"
+
 exec arch-nspawn \
+	${nosetarch:+-s} \
 	${pac_conf:+-C "$pac_conf"} \
 	${makepkg_conf:+-M "$makepkg_conf"} \
 	${cache_dir:+-c "$cache_dir"} \

pacman-extra.conf

@@ -14,6 +14,7 @@
 #CacheDir    = /var/cache/pacman/pkg/
 #LogFile     = /var/log/pacman.log
 #GPGDir      = /etc/pacman.d/gnupg/
+#HookDir     = /etc/pacman.d/hooks/
 HoldPkg     = pacman glibc
 #XferCommand = /usr/bin/curl -C - -f %u > %o
 #XferCommand = /usr/bin/wget --passive-ftp -c -O %o %u

pacman-gnome-unstable.conf

@@ -14,6 +14,7 @@
 #CacheDir    = /var/cache/pacman/pkg/
 #LogFile     = /var/log/pacman.log
 #GPGDir      = /etc/pacman.d/gnupg/
+#HookDir     = /etc/pacman.d/hooks/
 HoldPkg     = pacman glibc
 #XferCommand = /usr/bin/curl -C - -f %u > %o
 #XferCommand = /usr/bin/wget --passive-ftp -c -O %o %u
@@ -72,6 +73,9 @@ LocalFileSigLevel = Optional
 [gnome-unstable]
 Include = /etc/pacman.d/mirrorlist
 
+[staging]
+Include = /etc/pacman.d/mirrorlist
+
 [testing]
 Include = /etc/pacman.d/mirrorlist
 
@@ -81,6 +85,9 @@ Include = /etc/pacman.d/mirrorlist
 [extra]
 Include = /etc/pacman.d/mirrorlist
 
+[community-staging]
+Include = /etc/pacman.d/mirrorlist
+
 [community-testing]
 Include = /etc/pacman.d/mirrorlist
 

pacman-kde-unstable.conf

@@ -14,6 +14,7 @@
 #CacheDir    = /var/cache/pacman/pkg/
 #LogFile     = /var/log/pacman.log
 #GPGDir      = /etc/pacman.d/gnupg/
+#HookDir     = /etc/pacman.d/hooks/
 HoldPkg     = pacman glibc
 #XferCommand = /usr/bin/curl -C - -f %u > %o
 #XferCommand = /usr/bin/wget --passive-ftp -c -O %o %u

pacman-multilib-staging.conf

@@ -14,6 +14,7 @@
 #CacheDir    = /var/cache/pacman/pkg/
 #LogFile     = /var/log/pacman.log
 #GPGDir      = /etc/pacman.d/gnupg/
+#HookDir     = /etc/pacman.d/hooks/
 HoldPkg     = pacman glibc
 #XferCommand = /usr/bin/curl -C - -f %u > %o
 #XferCommand = /usr/bin/wget --passive-ftp -c -O %o %u

pacman-multilib-testing.conf

@@ -14,6 +14,7 @@
 #CacheDir    = /var/cache/pacman/pkg/
 #LogFile     = /var/log/pacman.log
 #GPGDir      = /etc/pacman.d/gnupg/
+#HookDir     = /etc/pacman.d/hooks/
 HoldPkg     = pacman glibc
 #XferCommand = /usr/bin/curl -C - -f %u > %o
 #XferCommand = /usr/bin/wget --passive-ftp -c -O %o %u

pacman-multilib.conf

@@ -14,6 +14,7 @@
 #CacheDir    = /var/cache/pacman/pkg/
 #LogFile     = /var/log/pacman.log
 #GPGDir      = /etc/pacman.d/gnupg/
+#HookDir     = /etc/pacman.d/hooks/
 HoldPkg     = pacman glibc
 #XferCommand = /usr/bin/curl -C - -f %u > %o
 #XferCommand = /usr/bin/wget --passive-ftp -c -O %o %u

pacman-staging.conf

@@ -14,6 +14,7 @@
 #CacheDir    = /var/cache/pacman/pkg/
 #LogFile     = /var/log/pacman.log
 #GPGDir      = /etc/pacman.d/gnupg/
+#HookDir     = /etc/pacman.d/hooks/
 HoldPkg     = pacman glibc
 #XferCommand = /usr/bin/curl -C - -f %u > %o
 #XferCommand = /usr/bin/wget --passive-ftp -c -O %o %u

pacman-testing.conf

@@ -14,6 +14,7 @@
 #CacheDir    = /var/cache/pacman/pkg/
 #LogFile     = /var/log/pacman.log
 #GPGDir      = /etc/pacman.d/gnupg/
+#HookDir     = /etc/pacman.d/hooks/
 HoldPkg     = pacman glibc
 #XferCommand = /usr/bin/curl -C - -f %u > %o
 #XferCommand = /usr/bin/wget --passive-ftp -c -O %o %u

rebuildpkgs.in

@@ -1,4 +1,6 @@
 #!/bin/bash
+# License: Unspecified
+#
 # This script rebuilds a list of packages in order
 # and reports anything that fails
 # 
@@ -12,18 +14,28 @@
 m4_include(lib/common.sh)
 
 if (( $# < 1 )); then
-	echo "Usage: $(basename $0) <chrootdir> <packages to rebuild>"
-	echo "  example: $(basename $0) ~/chroot readline bash foo bar baz"
+	printf 'Usage: %s <chrootdir> <packages to rebuild>\n' "$(basename "$0")"
+	printf '  example: %s ~/chroot readline bash foo bar baz\n' "$(basename "$0")"
 	exit 1
 fi
 
 # Source makepkg.conf; fail if it is not found
 if [[ -r '/etc/makepkg.conf' ]]; then
+	# shellcheck source=makepkg-x86_64.conf
 	source '/etc/makepkg.conf'
 else
 	die '/etc/makepkg.conf not found!'
 fi
 
+# Source user-specific makepkg.conf overrides
+if [[ -r "${XDG_CONFIG_HOME:-$HOME/.config}/pacman/makepkg.conf" ]]; then
+	# shellcheck source=/dev/null
+	source "${XDG_CONFIG_HOME:-$HOME/.config}/pacman/makepkg.conf"
+elif [[ -r "$HOME/.makepkg.conf" ]]; then
+	# shellcheck source=/dev/null
+	source "$HOME/.makepkg.conf"
+fi
+
 bump_pkgrel() {
 	# Get the current pkgrel from SVN and update the working copy with it
 	# This prevents us from incrementing out of control :)
@@ -31,9 +43,9 @@ bump_pkgrel() {
 	oldrel=$(grep 'pkgrel=' $pbuild | cut -d= -f2)
 
 	#remove decimals
-	rel=$(echo $oldrel | cut -d. -f1)
+	rel=${oldrel%%.*}
 
-	newrel=$(($rel + 1))
+	newrel=$((rel + 1))
 
 	sed -i "s/pkgrel=$oldrel/pkgrel=$newrel/" PKGBUILD
 }
@@ -41,15 +53,16 @@ bump_pkgrel() {
 pkg_from_pkgbuild() {
 	# we want the sourcing to be done in a subshell so we don't pollute our current namespace
 	export CARCH PKGEXT
+	# shellcheck source=PKGBUILD.proto
 	(source PKGBUILD; echo "$pkgname-$pkgver-$pkgrel-$CARCH$PKGEXT")
 }
 
 chrootdir="$1"; shift
-pkgs="$@"
+pkgs=("$@")
 
-SVNPATH='svn+ssh://nymeria.archlinux.org/srv/repos/svn-packages/svn'
+SVNPATH='svn+ssh://repos.archlinux.org/srv/repos/svn-packages/svn'
 
-msg "Work will be done in $(pwd)/rebuilds"
+msg "Work will be done in %s" "$(pwd)/rebuilds"
 
 REBUILD_ROOT="$(pwd)/rebuilds"
 mkdir -p "$REBUILD_ROOT"
@@ -58,14 +71,14 @@ cd "$REBUILD_ROOT"
 /usr/bin/svn co -N $SVNPATH
 
 FAILED=""
-for pkg in $pkgs; do
+for pkg in "${pkgs[@]}"; do
 	cd "$REBUILD_ROOT/svn-packages"
 
-	msg2 "Building '$pkg'"
+	msg2 "Building '%s'" "$pkg"
 	/usr/bin/svn update "$pkg"
 	if [[ ! -d "$pkg/trunk" ]]; then
 		FAILED="$FAILED $pkg"
-		warning "$pkg does not exist in SVN"
+		warning "%s does not exist in SVN" "$pkg"
 		continue
 	fi
 	cd "$pkg/trunk/"
@@ -74,14 +87,14 @@ for pkg in $pkgs; do
 
 	if ! sudo makechrootpkg -u -d -r "$chrootdir" -- --noconfirm; then
 		FAILED="$FAILED $pkg"
-		error "$pkg Failed!"
+		error "%s Failed!" "$pkg"
 	else
 		pkgfile=$(pkg_from_pkgbuild)
 		if [[ -e $pkgfile ]]; then
-			msg2 "$pkg Complete"
+			msg2 "%s Complete" "$pkg"
 		else
 			FAILED="$FAILED $pkg"
-			error "$pkg Failed, no package built!"
+			error "%s Failed, no package built!" "$pkg"
 		fi
 	fi
 done
@@ -90,7 +103,7 @@ cd "$REBUILD_ROOT"
 if [[ -n $FAILED ]]; then
 	msg 'Packages failed:'
 	for pkg in $FAILED; do
-		msg2 "$pkg"
+		msg2 "%s" "$pkg"
 	done
 fi
 

zsh_completion.in

@@ -1,4 +1,5 @@
 #compdef archbuild archco arch-nspawn archrelease archrm commitpkg finddeps makechrootpkg mkarchroot rebuildpkgs extrapkg=commitpkg corepkg=commitpkg testingpkg=commitpkg stagingpkg=commitpkg communitypkg=commitpkg community-testingpkg=commitpkg community-stagingpkg=commitpkg multilibpkg=commitpkg multilib-testingpkg=commitpkg extra-i686-build=archbuild extra-x86_64-build=archbuild testing-i686-build=archbuild testing-x86_64-build=archbuild staging-i686-build=archbuild staging-x86_64-build=archbuild multilib-build=archbuild multilib-testing-build=archbuild multilib-staging-build=archbuild kde-unstable-i686-build=archbuild kde-unstable-x86_64-build=archbuild gnome-unstable-i686-build=archbuild gnome-unstable-x86_64-build=archbuild communityco=archco
+# License: Unspecified
 
 m4_include(lib/valid-tags.sh)