chore(license): avoid sourcing PKGBUILD in check subcommand

We don't actually need any data from the package, except the pkgbase
which is exclusively used during logging. Simply grep the pkgbase name
and use the path during early code path issues.

Component: pkgctl license check

src/checkpkg.in

@@ -90,11 +90,7 @@ if [[ ${arch[0]} == 'any' ]]; then
 fi
 
 STARTDIR=$(pwd)
-if (( RMDIR )); then
-	# lib/common.sh sets up traps for cleanup, the following will override them
-	trap 'rm -rf "$TEMPDIR"; trap_abort' INT QUIT TERM HUP
-	trap 'rm -rf "$TEMPDIR"; trap_exit' EXIT
-fi
+(( RMDIR )) && trap 'rm -rf $TEMPDIR' EXIT INT TERM QUIT
 TEMPDIR=$(mktemp -d --tmpdir checkpkg-script.XXXX)
 
 for _pkgname in "${pkgname[@]}"; do

src/commitpkg.in

@@ -155,7 +155,7 @@ if (( ${#needsversioning[*]} )); then
 		if [[ ! -f "${file}" ]]; then
 			continue
 		fi
-		if ! git ls-files --error-unmatch "$file" >/dev/null; then
+		if ! git ls-files --error-unmatch "$file"; then
 			die "%s is not under version control" "$file"
 		fi
 	done

src/diffpkg.in

@@ -182,8 +182,8 @@ elif [[ -r "$HOME/.makepkg.conf" ]]; then
 fi
 
 STARTDIR=$(pwd)
-[[ -z ${WORKDIR:-} ]] && setup_workdir
-TMPDIR=$(mktemp -d --tmpdir="$WORKDIR" diffpkg-script.XXXXXXXX)
+trap 'rm -rf $TMPDIR' EXIT INT TERM QUIT
+TMPDIR=$(mktemp -d --tmpdir diffpkg-script.XXXXXXXX)
 export TMPDIR
 
 tar_list() {

src/export-pkgbuild-keys.in

@@ -50,8 +50,8 @@ if (( ${#validpgpkeys[@]} == 0 )); then
 	exit 0
 fi
 
-[[ -z ${WORKDIR:-} ]] && setup_workdir
-TEMPDIR=$(mktemp -d --tmpdir="$WORKDIR" export-pkgbuild-keys.XXXXXXXXXX)
+trap 'rm -rf $TEMPDIR' EXIT INT TERM QUIT
+TEMPDIR=$(mktemp -d --tmpdir export-pkgbuild-keys.XXXXXXXXXX)
 
 mkdir -p keys/pgp
 error=0

src/lib/license/check.sh

@@ -94,19 +94,19 @@ pkgctl_license_check() {
 		pushd "${path}" >/dev/null
 
 		if [[ ! -f PKGBUILD ]]; then
-			msg_error "${BOLD}${pkgbase}:${ALL_OFF} no PKGBUILD found"
+			msg_error "${BOLD}${path}:${ALL_OFF} no PKGBUILD found"
 			return 1
 		fi
 
-		# reset common PKGBUILD variables
-		unset pkgbase
-
-		# shellcheck source=contrib/makepkg/PKGBUILD.proto
-		if ! . ./PKGBUILD; then
-			msg_error "${BOLD}${pkgbase}:${ALL_OFF} failed to source PKGBUILD"
+		if [[ ! -f .SRCINFO ]]; then
+			msg_error "${BOLD}${path}:${ALL_OFF} no .SRCINFO found"
+			return 1
+		fi
+
+		if ! pkgbase=$(grep --max-count=1 --extended-regexp "pkgbase = (.+)" .SRCINFO | awk '{print $3}'); then
+			msg_error "${BOLD}${path}:${ALL_OFF} pkgbase not found in .SRCINFO"
 			return 1
 		fi
-		pkgbase=${pkgbase:-$pkgname}
 
 		if [[ ! -e LICENSE ]]; then
 			msg_error "${BOLD}${pkgbase}:${ALL_OFF} is missing the LICENSE file"

src/lib/license/setup.sh

@@ -191,9 +191,7 @@ path = [
     ".nvchecker.toml",
     "*.install",
     "*.sysusers",
-    "*sysusers.conf",
     "*.tmpfiles",
-    "*tmpfiles.conf",
     "*.logrotate",
     "*.pam",
     "*.service",

src/makerepropkg.in

@@ -242,8 +242,8 @@ for fname in "${installed[@]}"; do
     fi
 done
 
-[[ -z ${WORKDIR:-} ]] && setup_workdir
-TEMPDIR=$(mktemp -d --tmpdir="$WORKDIR" makerepropkg.XXXXXXXXXX)
+trap 'rm -rf $TEMPDIR' EXIT INT TERM QUIT
+TEMPDIR=$(mktemp -d --tmpdir makerepropkg.XXXXXXXXXX)
 
 makepkg_conf="${TEMPDIR}/makepkg.conf"
 # anything before buildtool support is pinned to the last none buildtool aware release