fix(license): add .gitignore to REUSE defaults

36 packages use this while 26 use *.pam and 21 use *.logrotate. Seems
anecdotally common enough to add this here.

src/lib/license/check.sh

@@ -94,19 +94,19 @@ pkgctl_license_check() {
 		pushd "${path}" >/dev/null
 
 		if [[ ! -f PKGBUILD ]]; then
-			msg_error "${BOLD}${path}:${ALL_OFF} no PKGBUILD found"
+			msg_error "${BOLD}${pkgbase}:${ALL_OFF} no PKGBUILD found"
 			return 1
 		fi
 
-		if [[ ! -f .SRCINFO ]]; then
-			msg_error "${BOLD}${path}:${ALL_OFF} no .SRCINFO found"
-			return 1
-		fi
+		# reset common PKGBUILD variables
+		unset pkgbase
 
-		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"
+		# shellcheck source=contrib/makepkg/PKGBUILD.proto
+		if ! . ./PKGBUILD; then
+			msg_error "${BOLD}${pkgbase}:${ALL_OFF} failed to source PKGBUILD"
 			return 1
 		fi
+		pkgbase=${pkgbase:-$pkgname}
 
 		if [[ ! -e LICENSE ]]; then
 			msg_error "${BOLD}${pkgbase}:${ALL_OFF} is missing the LICENSE file"

src/lib/license/setup.sh

@@ -188,6 +188,7 @@ path = [
     "README.md",
     "keys/**",
     ".SRCINFO",
+    ".gitignore",
     ".nvchecker.toml",
     "*.install",
     "*.sysusers",