[pacman-dev] [PATCH 2/5] makepkg: sort package contents

[Andrew Gregory]

By passing a NUL-separated filelist, this also fixes a bug where files
that look like bsdtar options in the package root could break the
package ("-C" was particularly troublesome because bsdtar interprets it
as an option anywhere in the file list, even following "--").

Signed-off-by: Andrew Gregory <andrew.gregory.8 at gmail.com>
---
 scripts/makepkg.sh.in | 24 ++++++++++++------------
 1 file changed, 12 insertions(+), 12 deletions(-)

diff --git a/scripts/makepkg.sh.in b/scripts/makepkg.sh.in
index 2000451..3700307 100644
--- a/scripts/makepkg.sh.in
+++ b/scripts/makepkg.sh.in
@@ -686,6 +686,15 @@ write_buildinfo() {
 	write_kv_pair "installed" "${pkglist[@]}"
 }
 
+# build a sorted NUL-separated list of the full contents of the current
+# directory suitable for passing to `bsdtar --files-from`
+# database files are placed at the beginning of the package regardless of
+# sorting
+list_package_files() {
+	(find . -path './.*' \! -name '.'; find . \! -path './.*' \! -name '.' | LANG=C sort) |
+	sed -e 's|^\./||' | tr '\n' '\0'
+}
+
 create_package() {
 	(( NOARCHIVE )) && return
 
@@ -702,8 +711,6 @@ create_package() {
 	write_pkginfo > .PKGINFO
 	write_buildinfo > .BUILDINFO
 
-	local comp_files=('.PKGINFO' '.BUILDINFO')
-
 	# check for changelog/install files
 	for i in 'changelog/.CHANGELOG' 'install/.INSTALL'; do
 		IFS='/' read -r orig dest < <(printf '%s\n' "$i")
@@ -715,7 +722,6 @@ create_package() {
 				exit 1
 			fi
 			chmod 644 "$dest"
-			comp_files+=("$dest")
 		fi
 	done
 
@@ -727,15 +733,10 @@ create_package() {
 	[[ -f $pkg_file ]] && rm -f "$pkg_file"
 	[[ -f $pkg_file.sig ]] && rm -f "$pkg_file.sig"
 
-	# when fileglobbing, we want * in an empty directory to expand to
-	# the null string rather than itself
-	shopt -s nullglob
-
 	msg2 "$(gettext "Generating .MTREE file...")"
-	LANG=C bsdtar -czf .MTREE --format=mtree \
+	list_package_files | LANG=C bsdtar -cnzf .MTREE --format=mtree \
 		--options='!all,use-set,type,uid,gid,mode,time,size,md5,sha256,link' \
-		"${comp_files[@]}" *
-	comp_files+=(".MTREE")
+		--null --files-from - --exclude .MTREE
 
 	msg2 "$(gettext "Compressing package...")"
 	# TODO: Maybe this can be set globally for robustness
@@ -743,7 +744,7 @@ create_package() {
 	# bsdtar's gzip compression always saves the time stamp, making one
 	# archive created using the same command line distinct from another.
 	# Disable bsdtar compression and use gzip -n for now.
-	LANG=C bsdtar -cf - "${comp_files[@]}" * |
+	list_package_files | LANG=C bsdtar -cnf - --null --files-from - |
 	case "$PKGEXT" in
 		*tar.gz)  ${COMPRESSGZ[@]:-gzip -c -f -n} ;;
 		*tar.bz2) ${COMPRESSBZ2[@]:-bzip2 -c -f} ;;
@@ -756,7 +757,6 @@ create_package() {
 			"$PKGEXT"; cat ;;
 	esac > "${pkg_file}" || ret=$?
 
-	shopt -u nullglob
 	shopt -u -o pipefail
 
 	if (( ret )); then
-- 
2.10.2