librechroot: clean up files when done

1 files changed, 21 insertions, 21 deletions

diff --git a/src/chroot-tools/librechroot b/src/chroot-tools/librechroot
index fda72d4..38d7362 100755
--- a/src/chroot-tools/librechroot
+++ b/src/chroot-tools/librechroot
@@ -28,6 +28,13 @@
 # This gives us the functions:
 #  - sync
 
+cleanup=(':');
+cleanup() {
+	for cmd in "${cleanup[@]}"; do
+		$cmd
+	done
+}
+
 cmd=${0##*/}
 usage() {
 	echo "Usage: $cmd [OPTIONS] "
@@ -111,40 +118,33 @@ main() {
 
 	########################################################################
 
+	trap cleanup EXIT
 	case "$mode" in
 		clean_repo)
-			rm -rf "${copydir}/repo"
-			mkdir "${copydir}/repo"
+			rm -rf "${copydir}/repo/*"
 			bsdtar -czf "${copydir}/repo/repo.db.tar.gz" -T /dev/null
 			ln -s "repo.db.tar.gz" "${copydir}/repo/repo.db"
 			;;
 		clean_pacman)
+			cleanup+=("rm -f '$copydir/clean' '$copydir/chrootexec'")
 			cp -a "$(which chcleanup)"  "${copydir}/clean"
-			echo '#!/bin/bash'        > "${copydir}/cleanstrap"
-			echo 'mkdir /build'      >> "${copydir}/cleanstrap"
-			echo 'cd /build; /clean' >> "${copydir}/cleanstrap"
-			chmod 755 "${copydir}/cleanstrap"
-			archroot "${archroot_args[@]}" "${copydir}" -r /cleanstrap
+			echo '#!/bin/bash'        > "${copydir}/chrootexec"
+			echo 'mkdir /build'      >> "${copydir}/chrootexec"
+			echo 'cd /build; /clean' >> "${copydir}/chrootexec"
+			chmod 755 "${copydir}/chrootexec"
+			archroot "${archroot_args[@]}" "${copydir}" -r /chrootexec
 			;;
 		install_file)
+			cleanup+=("rm '$copydir/${ARG##*/}'")
 			cp "$ARG" "$copydir/${ARG##*/}"
-			archroot "${archroot_args[@]}" "$copydir" -r "pacman -U /${ARG##*/} --noconfirm"
-			rm "$copydir/${ARG##*/}"
-			;;
-		install_pkg)
-			archroot "${archroot_args[@]}" "$copydir" -i $ARG
+			archroot "${archroot_args[@]}" "${copydir}" -r "pacman -U /${ARG##*/} --noconfirm"
 			;;
+		install_pkg) archroot "${archroot_args[@]}" "${copydir}" -i $ARG ;;
 		noop) :;;
-		run)
-			archroot "${archroot_args[@]}" "${copydir}" -r "$ARG"
-			;;
+		run)         archroot "${archroot_args[@]}" "${copydir}" -r "$ARG" ;;
 		sync) sync;;
-		update)
-			archroot "${archroot_args[@]}" "${copydir}" -u
-			;;
-		enter)
-			archroot "${archroot_args[@]}" "${copydir}" -r bash
-			;;
+		update)      archroot "${archroot_args[@]}" "${copydir}" -u ;;
+		enter)       archroot "${archroot_args[@]}" "${copydir}" -r bash ;;
 	esac
 }