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authorJan Alexander Steffens (heftig) <jan.steffens@gmail.com>2013-05-02 07:03:12 +0200
committerJan Alexander Steffens (heftig) <jan.steffens@gmail.com>2013-05-03 04:34:29 +0200
commita7a05deb37b3db6aa3606f488467f621c40ce32d (patch)
tree3091e3cdfc4abb0c73c9199d5c54b6fdfbe5f1d4 /mkarchroot.in
parent0e98bd8c485b2c55c3971823f99a13c41b1ed696 (diff)
downloaddevtools-a7a05deb37b3db6aa3606f488467f621c40ce32d.tar.xz
lib/common.sh: Introduce locking helper functions
Reduces code duplication. With makechrootpkg not calling mkarchroot anymore, the lock handover protocol is unneeded. arch-nspawn does not do any locking, so add protection to archbuild.
Diffstat (limited to 'mkarchroot.in')
-rw-r--r--mkarchroot.in18
1 files changed, 1 insertions, 17 deletions
diff --git a/mkarchroot.in b/mkarchroot.in
index 68db64c..970bbb9 100644
--- a/mkarchroot.in
+++ b/mkarchroot.in
@@ -49,29 +49,13 @@ else
cache_dirs=(${cache_dir})
fi
-# {{{ functions
-chroot_lock () {
- # Only reopen the FD if it wasn't handed to us
- if [[ $(readlink -f /dev/fd/9) != "${working_dir}.lock" ]]; then
- exec 9>"${working_dir}.lock"
- fi
-
- # Lock the chroot. Take note of the FD number.
- if ! flock -n 9; then
- stat_busy "Locking chroot"
- flock 9
- stat_done
- fi
-}
-# }}}
-
umask 0022
[[ -e $working_dir ]] && die "Working directory '$working_dir' already exists"
mkdir -p "$working_dir"
-chroot_lock
+lock 9 "${working_dir}.lock" "Locking chroot"
if [[ $(stat -f -c %T "$working_dir") == btrfs ]]; then
rmdir "$working_dir"