[arch-projects] [DEVTOOLS][PATCH 3/6] makechrootpkg: Properly detect filesystem type
Sébastien Luttringer
seblu at seblu.net
Fri Mar 1 23:21:10 EST 2013
Enable btrfs features only if the underlying filesystem is btrfs and not rely
on the presence of the btrfs tools.
Signed-off-by: Sébastien Luttringer <seblu at seblu.net>
---
makechrootpkg.in | 19 ++++++++++---------
1 file changed, 10 insertions(+), 9 deletions(-)
diff --git a/makechrootpkg.in b/makechrootpkg.in
index ed8ab88..c8b5f87 100644
--- a/makechrootpkg.in
+++ b/makechrootpkg.in
@@ -77,6 +77,9 @@ done
# Canonicalize chrootdir, getting rid of trailing /
chrootdir=$(readlink -e "$passeddir")
+# Detect chrootdir filesystem type
+chroottype=$(stat -f -c %T "$chrootdir")
+
if [[ ${copy:0:1} = / ]]; then
copydir=$copy
else
@@ -134,16 +137,14 @@ if [[ ! -d $copydir ]] || $clean_first; then
fi
stat_busy "Creating clean working copy [$copy]"
- use_rsync=false
- if type -P btrfs >/dev/null; then
- [[ -d $copydir ]] && btrfs subvolume delete "$copydir" &>/dev/null
- btrfs subvolume snapshot "$chrootdir/root" "$copydir" &>/dev/null ||
- use_rsync=true
+ if [[ "$chroottype" == btrfs ]]; then
+ if [[ -d $copydir ]]; then
+ btrfs subvolume delete "$copydir" >/dev/null ||
+ die "Unable to delete subvolume $copydir"
+ fi
+ btrfs subvolume snapshot "$chrootdir/root" "$copydir" >/dev/null ||
+ die "Unable to create subvolume $copydir"
else
- use_rsync=true
- fi
-
- if $use_rsync; then
mkdir -p "$copydir"
rsync -a --delete -q -W -x "$chrootdir/root/" "$copydir"
fi
--
Sébastien "Seblu" Luttringer
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