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| author | Jan Steffens <jan.steffens@gmail.com> | 2011-03-13 15:19:20 +0100 |
|---|---|---|
| committer | Jan Steffens <jan.steffens@gmail.com> | 2011-03-22 19:47:48 +0100 |
| commit | 0af05a48abb1d35380f4f4259deb163eb3b7b174 (patch) | |
| tree | 6ded82b231c23421b76147e870f96d07b1385568 /makechrootpkg | |
| parent | 174ff59dba8c24f544e354cd43f3b68aea91d265 (diff) | |
| download | devtools-0af05a48abb1d35380f4f4259deb163eb3b7b174.tar.gz devtools-0af05a48abb1d35380f4f4259deb163eb3b7b174.tar.xz | |
Use Btrfs snapshots for chroot copies, when available
This is much faster than using Rsync to clone.
Rsync stays available when the chroots are not on a Btrfs.
Diffstat (limited to 'makechrootpkg')
| -rwxr-xr-x | makechrootpkg | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/makechrootpkg b/makechrootpkg index 1f6f20a..5bf492f 100755 --- a/makechrootpkg +++ b/makechrootpkg @@ -127,8 +127,18 @@ if [ ! -d "$copydir" -o "$clean_first" -eq "1" ]; then fi echo -n 'creating clean working copy...' - mkdir -p "$copydir" - rsync -a --delete -q -W -x "$chrootdir/root/" "$copydir" + 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 + else + use_rsync=true + fi + + if $use_rsync; then + mkdir -p "$copydir" + rsync -a --delete -q -W -x "$chrootdir/root/" "$copydir" + fi echo 'done' # Drop the read lock again |