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authorLinus Torvalds <torvalds@ppc970.osdl.org>2005-05-05 01:18:40 (GMT)
committerLinus Torvalds <torvalds@ppc970.osdl.org>2005-05-05 01:18:40 (GMT)
commitd0d0d0bd3c2c4591ffbc292d7e082e8ad8f2057f (patch)
treed44581630e7a2f095d96b33876f6e0c14ce76a5a /git-prune-script
parent4feb7a016ae0b237af5e667277fa632326a58eac (diff)
parent8a9d32b7e9f3aebd9c322c4613c4608224d09a60 (diff)
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Merge http://members.cox.net/junkio/git-jc.git/
Diffstat (limited to 'git-prune-script')
-rw-r--r--[-rwxr-xr-x]git-prune-script38
1 files changed, 35 insertions, 3 deletions
diff --git a/git-prune-script b/git-prune-script
index a24ba61..9ba89a5 100755..100644
--- a/git-prune-script
+++ b/git-prune-script
@@ -1,4 +1,36 @@
#!/bin/sh
-REFS=$(cat .git/refs/*/*)
-[ "$REFS" ] || exit 1
-git-fsck-cache --unreachable $REFS | grep unreachable | cut -d' ' -f3 | sed 's:^\(..\):.git/objects/\1/:' | xargs -r rm
+dryrun=
+while case "$#" in 0) break ;; esac
+do
+ case "$1" in
+ -n) dryrun=echo ;;
+ --) break ;;
+ -*) echo >&2 "usage: git-prune-script [ -n ] [ heads... ]"; exit 1 ;;
+ *) break ;;
+ esac
+ shift;
+done
+
+# Defaulting to include .git/refs/*/* may be debatable from the
+# purist POV but power users can always give explicit parameters
+# to the script anyway.
+
+case "$#" in
+0)
+ x_40='[0-9a-f][0-9a-f][0-9a-f][0-9a-f][0-9a-f]'
+ x_40="$x_40$x_40$x_40$x_40$x_40$x_40$x_40$x_40"
+ set x $(sed -ne "/^$x_40\$/p" .git/HEAD .git/refs/*/* 2>/dev/null)
+ shift ;;
+esac
+
+git-fsck-cache --cache --unreachable "$@" |
+sed -ne '/unreachable /{
+ s/unreachable [^ ][^ ]* //
+ s|\(..\)|\1/|p
+}' | {
+ case "$SHA1_FILE_DIRECTORY" in
+ '') cd .git/objects/ ;;
+ *) cd "$SHA1_FILE_DIRECTORY" ;;
+ esac || exit
+ xargs -r $dryrun rm -f
+}