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|
#!/bin/sh
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
: ${GIT_DIR=.git}
: ${GIT_OBJECT_DIRECTORY="${SHA1_FILE_DIRECTORY-"$GIT_DIR/objects"}"}
# Defaulting to include .git/refs/*/* may be debatable from the
# purist POV but power users can always give explicit parameters
# to the script anyway.
case "$#" 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" \
"$GIT_DIR"/HEAD "$GIT_DIR"/refs/*/* /dev/null 2>/dev/null)
shift ;;
esac
git-fsck-cache --cache --unreachable "$@" |
sed -ne '/unreachable /{
s/unreachable [^ ][^ ]* //
s|\(..\)|\1/|p
}' | {
cd "$GIT_OBJECT_DIRECTORY" || exit
xargs -r $dryrun rm -f
}
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