git/git-ls-remote.sh
Nick Hengeveld 7fa8ddd6e2 git-ls-remote: send no-cache header when fetching info/refs
Proxies should not cache this file as it can cause a client to end up with
a stale version, as reported here:

http://marc.theaimsgroup.com/?l=git&m=114407944125389

Signed-off-by: Nick Hengeveld <nickh@reactrix.com>
Signed-off-by: Junio C Hamano <junkio@cox.net>
2006-04-04 14:36:22 -07:00

121 lines
1.8 KiB
Bash
Executable File

#!/bin/sh
#
usage () {
echo >&2 "usage: $0 [--heads] [--tags] [-u|--upload-pack <upload-pack>]"
echo >&2 " <repository> <refs>..."
exit 1;
}
die () {
echo >&2 "$*"
exit 1
}
exec=
while case "$#" in 0) break;; esac
do
case "$1" in
-h|--h|--he|--hea|--head|--heads)
heads=heads; shift ;;
-t|--t|--ta|--tag|--tags)
tags=tags; shift ;;
-u|--u|--up|--upl|--uploa|--upload|--upload-|--upload-p|--upload-pa|\
--upload-pac|--upload-pack)
shift
exec="--exec=$1"
shift;;
--)
shift; break ;;
-*)
usage ;;
*)
break ;;
esac
done
case "$#" in 0) usage ;; esac
case ",$heads,$tags," in
,,,) heads=heads tags=tags other=other ;;
esac
. git-parse-remote
peek_repo="$(get_remote_url "$@")"
shift
tmp=.ls-remote-$$
trap "rm -fr $tmp-*" 0 1 2 3 15
tmpdir=$tmp-d
case "$peek_repo" in
http://* | https://* )
if [ -n "$GIT_SSL_NO_VERIFY" ]; then
curl_extra_args="-k"
fi
curl -nsf $curl_extra_args --header "Pragma: no-cache" "$peek_repo/info/refs" ||
echo "failed slurping"
;;
rsync://* )
mkdir $tmpdir
rsync -rq "$peek_repo/refs" $tmpdir || {
echo "failed slurping"
exit
}
(cd $tmpdir && find refs -type f) |
while read path
do
cat "$tmpdir/$path" | tr -d '\012'
echo " $path"
done &&
rm -fr $tmpdir
;;
* )
git-peek-remote $exec "$peek_repo" ||
echo "failed slurping"
;;
esac |
sort -t ' ' -k 2 |
while read sha1 path
do
case "$sha1" in
failed)
die "Failed to find remote refs"
esac
case "$path" in
refs/heads/*)
group=heads ;;
refs/tags/*)
group=tags ;;
*)
group=other ;;
esac
case ",$heads,$tags,$other," in
*,$group,*)
;;
*)
continue;;
esac
case "$#" in
0)
match=yes ;;
*)
match=no
for pat
do
case "/$path" in
*/$pat )
match=yes
break ;;
esac
done
esac
case "$match" in
no)
continue ;;
esac
echo "$sha1 $path"
done