Add "git show-ref" builtin command

diff --git a/git-ls-remote.sh b/git-ls-remote.sh
index 2c9a588d21e4eaf6358148949ace2dc825798c55..2c0b52122f1c3ee7278912966b1584dadd8b5aea 100755 (executable)
--- a/git-ls-remote.sh
+++ b/git-ls-remote.sh
@@ -49,20 +49,28 @@ trap "rm -fr $tmp-*" 0 1 2 3 15
 tmpdir=$tmp-d
 
 case "$peek_repo" in
-http://* | https://* )
+http://* | https://* | ftp://* )
         if [ -n "$GIT_SSL_NO_VERIFY" ]; then
             curl_extra_args="-k"
         fi
-       curl -nsf $curl_extra_args "$peek_repo/info/refs" ||
+       curl -nsf $curl_extra_args --header "Pragma: no-cache" "$peek_repo/info/refs" ||
                echo "failed    slurping"
        ;;
 
 rsync://* )
-       mkdir $tmpdir
+       mkdir $tmpdir &&
+       rsync -rlq "$peek_repo/HEAD" $tmpdir &&
        rsync -rq "$peek_repo/refs" $tmpdir || {
                echo "failed    slurping"
                exit
        }
+       head=$(cat "$tmpdir/HEAD") &&
+       case "$head" in
+       ref:' '*)
+               head=$(expr "z$head" : 'zref: \(.*\)') &&
+               head=$(cat "$tmpdir/$head") || exit
+       esac &&
+       echo "$head     HEAD"
        (cd $tmpdir && find refs -type f) |
        while read path
        do