git-svn: minor cleanups, extra error-checking
[git] / git-ls-remote.sh
1 #!/bin/sh
2 #
3
4 usage () {
5     echo >&2 "usage: $0 [--heads] [--tags] [-u|--upload-pack <upload-pack>]"
6     echo >&2 "          <repository> <refs>..."
7     exit 1;
8 }
9
10 die () {
11     echo >&2 "$*"
12     exit 1
13 }
14
15 exec=
16 while case "$#" in 0) break;; esac
17 do
18   case "$1" in
19   -h|--h|--he|--hea|--head|--heads)
20   heads=heads; shift ;;
21   -t|--t|--ta|--tag|--tags)
22   tags=tags; shift ;;
23   -u|--u|--up|--upl|--uploa|--upload|--upload-|--upload-p|--upload-pa|\
24   --upload-pac|--upload-pack)
25         shift
26         exec="--exec=$1"
27         shift;;
28   --)
29   shift; break ;;
30   -*)
31   usage ;;
32   *)
33   break ;;
34   esac
35 done
36
37 case "$#" in 0) usage ;; esac
38
39 case ",$heads,$tags," in
40 ,,,) heads=heads tags=tags other=other ;;
41 esac
42
43 . git-parse-remote
44 peek_repo="$(get_remote_url "$@")"
45 shift
46
47 tmp=.ls-remote-$$
48 trap "rm -fr $tmp-*" 0 1 2 3 15
49 tmpdir=$tmp-d
50
51 case "$peek_repo" in
52 http://* | https://* )
53         if [ -n "$GIT_SSL_NO_VERIFY" ]; then
54             curl_extra_args="-k"
55         fi
56         curl -nsf $curl_extra_args --header "Pragma: no-cache" "$peek_repo/info/refs" ||
57                 echo "failed    slurping"
58         ;;
59
60 rsync://* )
61         mkdir $tmpdir &&
62         rsync -rlq "$peek_repo/HEAD" $tmpdir &&
63         rsync -rq "$peek_repo/refs" $tmpdir || {
64                 echo "failed    slurping"
65                 exit
66         }
67         head=$(cat "$tmpdir/HEAD") &&
68         case "$head" in
69         ref:' '*)
70                 head=$(expr "z$head" : 'zref: \(.*\)') &&
71                 head=$(cat "$tmpdir/$head") || exit
72         esac &&
73         echo "$head     HEAD"
74         (cd $tmpdir && find refs -type f) |
75         while read path
76         do
77                 cat "$tmpdir/$path" | tr -d '\012'
78                 echo "  $path"
79         done &&
80         rm -fr $tmpdir
81         ;;
82
83 * )
84         git-peek-remote $exec "$peek_repo" ||
85                 echo "failed    slurping"
86         ;;
87 esac |
88 sort -t '       ' -k 2 |
89 while read sha1 path
90 do
91         case "$sha1" in
92         failed)
93                 die "Failed to find remote refs"
94         esac
95         case "$path" in
96         refs/heads/*)
97                 group=heads ;;
98         refs/tags/*)
99                 group=tags ;;
100         *)
101                 group=other ;;
102         esac
103         case ",$heads,$tags,$other," in
104         *,$group,*)
105                 ;;
106         *)
107                 continue;;
108         esac
109         case "$#" in
110         0)
111                 match=yes ;;
112         *)
113                 match=no
114                 for pat
115                 do
116                         case "/$path" in
117                         */$pat )
118                                 match=yes
119                                 break ;;
120                         esac
121                 done
122         esac
123         case "$match" in
124         no)
125                 continue ;;
126         esac
127         echo "$sha1     $path"
128 done