1#!/bin/sh
2
3. git-sh-setup-script || die "Not a git archive"
4
5get_data_source () {
6 case "$1" in
7 */*)
8 # Not so fast. This could be the partial URL shorthand...
9 token=$(expr "$1" : '\([^/]*\)/')
10 remainder=$(expr "$1" : '[^/]*/\(.*\)')
11 if test -f "$GIT_DIR/branches/$token"
12 then
13 echo branches-partial
14 else
15 echo ''
16 fi
17 ;;
18 *)
19 if test -f "$GIT_DIR/remotes/$1"
20 then
21 echo remotes
22 elif test -f "$GIT_DIR/branches/$1"
23 then
24 echo branches
25 else
26 echo ''
27 fi ;;
28 esac
29}
30
31get_remote_url () {
32 data_source=$(get_data_source "$1")
33 case "$data_source" in
34 '')
35 echo "$1" ;;
36 remotes)
37 sed -ne '/^URL: */{
38 s///p
39 q
40 }' "$GIT_DIR/remotes/$1" ;;
41 branches)
42 sed -e 's/#.*//' "$GIT_DIR/branches/$1" ;;
43 branches-partial)
44 token=$(expr "$1" : '\([^/]*\)/')
45 remainder=$(expr "$1" : '[^/]*/\(.*\)')
46 url=$(sed -e 's/#.*//' "$GIT_DIR/branches/$token")
47 echo "$url/$remainder"
48 ;;
49 *)
50 die "internal error: get-remote-url $1" ;;
51 esac
52}
53
54get_remote_default_refs_for_push () {
55 data_source=$(get_data_source "$1")
56 case "$data_source" in
57 '' | branches | branches-partial)
58 ;; # no default push mapping, just send matching refs.
59 remotes)
60 sed -ne '/^Push: */{
61 s///p
62 }' "$GIT_DIR/remotes/$1" ;;
63 *)
64 die "internal error: get-remote-default-ref-for-push $1" ;;
65 esac
66}
67
68# Subroutine to canonicalize remote:local notation
69canon_refs_list_for_fetch () {
70 for ref
71 do
72 force=
73 case "$ref" in
74 +*)
75 ref=$(expr "$ref" : '\+\(.*\)')
76 force=+
77 ;;
78 esac
79 expr "$ref" : '.*:' >/dev/null || ref="${ref}:"
80 remote=$(expr "$ref" : '\([^:]*\):')
81 local=$(expr "$ref" : '[^:]*:\(.*\)')
82 case "$remote" in
83 '') remote=HEAD ;;
84 *) remote="refs/heads/$remote" ;;
85 esac
86 case "$local" in
87 '') local= ;;
88 *) local="refs/heads/$local" ;;
89 esac
90 echo "${force}${remote}:${local}"
91 done
92}
93
94# Returns list of src: (no store), or src:dst (store)
95get_remote_default_refs_for_fetch () {
96 data_source=$(get_data_source "$1")
97 case "$data_source" in
98 '' | branches-partial)
99 echo "HEAD:" ;;
100 branches)
101 remote_branch=$(sed -ne '/#/s/.*#//p' "$GIT_DIR/branches/$1")
102 case "$remote_branch" in '') remote_branch=master ;; esac
103 echo "refs/heads/${remote_branch}:refs/heads/$1"
104 ;;
105 remotes)
106 canon_refs_list_for_fetch $(sed -ne '/^Pull: */{
107 s///p
108 }' "$GIT_DIR/remotes/$1")
109 ;;
110 *)
111 die "internal error: get-remote-default-ref-for-push $1" ;;
112 esac
113}
114
115get_remote_refs_for_push () {
116 case "$#" in
117 0) die "internal error: get-remote-refs-for-push." ;;
118 1) get_remote_default_refs_for_push "$@" ;;
119 *) shift; echo "$@" ;;
120 esac
121}
122
123get_remote_refs_for_fetch () {
124 case "$#" in
125 0)
126 die "internal error: get-remote-refs-for-fetch." ;;
127 1)
128 get_remote_default_refs_for_fetch "$@" ;;
129 *)
130 shift
131 tag_just_seen=
132 for ref
133 do
134 if test "$tag_just_seen"
135 then
136 echo "refs/tags/${ref}:refs/tags/${ref}"
137 tag_just_seen=
138 continue
139 else
140 case "$ref" in
141 tag)
142 tag_just_seen=yes
143 continue
144 ;;
145 esac
146 fi
147 canon_refs_list_for_fetch "$ref"
148 done
149 ;;
150 esac
151}