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Commit | Line | Data |
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ac4b0cff JH |
1 | #!/bin/sh |
2 | ||
e8cc80d0 JH |
3 | # git-ls-remote could be called from outside a git managed repository; |
4 | # this would fail in that case and would issue an error message. | |
5 | GIT_DIR=$(git-rev-parse --git-dir 2>/dev/null) || :; | |
ac4b0cff JH |
6 | |
7 | get_data_source () { | |
8 | case "$1" in | |
9 | */*) | |
efe9bf0f | 10 | # Not so fast. This could be the partial URL shorthand... |
f327dbce MW |
11 | token=$(expr "z$1" : 'z\([^/]*\)/') |
12 | remainder=$(expr "z$1" : 'z[^/]*/\(.*\)') | |
73136b2e JS |
13 | if test "$(git-repo-config --get "remote.$token.url")" |
14 | then | |
15 | echo config-partial | |
16 | elif test -f "$GIT_DIR/branches/$token" | |
ac4b0cff JH |
17 | then |
18 | echo branches-partial | |
19 | else | |
20 | echo '' | |
21 | fi | |
22 | ;; | |
23 | *) | |
73136b2e JS |
24 | if test "$(git-repo-config --get "remote.$1.url")" |
25 | then | |
26 | echo config | |
27 | elif test -f "$GIT_DIR/remotes/$1" | |
ac4b0cff JH |
28 | then |
29 | echo remotes | |
30 | elif test -f "$GIT_DIR/branches/$1" | |
31 | then | |
32 | echo branches | |
33 | else | |
34 | echo '' | |
35 | fi ;; | |
36 | esac | |
37 | } | |
38 | ||
39 | get_remote_url () { | |
40 | data_source=$(get_data_source "$1") | |
41 | case "$data_source" in | |
42 | '') | |
43 | echo "$1" ;; | |
73136b2e JS |
44 | config-partial) |
45 | token=$(expr "z$1" : 'z\([^/]*\)/') | |
46 | remainder=$(expr "z$1" : 'z[^/]*/\(.*\)') | |
47 | url=$(git-repo-config --get "remote.$token.url") | |
48 | echo "$url/$remainder" | |
49 | ;; | |
50 | config) | |
51 | git-repo-config --get "remote.$1.url" | |
52 | ;; | |
ac4b0cff JH |
53 | remotes) |
54 | sed -ne '/^URL: */{ | |
55 | s///p | |
56 | q | |
57 | }' "$GIT_DIR/remotes/$1" ;; | |
58 | branches) | |
59 | sed -e 's/#.*//' "$GIT_DIR/branches/$1" ;; | |
60 | branches-partial) | |
f327dbce MW |
61 | token=$(expr "z$1" : 'z\([^/]*\)/') |
62 | remainder=$(expr "z$1" : 'z[^/]*/\(.*\)') | |
ac4b0cff JH |
63 | url=$(sed -e 's/#.*//' "$GIT_DIR/branches/$token") |
64 | echo "$url/$remainder" | |
65 | ;; | |
66 | *) | |
67 | die "internal error: get-remote-url $1" ;; | |
68 | esac | |
69 | } | |
70 | ||
648ad18f SB |
71 | get_default_remote () { |
72 | curr_branch=$(git-symbolic-ref HEAD | sed -e 's|^refs/heads/||') | |
73 | origin=$(git-repo-config --get "branch.$curr_branch.remote") | |
74 | echo ${origin:-origin} | |
75 | } | |
76 | ||
ac4b0cff JH |
77 | get_remote_default_refs_for_push () { |
78 | data_source=$(get_data_source "$1") | |
79 | case "$data_source" in | |
73136b2e | 80 | '' | config-partial | branches | branches-partial) |
ac4b0cff | 81 | ;; # no default push mapping, just send matching refs. |
73136b2e JS |
82 | config) |
83 | git-repo-config --get-all "remote.$1.push" ;; | |
ac4b0cff JH |
84 | remotes) |
85 | sed -ne '/^Push: */{ | |
86 | s///p | |
87 | }' "$GIT_DIR/remotes/$1" ;; | |
88 | *) | |
89 | die "internal error: get-remote-default-ref-for-push $1" ;; | |
90 | esac | |
91 | } | |
92 | ||
5677882b JH |
93 | # Called from canon_refs_list_for_fetch -d "$remote", which |
94 | # is called from get_remote_default_refs_for_fetch to grok | |
95 | # refspecs that are retrieved from the configuration, but not | |
96 | # from get_remote_refs_for_fetch when it deals with refspecs | |
97 | # supplied on the command line. $ls_remote_result has the list | |
98 | # of refs available at remote. | |
99 | expand_refs_wildcard () { | |
100 | for ref | |
101 | do | |
d945d4be | 102 | lref=${ref#'+'} |
5677882b | 103 | # a non glob pattern is given back as-is. |
d945d4be | 104 | expr "z$lref" : 'zrefs/.*/\*:refs/.*/\*$' >/dev/null || { |
5677882b JH |
105 | echo "$ref" |
106 | continue | |
107 | } | |
d945d4be JH |
108 | |
109 | from=`expr "z$lref" : 'z\(refs/.*/\)\*:refs/.*/\*$'` | |
110 | to=`expr "z$lref" : 'zrefs/.*/\*:\(refs/.*/\)\*$'` | |
111 | local_force= | |
112 | test "z$lref" = "z$ref" || local_force='+' | |
5677882b | 113 | echo "$ls_remote_result" | |
0c7a97fa | 114 | sed -e '/\^{}$/d' | |
5677882b JH |
115 | ( |
116 | IFS=' ' | |
117 | while read sha1 name | |
118 | do | |
0c7a97fa | 119 | # ignore the ones that do not start with $from |
5677882b | 120 | mapped=${name#"$from"} |
0c7a97fa | 121 | test "z$name" = "z$mapped" && continue |
d945d4be | 122 | echo "${local_force}${name}:${to}${mapped}" |
5677882b JH |
123 | done |
124 | ) | |
125 | done | |
126 | } | |
127 | ||
05dd8e2e | 128 | # Subroutine to canonicalize remote:local notation. |
ac4b0cff | 129 | canon_refs_list_for_fetch () { |
5372806a SB |
130 | # If called from get_remote_default_refs_for_fetch |
131 | # leave the branches in branch.${curr_branch}.merge alone, | |
132 | # or the first one otherwise; add prefix . to the rest | |
05dd8e2e | 133 | # to prevent the secondary branches to be merged by default. |
5372806a | 134 | merge_branches= |
62b339a5 | 135 | curr_branch= |
5372806a SB |
136 | if test "$1" = "-d" |
137 | then | |
138 | shift ; remote="$1" ; shift | |
139 | if test "$remote" = "$(get_default_remote)" | |
140 | then | |
141 | curr_branch=$(git-symbolic-ref HEAD | \ | |
142 | sed -e 's|^refs/heads/||') | |
143 | merge_branches=$(git-repo-config \ | |
a71fb0a1 JH |
144 | --get-all "branch.${curr_branch}.merge") || |
145 | merge_branches=.this.would.never.match.any.ref. | |
5372806a | 146 | fi |
5677882b JH |
147 | set x $(expand_refs_wildcard "$@") |
148 | shift | |
5372806a | 149 | fi |
ac4b0cff JH |
150 | for ref |
151 | do | |
efe9bf0f JH |
152 | force= |
153 | case "$ref" in | |
154 | +*) | |
dfdcb558 | 155 | ref=$(expr "z$ref" : 'z+\(.*\)') |
efe9bf0f JH |
156 | force=+ |
157 | ;; | |
158 | esac | |
f327dbce MW |
159 | expr "z$ref" : 'z.*:' >/dev/null || ref="${ref}:" |
160 | remote=$(expr "z$ref" : 'z\([^:]*\):') | |
161 | local=$(expr "z$ref" : 'z[^:]*:\(.*\)') | |
5372806a SB |
162 | dot_prefix=. |
163 | if test -z "$merge_branches" | |
164 | then | |
165 | merge_branches=$remote | |
166 | dot_prefix= | |
167 | else | |
168 | for merge_branch in $merge_branches | |
169 | do | |
170 | [ "$remote" = "$merge_branch" ] && | |
171 | dot_prefix= && break | |
172 | done | |
173 | fi | |
ac4b0cff JH |
174 | case "$remote" in |
175 | '') remote=HEAD ;; | |
687b8be8 EW |
176 | refs/heads/* | refs/tags/* | refs/remotes/*) ;; |
177 | heads/* | tags/* | remotes/* ) remote="refs/$remote" ;; | |
ac4b0cff JH |
178 | *) remote="refs/heads/$remote" ;; |
179 | esac | |
180 | case "$local" in | |
181 | '') local= ;; | |
687b8be8 EW |
182 | refs/heads/* | refs/tags/* | refs/remotes/*) ;; |
183 | heads/* | tags/* | remotes/* ) local="refs/$local" ;; | |
ac4b0cff JH |
184 | *) local="refs/heads/$local" ;; |
185 | esac | |
d8a1deec | 186 | |
f327dbce | 187 | if local_ref_name=$(expr "z$local" : 'zrefs/\(.*\)') |
d8a1deec JH |
188 | then |
189 | git-check-ref-format "$local_ref_name" || | |
190 | die "* refusing to create funny ref '$local_ref_name' locally" | |
191 | fi | |
05dd8e2e | 192 | echo "${dot_prefix}${force}${remote}:${local}" |
ac4b0cff JH |
193 | done |
194 | } | |
195 | ||
196 | # Returns list of src: (no store), or src:dst (store) | |
197 | get_remote_default_refs_for_fetch () { | |
198 | data_source=$(get_data_source "$1") | |
199 | case "$data_source" in | |
73136b2e | 200 | '' | config-partial | branches-partial) |
ac4b0cff | 201 | echo "HEAD:" ;; |
73136b2e | 202 | config) |
5372806a | 203 | canon_refs_list_for_fetch -d "$1" \ |
73136b2e | 204 | $(git-repo-config --get-all "remote.$1.fetch") ;; |
ac4b0cff JH |
205 | branches) |
206 | remote_branch=$(sed -ne '/#/s/.*#//p' "$GIT_DIR/branches/$1") | |
207 | case "$remote_branch" in '') remote_branch=master ;; esac | |
208 | echo "refs/heads/${remote_branch}:refs/heads/$1" | |
209 | ;; | |
210 | remotes) | |
5372806a | 211 | canon_refs_list_for_fetch -d "$1" $(sed -ne '/^Pull: */{ |
ac4b0cff JH |
212 | s///p |
213 | }' "$GIT_DIR/remotes/$1") | |
214 | ;; | |
215 | *) | |
216 | die "internal error: get-remote-default-ref-for-push $1" ;; | |
217 | esac | |
218 | } | |
219 | ||
220 | get_remote_refs_for_push () { | |
221 | case "$#" in | |
222 | 0) die "internal error: get-remote-refs-for-push." ;; | |
223 | 1) get_remote_default_refs_for_push "$@" ;; | |
224 | *) shift; echo "$@" ;; | |
225 | esac | |
226 | } | |
227 | ||
228 | get_remote_refs_for_fetch () { | |
229 | case "$#" in | |
230 | 0) | |
231 | die "internal error: get-remote-refs-for-fetch." ;; | |
232 | 1) | |
233 | get_remote_default_refs_for_fetch "$@" ;; | |
234 | *) | |
235 | shift | |
236 | tag_just_seen= | |
237 | for ref | |
238 | do | |
239 | if test "$tag_just_seen" | |
240 | then | |
241 | echo "refs/tags/${ref}:refs/tags/${ref}" | |
242 | tag_just_seen= | |
243 | continue | |
244 | else | |
245 | case "$ref" in | |
246 | tag) | |
efe9bf0f | 247 | tag_just_seen=yes |
ac4b0cff JH |
248 | continue |
249 | ;; | |
250 | esac | |
251 | fi | |
efe9bf0f | 252 | canon_refs_list_for_fetch "$ref" |
ac4b0cff JH |
253 | done |
254 | ;; | |
255 | esac | |
256 | } | |
4447badc JH |
257 | |
258 | resolve_alternates () { | |
259 | # original URL (xxx.git) | |
f327dbce | 260 | top_=`expr "z$1" : 'z\([^:]*:/*[^/]*\)/'` |
4447badc JH |
261 | while read path |
262 | do | |
263 | case "$path" in | |
264 | \#* | '') | |
265 | continue ;; | |
266 | /*) | |
267 | echo "$top_$path/" ;; | |
268 | ../*) | |
269 | # relative -- ugly but seems to work. | |
270 | echo "$1/objects/$path/" ;; | |
271 | *) | |
272 | # exit code may not be caught by the reader. | |
273 | echo "bad alternate: $path" | |
274 | exit 1 ;; | |
275 | esac | |
276 | done | |
277 | } |