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Commit | Line | Data |
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7ef76925 LT |
1 | #!/bin/sh |
2 | # | |
87358b7a FK |
3 | |
4 | USAGE='<fetch-options> <repository> <refspec>...' | |
4da90285 | 5 | SUBDIRECTORY_OK=Yes |
ae2b0f15 | 6 | . git-sh-setup |
f9474132 | 7 | set_reflog_action "fetch $*" |
514c09fd | 8 | cd_to_toplevel ;# probably unnecessary... |
f9474132 | 9 | |
215a7ad1 | 10 | . git-parse-remote |
853a3697 JH |
11 | _x40='[0-9a-f][0-9a-f][0-9a-f][0-9a-f][0-9a-f]' |
12 | _x40="$_x40$_x40$_x40$_x40$_x40$_x40$_x40$_x40" | |
13 | ||
221e743c JH |
14 | LF=' |
15 | ' | |
16 | IFS="$LF" | |
17 | ||
03febf99 | 18 | no_tags= |
ed1aadf1 | 19 | tags= |
853a3697 | 20 | append= |
ae2da406 | 21 | force= |
583122cd | 22 | verbose= |
b10ac50f | 23 | update_head_ok= |
2c620a1a | 24 | exec= |
920ccbfc | 25 | keep= |
f53514bc | 26 | shallow_depth= |
83a5ad61 JS |
27 | no_progress= |
28 | test -t 1 || no_progress=--no-progress | |
a858c006 | 29 | quiet= |
ae2da406 JH |
30 | while case "$#" in 0) break ;; esac |
31 | do | |
32 | case "$1" in | |
33 | -a|--a|--ap|--app|--appe|--appen|--append) | |
34 | append=t | |
ae2da406 | 35 | ;; |
2796a9de JH |
36 | --upl|--uplo|--uploa|--upload|--upload-|--upload-p|\ |
37 | --upload-pa|--upload-pac|--upload-pack) | |
2c620a1a | 38 | shift |
ae1dffcb JH |
39 | exec="--upload-pack=$1" |
40 | ;; | |
41 | --upl=*|--uplo=*|--uploa=*|--upload=*|\ | |
42 | --upload-=*|--upload-p=*|--upload-pa=*|--upload-pac=*|--upload-pack=*) | |
4a91a1f3 | 43 | exec=--upload-pack=$(expr "z$1" : 'z-[^=]*=\(.*\)') |
ae1dffcb | 44 | shift |
2c620a1a | 45 | ;; |
ae2da406 JH |
46 | -f|--f|--fo|--for|--forc|--force) |
47 | force=t | |
b10ac50f | 48 | ;; |
ed1aadf1 LT |
49 | -t|--t|--ta|--tag|--tags) |
50 | tags=t | |
51 | ;; | |
03febf99 JH |
52 | -n|--n|--no|--no-|--no-t|--no-ta|--no-tag|--no-tags) |
53 | no_tags=t | |
54 | ;; | |
b10ac50f JH |
55 | -u|--u|--up|--upd|--upda|--updat|--update|--update-|--update-h|\ |
56 | --update-he|--update-hea|--update-head|--update-head-|\ | |
57 | --update-head-o|--update-head-ok) | |
58 | update_head_ok=t | |
ae2da406 | 59 | ;; |
a858c006 JH |
60 | -q|--q|--qu|--qui|--quie|--quiet) |
61 | quiet=--quiet | |
62 | ;; | |
583122cd | 63 | -v|--verbose) |
684f6742 | 64 | verbose="$verbose"Yes |
583122cd | 65 | ;; |
0f76f526 | 66 | -k|--k|--ke|--kee|--keep) |
576162a4 | 67 | keep='-k -k' |
0f76f526 | 68 | ;; |
f53514bc JS |
69 | --depth=*) |
70 | shallow_depth="--depth=`expr "z$1" : 'z-[^=]*=\(.*\)'`" | |
71 | ;; | |
72 | --depth) | |
73 | shift | |
74 | shallow_depth="--depth=$1" | |
75 | ;; | |
87358b7a FK |
76 | -*) |
77 | usage | |
78 | ;; | |
ae2da406 JH |
79 | *) |
80 | break | |
81 | ;; | |
82 | esac | |
b10ac50f | 83 | shift |
ae2da406 JH |
84 | done |
85 | ||
853a3697 JH |
86 | case "$#" in |
87 | 0) | |
648ad18f SB |
88 | origin=$(get_default_remote) |
89 | test -n "$(get_remote_url ${origin})" || | |
90 | die "Where do you want to fetch from today?" | |
91 | set x $origin ; shift ;; | |
853a3697 | 92 | esac |
ae2da406 | 93 | |
5dee29ac UKK |
94 | if test -z "$exec" |
95 | then | |
96 | # No command line override and we have configuration for the remote. | |
97 | exec="--upload-pack=$(get_uploadpack $1)" | |
98 | fi | |
99 | ||
853a3697 JH |
100 | remote_nick="$1" |
101 | remote=$(get_remote_url "$@") | |
102 | refs= | |
103 | rref= | |
104 | rsync_slurped_objects= | |
105 | ||
106 | if test "" = "$append" | |
107 | then | |
df34297a | 108 | : >"$GIT_DIR/FETCH_HEAD" |
853a3697 JH |
109 | fi |
110 | ||
28b8e61f | 111 | # Global that is reused later |
ae1dffcb | 112 | ls_remote_result=$(git ls-remote $exec "$remote") || |
b3d98993 | 113 | die "Cannot get the repository state from $remote" |
28b8e61f | 114 | |
853a3697 | 115 | append_fetch_head () { |
d4289fff | 116 | flags= |
08727ea8 SB |
117 | test -n "$verbose" && flags="$flags$LF-v" |
118 | test -n "$force$single_force" && flags="$flags$LF-f" | |
d4289fff | 119 | GIT_REFLOG_ACTION="$GIT_REFLOG_ACTION" \ |
fee7c2c7 | 120 | git-fetch--tool $flags append-fetch-head "$@" |
853a3697 JH |
121 | } |
122 | ||
4b441f47 JH |
123 | # updating the current HEAD with git-fetch in a bare |
124 | # repository is always fine. | |
125 | if test -z "$update_head_ok" && test $(is_bare_repository) = false | |
126 | then | |
bf7960eb | 127 | orig_head=$(git-rev-parse --verify HEAD 2>/dev/null) |
4b441f47 | 128 | fi |
b10ac50f | 129 | |
24424fc2 JH |
130 | # Allow --notags from remote.$1.tagopt |
131 | case "$tags$no_tags" in | |
132 | '') | |
133 | case "$(git-config --get "remote.$1.tagopt")" in | |
134 | --no-tags) | |
135 | no_tags=t ;; | |
136 | esac | |
137 | esac | |
138 | ||
ed1aadf1 LT |
139 | # If --tags (and later --heads or --all) is specified, then we are |
140 | # not talking about defaults stored in Pull: line of remotes or | |
141 | # branches file, and just fetch those and refspecs explicitly given. | |
142 | # Otherwise we do what we always did. | |
143 | ||
144 | reflist=$(get_remote_refs_for_fetch "$@") | |
145 | if test "$tags" | |
146 | then | |
ed9f7c95 | 147 | taglist=`IFS=' ' && |
28b8e61f | 148 | echo "$ls_remote_result" | |
85b1f988 | 149 | git-show-ref --exclude-existing=refs/tags/ | |
81214e4d JH |
150 | while read sha1 name |
151 | do | |
85b1f988 | 152 | echo ".${name}:${name}" |
57a39690 | 153 | done` || exit |
ed1aadf1 LT |
154 | if test "$#" -gt 1 |
155 | then | |
156 | # remote URL plus explicit refspecs; we need to merge them. | |
221e743c | 157 | reflist="$reflist$LF$taglist" |
ed1aadf1 LT |
158 | else |
159 | # No explicit refspecs; fetch tags only. | |
160 | reflist=$taglist | |
161 | fi | |
162 | fi | |
163 | ||
9debc324 | 164 | fetch_all_at_once () { |
d1e0ef6c | 165 | |
617669da | 166 | eval=$(echo "$1" | git-fetch--tool parse-reflist "-") |
d1e0ef6c | 167 | eval "$eval" |
b74e8cbd JH |
168 | |
169 | ( : subshell because we muck with IFS | |
170 | IFS=" $LF" | |
171 | ( | |
9debc324 PB |
172 | if test "$remote" = . ; then |
173 | git-show-ref $rref || echo failed "$remote" | |
174 | elif test -f "$remote" ; then | |
c1f5086e JH |
175 | test -n "$shallow_depth" && |
176 | die "shallow clone with bundle is not supported" | |
177 | git-bundle unbundle "$remote" $rref || | |
178 | echo failed "$remote" | |
179 | else | |
e3c6f240 JH |
180 | if test -d "$remote" && |
181 | ||
182 | # The remote might be our alternate. With | |
183 | # this optimization we will bypass fetch-pack | |
184 | # altogether, which means we cannot be doing | |
185 | # the shallow stuff at all. | |
186 | test ! -f "$GIT_DIR/shallow" && | |
187 | test -z "$shallow_depth" && | |
188 | ||
189 | # See if all of what we are going to fetch are | |
190 | # connected to our repository's tips, in which | |
191 | # case we do not have to do any fetch. | |
afb5f39e OH |
192 | theirs=$(echo "$ls_remote_result" | \ |
193 | git-fetch--tool -s pick-rref "$rref" "-") && | |
e3c6f240 JH |
194 | |
195 | # This will barf when $theirs reach an object that | |
196 | # we do not have in our repository. Otherwise, | |
197 | # we already have everything the fetch would bring in. | |
198 | git-rev-list --objects $theirs --not --all \ | |
199 | >/dev/null 2>/dev/null | |
200 | then | |
afb5f39e OH |
201 | echo "$ls_remote_result" | \ |
202 | git-fetch--tool pick-rref "$rref" "-" | |
e3c6f240 | 203 | else |
684f6742 AR |
204 | flags= |
205 | case $verbose in | |
206 | YesYes*) | |
207 | flags="-v" | |
208 | ;; | |
209 | esac | |
e3c6f240 | 210 | git-fetch-pack --thin $exec $keep $shallow_depth \ |
684f6742 | 211 | $quiet $no_progress $flags "$remote" $rref || |
e3c6f240 JH |
212 | echo failed "$remote" |
213 | fi | |
c1f5086e | 214 | fi |
b74e8cbd JH |
215 | ) | |
216 | ( | |
fbe2687e JH |
217 | flags= |
218 | test -n "$verbose" && flags="$flags -v" | |
219 | test -n "$force" && flags="$flags -f" | |
220 | GIT_REFLOG_ACTION="$GIT_REFLOG_ACTION" \ | |
fee7c2c7 JH |
221 | git-fetch--tool $flags native-store \ |
222 | "$remote" "$remote_nick" "$refs" | |
b74e8cbd JH |
223 | ) |
224 | ) || exit | |
225 | ||
226 | } | |
227 | ||
9debc324 | 228 | fetch_per_ref () { |
03febf99 JH |
229 | reflist="$1" |
230 | refs= | |
4839bd8a | 231 | rref= |
f170e4b3 | 232 | |
03febf99 JH |
233 | for ref in $reflist |
234 | do | |
235 | refs="$refs$LF$ref" | |
f170e4b3 | 236 | |
03febf99 JH |
237 | # These are relative path from $GIT_DIR, typically starting at refs/ |
238 | # but may be HEAD | |
f327dbce | 239 | if expr "z$ref" : 'z\.' >/dev/null |
03febf99 JH |
240 | then |
241 | not_for_merge=t | |
f327dbce | 242 | ref=$(expr "z$ref" : 'z\.\(.*\)') |
03febf99 JH |
243 | else |
244 | not_for_merge= | |
245 | fi | |
dfdcb558 | 246 | if expr "z$ref" : 'z+' >/dev/null |
03febf99 JH |
247 | then |
248 | single_force=t | |
dfdcb558 | 249 | ref=$(expr "z$ref" : 'z+\(.*\)') |
03febf99 JH |
250 | else |
251 | single_force= | |
252 | fi | |
f327dbce MW |
253 | remote_name=$(expr "z$ref" : 'z\([^:]*\):') |
254 | local_name=$(expr "z$ref" : 'z[^:]*:\(.*\)') | |
853a3697 | 255 | |
03febf99 | 256 | rref="$rref$LF$remote_name" |
4447badc | 257 | |
03febf99 JH |
258 | # There are transports that can fetch only one head at a time... |
259 | case "$remote" in | |
38529e28 | 260 | http://* | https://* | ftp://*) |
f53514bc JS |
261 | test -n "$shallow_depth" && |
262 | die "shallow clone with http not supported" | |
ddaf7314 | 263 | proto=`expr "$remote" : '\([^:]*\):'` |
03febf99 JH |
264 | if [ -n "$GIT_SSL_NO_VERIFY" ]; then |
265 | curl_extra_args="-k" | |
266 | fi | |
3ea099d4 | 267 | if [ -n "$GIT_CURL_FTP_NO_EPSV" -o \ |
e0d10e1c | 268 | "`git-config --bool http.noEPSV`" = true ]; then |
3ea099d4 SK |
269 | noepsv_opt="--disable-epsv" |
270 | fi | |
2986c022 JH |
271 | |
272 | # Find $remote_name from ls-remote output. | |
afb5f39e OH |
273 | head=$(echo "$ls_remote_result" | \ |
274 | git-fetch--tool -s pick-rref "$remote_name" "-") | |
f327dbce | 275 | expr "z$head" : "z$_x40\$" >/dev/null || |
2986c022 | 276 | die "No such ref $remote_name at $remote" |
ddaf7314 | 277 | echo >&2 "Fetching $remote_name from $remote using $proto" |
a858c006 | 278 | case "$quiet" in '') v=-v ;; *) v= ;; esac |
27be481f | 279 | git-http-fetch $v -a "$head" "$remote" || exit |
03febf99 JH |
280 | ;; |
281 | rsync://*) | |
f53514bc JS |
282 | test -n "$shallow_depth" && |
283 | die "shallow clone with rsync not supported" | |
03febf99 JH |
284 | TMP_HEAD="$GIT_DIR/TMP_HEAD" |
285 | rsync -L -q "$remote/$remote_name" "$TMP_HEAD" || exit 1 | |
286 | head=$(git-rev-parse --verify TMP_HEAD) | |
287 | rm -f "$TMP_HEAD" | |
a858c006 | 288 | case "$quiet" in '') v=-v ;; *) v= ;; esac |
03febf99 | 289 | test "$rsync_slurped_objects" || { |
a858c006 | 290 | rsync -a $v --ignore-existing --exclude info \ |
03febf99 | 291 | "$remote/objects/" "$GIT_OBJECT_DIRECTORY/" || exit |
853a3697 | 292 | |
03febf99 JH |
293 | # Look at objects/info/alternates for rsync -- http will |
294 | # support it natively and git native ones will do it on | |
295 | # the remote end. Not having that file is not a crime. | |
296 | rsync -q "$remote/objects/info/alternates" \ | |
297 | "$GIT_DIR/TMP_ALT" 2>/dev/null || | |
298 | rm -f "$GIT_DIR/TMP_ALT" | |
299 | if test -f "$GIT_DIR/TMP_ALT" | |
300 | then | |
301 | resolve_alternates "$remote" <"$GIT_DIR/TMP_ALT" | | |
302 | while read alt | |
303 | do | |
304 | case "$alt" in 'bad alternate: '*) die "$alt";; esac | |
305 | echo >&2 "Getting alternate: $alt" | |
306 | rsync -av --ignore-existing --exclude info \ | |
307 | "$alt" "$GIT_OBJECT_DIRECTORY/" || exit | |
308 | done | |
309 | rm -f "$GIT_DIR/TMP_ALT" | |
310 | fi | |
311 | rsync_slurped_objects=t | |
312 | } | |
313 | ;; | |
03febf99 | 314 | esac |
f170e4b3 | 315 | |
03febf99 | 316 | append_fetch_head "$head" "$remote" \ |
f64d7fd2 | 317 | "$remote_name" "$remote_nick" "$local_name" "$not_for_merge" || exit |
853a3697 | 318 | |
03febf99 JH |
319 | done |
320 | ||
b74e8cbd | 321 | } |
03febf99 | 322 | |
b74e8cbd JH |
323 | fetch_main () { |
324 | case "$remote" in | |
325 | http://* | https://* | ftp://* | rsync://* ) | |
9debc324 | 326 | fetch_per_ref "$@" |
b74e8cbd JH |
327 | ;; |
328 | *) | |
9debc324 | 329 | fetch_all_at_once "$@" |
b74e8cbd JH |
330 | ;; |
331 | esac | |
03febf99 JH |
332 | } |
333 | ||
f64d7fd2 | 334 | fetch_main "$reflist" || exit |
03febf99 JH |
335 | |
336 | # automated tag following | |
337 | case "$no_tags$tags" in | |
338 | '') | |
6dc78e69 JH |
339 | case "$reflist" in |
340 | *:refs/*) | |
341 | # effective only when we are following remote branch | |
342 | # using local tracking branch. | |
ed9f7c95 | 343 | taglist=$(IFS=' ' && |
28b8e61f | 344 | echo "$ls_remote_result" | |
ed9f7c95 | 345 | git-show-ref --exclude-existing=refs/tags/ | |
6dc78e69 JH |
346 | while read sha1 name |
347 | do | |
6dc78e69 JH |
348 | git-cat-file -t "$sha1" >/dev/null 2>&1 || continue |
349 | echo >&2 "Auto-following $name" | |
350 | echo ".${name}:${name}" | |
351 | done) | |
352 | esac | |
03febf99 JH |
353 | case "$taglist" in |
354 | '') ;; | |
355 | ?*) | |
d1586315 AJ |
356 | # do not deepen a shallow tree when following tags |
357 | shallow_depth= | |
f64d7fd2 | 358 | fetch_main "$taglist" || exit ;; |
03febf99 | 359 | esac |
853a3697 | 360 | esac |
b10ac50f JH |
361 | |
362 | # If the original head was empty (i.e. no "master" yet), or | |
363 | # if we were told not to worry, we do not have to check. | |
9861718b JH |
364 | case "$orig_head" in |
365 | '') | |
b10ac50f | 366 | ;; |
9861718b | 367 | ?*) |
bf7960eb | 368 | curr_head=$(git-rev-parse --verify HEAD 2>/dev/null) |
b10ac50f JH |
369 | if test "$curr_head" != "$orig_head" |
370 | then | |
55b7835e | 371 | git-update-ref \ |
f9474132 | 372 | -m "$GIT_REFLOG_ACTION: Undoing incorrectly fetched HEAD." \ |
55b7835e | 373 | HEAD "$orig_head" |
b10ac50f JH |
374 | die "Cannot fetch into the current branch." |
375 | fi | |
376 | ;; | |
377 | esac |