diff options
| -rw-r--r-- | Documentation/git-remote-helpers.txt | 33 | ||||
| -rw-r--r-- | http-push.c | 29 | ||||
| -rw-r--r-- | remote-curl.c | 97 | ||||
| -rwxr-xr-x | t/t5540-http-push.sh | 14 | ||||
| -rw-r--r-- | transport-helper.c | 137 | ||||
| -rw-r--r-- | transport.c | 31 |
6 files changed, 287 insertions, 54 deletions
diff --git a/Documentation/git-remote-helpers.txt b/Documentation/git-remote-helpers.txt index 1133f047bf..8beb42dbb9 100644 --- a/Documentation/git-remote-helpers.txt +++ b/Documentation/git-remote-helpers.txt @@ -34,6 +34,10 @@ Commands are given by the caller on the helper's standard input, one per line. value of the ref. A space-separated list of attributes follows the name; unrecognized attributes are ignored. After the complete list, outputs a blank line. ++ +If 'push' is supported this may be called as 'list for-push' +to obtain the current refs prior to sending one or more 'push' +commands to the helper. 'option' <name> <value>:: Set the transport helper option <name> to <value>. Outputs a @@ -59,6 +63,22 @@ suitably updated. + Supported if the helper has the "fetch" capability. +'push' +<src>:<dst>:: + Pushes the given <src> commit or branch locally to the + remote branch described by <dst>. A batch sequence of + one or more push commands is terminated with a blank line. ++ +Zero or more protocol options may be entered after the last 'push' +command, before the batch's terminating blank line. ++ +When the push is complete, outputs one or more 'ok <dst>' or +'error <dst> <why>?' lines to indicate success or failure of +each pushed ref. The status report output is terminated by +a blank line. The option field <why> may be quoted in a C +style string if it contains an LF. ++ +Supported if the helper has the "push" capability. + If a fatal error occurs, the program writes the error message to stderr and exits. The caller should expect that a suitable error message has been printed if the child closes the connection without @@ -76,10 +96,16 @@ CAPABILITIES 'option':: This helper supports the option command. +'push':: + This helper supports the 'push' command. + REF LIST ATTRIBUTES ------------------- -None are defined yet, but the caller must accept any which are supplied. +'for-push':: + The caller wants to use the ref list to prepare push + commands. A helper might chose to acquire the ref list by + opening a different type of connection to the destination. OPTIONS ------- @@ -106,6 +132,11 @@ OPTIONS ask for the tag specifically. Some helpers may be able to use this option to avoid a second network connection. +'option dry-run' \{'true'|'false'\}: + If true, pretend the operation completed successfully, + but don't actually change any repository data. For most + helpers this only applies to the 'push', if supported. + Documentation ------------- Documentation by Daniel Barkalow. diff --git a/http-push.c b/http-push.c index cc5d4b8c32..f10803a389 100644 --- a/http-push.c +++ b/http-push.c @@ -78,6 +78,7 @@ static int push_verbosely; static int push_all = MATCH_REFS_NONE; static int force_all; static int dry_run; +static int helper_status; static struct object_list *objects; @@ -1813,6 +1814,10 @@ int main(int argc, char **argv) dry_run = 1; continue; } + if (!strcmp(arg, "--helper-status")) { + helper_status = 1; + continue; + } if (!strcmp(arg, "--verbose")) { push_verbosely = 1; http_is_verbose = 1; @@ -1911,9 +1916,12 @@ int main(int argc, char **argv) /* Remove a remote branch if -d or -D was specified */ if (delete_branch) { - if (delete_remote_branch(refspec[0], force_delete) == -1) + if (delete_remote_branch(refspec[0], force_delete) == -1) { fprintf(stderr, "Unable to delete remote branch %s\n", refspec[0]); + if (helper_status) + printf("error %s cannot remove\n", refspec[0]); + } goto cleanup; } @@ -1925,6 +1933,8 @@ int main(int argc, char **argv) } if (!remote_refs) { fprintf(stderr, "No refs in common and none specified; doing nothing.\n"); + if (helper_status) + printf("error null no match\n"); rc = 0; goto cleanup; } @@ -1942,8 +1952,12 @@ int main(int argc, char **argv) if (is_null_sha1(ref->peer_ref->new_sha1)) { if (delete_remote_branch(ref->name, 1) == -1) { error("Could not remove %s", ref->name); + if (helper_status) + printf("error %s cannot remove\n", ref->name); rc = -4; } + else if (helper_status) + printf("ok %s\n", ref->name); new_refs++; continue; } @@ -1951,6 +1965,8 @@ int main(int argc, char **argv) if (!hashcmp(ref->old_sha1, ref->peer_ref->new_sha1)) { if (push_verbosely || 1) fprintf(stderr, "'%s': up-to-date\n", ref->name); + if (helper_status) + printf("ok %s up to date\n", ref->name); continue; } @@ -1974,6 +1990,8 @@ int main(int argc, char **argv) "need to pull first?", ref->name, ref->peer_ref->name); + if (helper_status) + printf("error %s non-fast forward\n", ref->name); rc = -2; continue; } @@ -1987,14 +2005,19 @@ int main(int argc, char **argv) if (strcmp(ref->name, ref->peer_ref->name)) fprintf(stderr, " using '%s'", ref->peer_ref->name); fprintf(stderr, "\n from %s\n to %s\n", old_hex, new_hex); - if (dry_run) + if (dry_run) { + if (helper_status) + printf("ok %s\n", ref->name); continue; + } /* Lock remote branch ref */ ref_lock = lock_remote(ref->name, LOCK_TIME); if (ref_lock == NULL) { fprintf(stderr, "Unable to lock remote branch %s\n", ref->name); + if (helper_status) + printf("error %s lock error\n", ref->name); rc = 1; continue; } @@ -2045,6 +2068,8 @@ int main(int argc, char **argv) if (!rc) fprintf(stderr, " done\n"); + if (helper_status) + printf("%s %s\n", !rc ? "ok" : "error", ref->name); unlock_remote(ref_lock); check_locks(); } diff --git a/remote-curl.c b/remote-curl.c index 0951f11615..5c9dd97d1d 100644 --- a/remote-curl.c +++ b/remote-curl.c @@ -4,6 +4,7 @@ #include "walker.h" #include "http.h" #include "exec_cmd.h" +#include "run-command.h" static struct remote *remote; static const char *url; @@ -13,7 +14,8 @@ struct options { int verbosity; unsigned long depth; unsigned progress : 1, - followtags : 1; + followtags : 1, + dry_run : 1; }; static struct options options; @@ -59,6 +61,15 @@ static int set_option(const char *name, const char *value) return -1; return 1 /* TODO implement later */; } + else if (!strcmp(name, "dry-run")) { + if (!strcmp(value, "true")) + options.dry_run = 1; + else if (!strcmp(value, "false")) + options.dry_run = 0; + else + return -1; + return 0; + } else { return 1 /* unsupported */; } @@ -136,6 +147,20 @@ static struct ref *get_refs(void) return refs; } +static void output_refs(struct ref *refs) +{ + struct ref *posn; + for (posn = refs; posn; posn = posn->next) { + if (posn->symref) + printf("@%s %s\n", posn->symref, posn->name); + else + printf("%s %s\n", sha1_to_hex(posn->old_sha1), posn->name); + } + printf("\n"); + fflush(stdout); + free_refs(refs); +} + static int fetch_dumb(int nr_heads, struct ref **to_fetch) { char **targets = xmalloc(nr_heads * sizeof(char*)); @@ -211,6 +236,58 @@ static void parse_fetch(struct strbuf *buf) strbuf_reset(buf); } +static int push_dav(int nr_spec, char **specs) +{ + const char **argv = xmalloc((10 + nr_spec) * sizeof(char*)); + int argc = 0, i; + + argv[argc++] = "http-push"; + argv[argc++] = "--helper-status"; + if (options.dry_run) + argv[argc++] = "--dry-run"; + if (options.verbosity > 1) + argv[argc++] = "--verbose"; + argv[argc++] = url; + for (i = 0; i < nr_spec; i++) + argv[argc++] = specs[i]; + argv[argc++] = NULL; + + if (run_command_v_opt(argv, RUN_GIT_CMD)) + die("git-%s failed", argv[0]); + free(argv); + return 0; +} + +static void parse_push(struct strbuf *buf) +{ + char **specs = NULL; + int alloc_spec = 0, nr_spec = 0, i; + + do { + if (!prefixcmp(buf->buf, "push ")) { + ALLOC_GROW(specs, nr_spec + 1, alloc_spec); + specs[nr_spec++] = xstrdup(buf->buf + 5); + } + else + die("http transport does not support %s", buf->buf); + + strbuf_reset(buf); + if (strbuf_getline(buf, stdin, '\n') == EOF) + return; + if (!*buf->buf) + break; + } while (1); + + if (push_dav(nr_spec, specs)) + exit(128); /* error already reported */ + for (i = 0; i < nr_spec; i++) + free(specs[i]); + free(specs); + + printf("\n"); + fflush(stdout); +} + int main(int argc, const char **argv) { struct strbuf buf = STRBUF_INIT; @@ -239,17 +316,12 @@ int main(int argc, const char **argv) if (!prefixcmp(buf.buf, "fetch ")) { parse_fetch(&buf); - } else if (!strcmp(buf.buf, "list")) { - struct ref *refs = get_refs(); - struct ref *posn; - for (posn = refs; posn; posn = posn->next) { - if (posn->symref) - printf("@%s %s\n", posn->symref, posn->name); - else - printf("%s %s\n", sha1_to_hex(posn->old_sha1), posn->name); - } - printf("\n"); - fflush(stdout); + } else if (!strcmp(buf.buf, "list") || !prefixcmp(buf.buf, "list ")) { + output_refs(get_refs()); + + } else if (!prefixcmp(buf.buf, "push ")) { + parse_push(&buf); + } else if (!prefixcmp(buf.buf, "option ")) { char *name = buf.buf + strlen("option "); char *value = strchr(name, ' '); @@ -272,6 +344,7 @@ int main(int argc, const char **argv) } else if (!strcmp(buf.buf, "capabilities")) { printf("fetch\n"); printf("option\n"); + printf("push\n"); printf("\n"); fflush(stdout); } else { diff --git a/t/t5540-http-push.sh b/t/t5540-http-push.sh index f4a2cf6c17..09edd2387b 100755 --- a/t/t5540-http-push.sh +++ b/t/t5540-http-push.sh @@ -36,6 +36,7 @@ test_expect_success 'setup remote repository' ' cd test_repo.git && git --bare update-server-info && mv hooks/post-update.sample hooks/post-update && + ORIG_HEAD=$(git rev-parse --verify HEAD) && cd - && mv test_repo.git "$HTTPD_DOCUMENT_ROOT_PATH" ' @@ -45,7 +46,7 @@ test_expect_success 'clone remote repository' ' git clone $HTTPD_URL/test_repo.git test_repo_clone ' -test_expect_failure 'push to remote repository with packed refs' ' +test_expect_success 'push to remote repository with packed refs' ' cd "$ROOT_PATH"/test_repo_clone && : >path2 && git add path2 && @@ -57,11 +58,15 @@ test_expect_failure 'push to remote repository with packed refs' ' test $HEAD = $(git rev-parse --verify HEAD)) ' -test_expect_success ' push to remote repository with unpacked refs' ' +test_expect_failure 'push already up-to-date' ' + git push +' + +test_expect_success 'push to remote repository with unpacked refs' ' (cd "$HTTPD_DOCUMENT_ROOT_PATH"/test_repo.git && rm packed-refs && - git update-ref refs/heads/master \ - 0c973ae9bd51902a28466f3850b543fa66a6aaf4) && + git update-ref refs/heads/master $ORIG_HEAD && + git --bare update-server-info) && git push && (cd "$HTTPD_DOCUMENT_ROOT_PATH"/test_repo.git && test $HEAD = $(git rev-parse --verify HEAD)) @@ -113,7 +118,6 @@ test_expect_success 'create and delete remote branch' ' git push origin dev && git fetch && git push origin :dev && - git branch -d -r origin/dev && git fetch && test_must_fail git show-ref --verify refs/remotes/origin/dev ' diff --git a/transport-helper.c b/transport-helper.c index 577abc638e..16c6641f03 100644 --- a/transport-helper.c +++ b/transport-helper.c @@ -1,6 +1,6 @@ #include "cache.h" #include "transport.h" - +#include "quote.h" #include "run-command.h" #include "commit.h" #include "diff.h" @@ -13,7 +13,8 @@ struct helper_data struct child_process *helper; FILE *out; unsigned fetch : 1, - option : 1; + option : 1, + push : 1; }; static struct child_process *get_helper(struct transport *transport) @@ -52,6 +53,8 @@ static struct child_process *get_helper(struct transport *transport) data->fetch = 1; if (!strcmp(buf.buf, "option")) data->option = 1; + if (!strcmp(buf.buf, "push")) + data->push = 1; } return data->helper; } @@ -214,6 +217,130 @@ static int fetch(struct transport *transport, return -1; } +static int push_refs(struct transport *transport, + struct ref *remote_refs, int flags) +{ + int force_all = flags & TRANSPORT_PUSH_FORCE; + int mirror = flags & TRANSPORT_PUSH_MIRROR; + struct helper_data *data = transport->data; + struct strbuf buf = STRBUF_INIT; + struct child_process *helper; + struct ref *ref; + + if (!remote_refs) + return 0; + + helper = get_helper(transport); + if (!data->push) + return 1; + + for (ref = remote_refs; ref; ref = ref->next) { + if (ref->peer_ref) + hashcpy(ref->new_sha1, ref->peer_ref->new_sha1); + else if (!mirror) + continue; + + ref->deletion = is_null_sha1(ref->new_sha1); + if (!ref->deletion && + !hashcmp(ref->old_sha1, ref->new_sha1)) { + ref->status = REF_STATUS_UPTODATE; + continue; + } + + if (force_all) + ref->force = 1; + + strbuf_addstr(&buf, "push "); + if (!ref->deletion) { + if (ref->force) + strbuf_addch(&buf, '+'); + if (ref->peer_ref) + strbuf_addstr(&buf, ref->peer_ref->name); + else + strbuf_addstr(&buf, sha1_to_hex(ref->new_sha1)); + } + strbuf_addch(&buf, ':'); + strbuf_addstr(&buf, ref->name); + strbuf_addch(&buf, '\n'); + } + + transport->verbose = flags & TRANSPORT_PUSH_VERBOSE ? 1 : 0; + standard_options(transport); + + if (flags & TRANSPORT_PUSH_DRY_RUN) { + if (set_helper_option(transport, "dry-run", "true") != 0) + die("helper %s does not support dry-run", data->name); + } + + strbuf_addch(&buf, '\n'); + if (write_in_full(helper->in, buf.buf, buf.len) != buf.len) + exit(128); + + ref = remote_refs; + while (1) { + char *refname, *msg; + int status; + + strbuf_reset(&buf); + if (strbuf_getline(&buf, data->out, '\n') == EOF) + exit(128); /* child died, message supplied already */ + if (!buf.len) + break; + + if (!prefixcmp(buf.buf, "ok ")) { + status = REF_STATUS_OK; + refname = buf.buf + 3; + } else if (!prefixcmp(buf.buf, "error ")) { + status = REF_STATUS_REMOTE_REJECT; + refname = buf.buf + 6; + } else + die("expected ok/error, helper said '%s'\n", buf.buf); + + msg = strchr(refname, ' '); + if (msg) { + struct strbuf msg_buf = STRBUF_INIT; + const char *end; + + *msg++ = '\0'; + if (!unquote_c_style(&msg_buf, msg, &end)) + msg = strbuf_detach(&msg_buf, NULL); + else + msg = xstrdup(msg); + strbuf_release(&msg_buf); + + if (!strcmp(msg, "no match")) { + status = REF_STATUS_NONE; + free(msg); + msg = NULL; + } + else if (!strcmp(msg, "up to date")) { + status = REF_STATUS_UPTODATE; + free(msg); + msg = NULL; + } + else if (!strcmp(msg, "non-fast forward")) { + status = REF_STATUS_REJECT_NONFASTFORWARD; + free(msg); + msg = NULL; + } + } + + if (ref) + ref = find_ref_by_name(ref, refname); + if (!ref) + ref = find_ref_by_name(remote_refs, refname); + if (!ref) { + warning("helper reported unexpected status of %s", refname); + continue; + } + + ref->status = status; + ref->remote_status = msg; + } + strbuf_release(&buf); + return 0; +} + static struct ref *get_refs_list(struct transport *transport, int for_push) { struct helper_data *data = transport->data; @@ -225,7 +352,10 @@ static struct ref *get_refs_list(struct transport *transport, int for_push) helper = get_helper(transport); - write_str_in_full(helper->in, "list\n"); + if (data->push && for_push) + write_str_in_full(helper->in, "list for-push\n"); + else + write_str_in_full(helper->in, "list\n"); while (1) { char *eov, *eon; @@ -266,6 +396,7 @@ int transport_helper_init(struct transport *transport, const char *name) transport->set_option = set_helper_option; transport->get_refs_list = get_refs_list; transport->fetch = fetch; + transport->push_refs = push_refs; transport->disconnect = disconnect_helper; return 0; } diff --git a/transport.c b/transport.c index 644a30a0b2..6d9652db94 100644 --- a/transport.c +++ b/transport.c @@ -349,35 +349,6 @@ static int rsync_transport_push(struct transport *transport, return result; } -#ifndef NO_CURL -static int curl_transport_push(struct transport *transport, int refspec_nr, const char **refspec, int flags) -{ - const char **argv; - int argc; - - if (flags & TRANSPORT_PUSH_MIRROR) - return error("http transport does not support mirror mode"); - - argv = xmalloc((refspec_nr + 12) * sizeof(char *)); - argv[0] = "http-push"; - argc = 1; - if (flags & TRANSPORT_PUSH_ALL) - argv[argc++] = "--all"; - if (flags & TRANSPORT_PUSH_FORCE) - argv[argc++] = "--force"; - if (flags & TRANSPORT_PUSH_DRY_RUN) - argv[argc++] = "--dry-run"; - if (flags & TRANSPORT_PUSH_VERBOSE) - argv[argc++] = "--verbose"; - argv[argc++] = transport->url; - while (refspec_nr--) - argv[argc++] = *refspec++; - argv[argc] = NULL; - return !!run_command_v_opt(argv, RUN_GIT_CMD); -} - -#endif - struct bundle_transport_data { int fd; struct bundle_header header; @@ -826,8 +797,6 @@ struct transport *transport_get(struct remote *remote, const char *url) transport_helper_init(ret, "curl"); #ifdef NO_CURL error("git was compiled without libcurl support."); -#else - ret->push = curl_transport_push; #endif } else if (is_local(url) && is_file(url)) { |