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https://github.com/git/git.git
synced 2024-11-06 01:03:02 +01:00
11f2441f05
The default behaviour of git-push is potentially confusing for new users, since it will push changes that are not on the current branch. Publishing patches that were still cooking on a development branch is hard to undo. It would also be nice to be able to verify the expansion of refspecs if you've edited them, so that you know what branches matched on the server. Adding a --dry-run flag allows the user to experiment safely and learn how to use git-push properly. Originally suggested by Steffen Prohaska. Signed-off-by: Brian Ewins <brian.ewins@gmail.com> Signed-off-by: Lars Hjemli <hjemli@gmail.com> Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
187 lines
4 KiB
C
187 lines
4 KiB
C
/*
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* "git push"
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*/
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#include "cache.h"
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#include "refs.h"
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#include "run-command.h"
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#include "builtin.h"
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#include "remote.h"
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static const char push_usage[] = "git-push [--all] [--dry-run] [--tags] [--receive-pack=<git-receive-pack>] [--repo=all] [-f | --force] [-v] [<repository> <refspec>...]";
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static int all, dry_run, force, thin, verbose;
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static const char *receivepack;
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static const char **refspec;
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static int refspec_nr;
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static void add_refspec(const char *ref)
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{
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int nr = refspec_nr + 1;
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refspec = xrealloc(refspec, nr * sizeof(char *));
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refspec[nr-1] = ref;
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refspec_nr = nr;
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}
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static void set_refspecs(const char **refs, int nr)
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{
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int i;
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for (i = 0; i < nr; i++) {
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const char *ref = refs[i];
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if (!strcmp("tag", ref)) {
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char *tag;
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int len;
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if (nr <= ++i)
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die("tag shorthand without <tag>");
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len = strlen(refs[i]) + 11;
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tag = xmalloc(len);
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strcpy(tag, "refs/tags/");
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strcat(tag, refs[i]);
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ref = tag;
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}
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add_refspec(ref);
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}
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}
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static int do_push(const char *repo)
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{
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int i, errs;
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int common_argc;
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const char **argv;
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int argc;
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struct remote *remote = remote_get(repo);
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if (!remote)
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die("bad repository '%s'", repo);
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if (remote->receivepack) {
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char *rp = xmalloc(strlen(remote->receivepack) + 16);
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sprintf(rp, "--receive-pack=%s", remote->receivepack);
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receivepack = rp;
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}
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if (!refspec && !all && remote->push_refspec_nr) {
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refspec = remote->push_refspec;
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refspec_nr = remote->push_refspec_nr;
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}
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argv = xmalloc((refspec_nr + 10) * sizeof(char *));
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argv[0] = "dummy-send-pack";
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argc = 1;
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if (all)
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argv[argc++] = "--all";
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if (dry_run)
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argv[argc++] = "--dry-run";
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if (force)
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argv[argc++] = "--force";
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if (receivepack)
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argv[argc++] = receivepack;
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common_argc = argc;
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errs = 0;
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for (i = 0; i < remote->uri_nr; i++) {
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int err;
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int dest_argc = common_argc;
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int dest_refspec_nr = refspec_nr;
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const char **dest_refspec = refspec;
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const char *dest = remote->uri[i];
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const char *sender = "send-pack";
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if (!prefixcmp(dest, "http://") ||
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!prefixcmp(dest, "https://"))
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sender = "http-push";
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else {
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char *rem = xmalloc(strlen(remote->name) + 10);
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sprintf(rem, "--remote=%s", remote->name);
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argv[dest_argc++] = rem;
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if (thin)
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argv[dest_argc++] = "--thin";
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}
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argv[0] = sender;
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argv[dest_argc++] = dest;
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while (dest_refspec_nr--)
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argv[dest_argc++] = *dest_refspec++;
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argv[dest_argc] = NULL;
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if (verbose)
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fprintf(stderr, "Pushing to %s\n", dest);
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err = run_command_v_opt(argv, RUN_GIT_CMD);
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if (!err)
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continue;
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error("failed to push to '%s'", remote->uri[i]);
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switch (err) {
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case -ERR_RUN_COMMAND_FORK:
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error("unable to fork for %s", sender);
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case -ERR_RUN_COMMAND_EXEC:
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error("unable to exec %s", sender);
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break;
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case -ERR_RUN_COMMAND_WAITPID:
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case -ERR_RUN_COMMAND_WAITPID_WRONG_PID:
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case -ERR_RUN_COMMAND_WAITPID_SIGNAL:
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case -ERR_RUN_COMMAND_WAITPID_NOEXIT:
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error("%s died with strange error", sender);
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}
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errs++;
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}
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return !!errs;
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}
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int cmd_push(int argc, const char **argv, const char *prefix)
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{
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int i;
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const char *repo = NULL; /* default repository */
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for (i = 1; i < argc; i++) {
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const char *arg = argv[i];
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if (arg[0] != '-') {
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repo = arg;
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i++;
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break;
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}
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if (!strcmp(arg, "-v")) {
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verbose=1;
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continue;
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}
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if (!prefixcmp(arg, "--repo=")) {
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repo = arg+7;
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continue;
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}
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if (!strcmp(arg, "--all")) {
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all = 1;
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continue;
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}
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if (!strcmp(arg, "--dry-run")) {
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dry_run = 1;
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continue;
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}
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if (!strcmp(arg, "--tags")) {
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add_refspec("refs/tags/*");
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continue;
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}
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if (!strcmp(arg, "--force") || !strcmp(arg, "-f")) {
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force = 1;
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continue;
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}
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if (!strcmp(arg, "--thin")) {
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thin = 1;
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continue;
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}
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if (!strcmp(arg, "--no-thin")) {
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thin = 0;
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continue;
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}
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if (!prefixcmp(arg, "--receive-pack=")) {
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receivepack = arg;
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continue;
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}
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if (!prefixcmp(arg, "--exec=")) {
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receivepack = arg;
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continue;
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}
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usage(push_usage);
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}
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set_refspecs(argv + i, argc - i);
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if (all && refspec)
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usage(push_usage);
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return do_push(repo);
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}
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