diff options
Diffstat (limited to 'builtin/remote.c')
| -rw-r--r-- | builtin/remote.c | 82 |
1 files changed, 64 insertions, 18 deletions
diff --git a/builtin/remote.c b/builtin/remote.c index b2b13a7dd2..0435963286 100644 --- a/builtin/remote.c +++ b/builtin/remote.c @@ -1405,12 +1405,42 @@ static int show(int argc, const char **argv, const char *prefix, return result; } +static void report_set_head_auto(const char *remote, const char *head_name, + struct strbuf *b_local_head, int was_detached) { + struct strbuf buf_prefix = STRBUF_INIT; + const char *prev_head = NULL; + + strbuf_addf(&buf_prefix, "refs/remotes/%s/", remote); + skip_prefix(b_local_head->buf, buf_prefix.buf, &prev_head); + + if (prev_head && !strcmp(prev_head, head_name)) + printf(_("'%s/HEAD' is unchanged and points to '%s'\n"), + remote, head_name); + else if (prev_head) + printf(_("'%s/HEAD' has changed from '%s' and now points to '%s'\n"), + remote, prev_head, head_name); + else if (!b_local_head->len) + printf(_("'%s/HEAD' is now created and points to '%s'\n"), + remote, head_name); + else if (was_detached && b_local_head->len) + printf(_("'%s/HEAD' was detached at '%s' and now points to '%s'\n"), + remote, b_local_head->buf, head_name); + else + printf(_("'%s/HEAD' used to point to '%s' " + "(which is not a remote branch), but now points to '%s'\n"), + remote, b_local_head->buf, head_name); + strbuf_release(&buf_prefix); +} + static int set_head(int argc, const char **argv, const char *prefix, struct repository *repo UNUSED) { - int i, opt_a = 0, opt_d = 0, result = 0; - struct strbuf buf = STRBUF_INIT, buf2 = STRBUF_INIT; + int i, opt_a = 0, opt_d = 0, result = 0, was_detached; + struct strbuf b_head = STRBUF_INIT, b_remote_head = STRBUF_INIT, + b_local_head = STRBUF_INIT; char *head_name = NULL; + struct ref_store *refs = get_main_ref_store(the_repository); + struct remote *remote; struct option options[] = { OPT_BOOL('a', "auto", &opt_a, @@ -1421,8 +1451,10 @@ static int set_head(int argc, const char **argv, const char *prefix, }; argc = parse_options(argc, argv, prefix, options, builtin_remote_sethead_usage, 0); - if (argc) - strbuf_addf(&buf, "refs/remotes/%s/HEAD", argv[0]); + if (argc) { + strbuf_addf(&b_head, "refs/remotes/%s/HEAD", argv[0]); + remote = remote_get(argv[0]); + } if (!opt_a && !opt_d && argc == 2) { head_name = xstrdup(argv[1]); @@ -1441,25 +1473,39 @@ static int set_head(int argc, const char **argv, const char *prefix, head_name = xstrdup(states.heads.items[0].string); free_remote_ref_states(&states); } else if (opt_d && !opt_a && argc == 1) { - if (refs_delete_ref(get_main_ref_store(the_repository), NULL, buf.buf, NULL, REF_NO_DEREF)) - result |= error(_("Could not delete %s"), buf.buf); + if (refs_delete_ref(refs, NULL, b_head.buf, NULL, REF_NO_DEREF)) + result |= error(_("Could not delete %s"), b_head.buf); } else usage_with_options(builtin_remote_sethead_usage, options); - if (head_name) { - strbuf_addf(&buf2, "refs/remotes/%s/%s", argv[0], head_name); - /* make sure it's valid */ - if (!refs_ref_exists(get_main_ref_store(the_repository), buf2.buf)) - result |= error(_("Not a valid ref: %s"), buf2.buf); - else if (refs_update_symref(get_main_ref_store(the_repository), buf.buf, buf2.buf, "remote set-head")) - result |= error(_("Could not setup %s"), buf.buf); - else if (opt_a) - printf("%s/HEAD set to %s\n", argv[0], head_name); - free(head_name); + if (!head_name) + goto cleanup; + strbuf_addf(&b_remote_head, "refs/remotes/%s/%s", argv[0], head_name); + if (!refs_ref_exists(refs, b_remote_head.buf)) { + result |= error(_("Not a valid ref: %s"), b_remote_head.buf); + goto cleanup; + } + was_detached = refs_update_symref_extended(refs, b_head.buf, b_remote_head.buf, + "remote set-head", &b_local_head, 0); + if (was_detached == -1) { + result |= error(_("Could not set up %s"), b_head.buf); + goto cleanup; + } + if (opt_a) + report_set_head_auto(argv[0], head_name, &b_local_head, was_detached); + if (remote->follow_remote_head == FOLLOW_REMOTE_ALWAYS) { + struct strbuf config_name = STRBUF_INIT; + strbuf_addf(&config_name, + "remote.%s.followremotehead", remote->name); + git_config_set(config_name.buf, "warn"); + strbuf_release(&config_name); } - strbuf_release(&buf); - strbuf_release(&buf2); +cleanup: + free(head_name); + strbuf_release(&b_head); + strbuf_release(&b_remote_head); + strbuf_release(&b_local_head); return result; } |