diff options
Diffstat (limited to 'builtin-branch.c')
-rw-r--r-- | builtin-branch.c | 436 |
1 files changed, 270 insertions, 166 deletions
diff --git a/builtin-branch.c b/builtin-branch.c index b1a2ad7a6b..6cf7e721e6 100644 --- a/builtin-branch.c +++ b/builtin-branch.c @@ -32,18 +32,18 @@ static unsigned char head_sha1[20]; static int branch_use_color = -1; static char branch_colors[][COLOR_MAXLEN] = { - "\033[m", /* reset */ - "", /* PLAIN (normal) */ - "\033[31m", /* REMOTE (red) */ - "", /* LOCAL (normal) */ - "\033[32m", /* CURRENT (green) */ + GIT_COLOR_RESET, + GIT_COLOR_NORMAL, /* PLAIN */ + GIT_COLOR_RED, /* REMOTE */ + GIT_COLOR_NORMAL, /* LOCAL */ + GIT_COLOR_GREEN, /* CURRENT */ }; enum color_branch { - COLOR_BRANCH_RESET = 0, - COLOR_BRANCH_PLAIN = 1, - COLOR_BRANCH_REMOTE = 2, - COLOR_BRANCH_LOCAL = 3, - COLOR_BRANCH_CURRENT = 4, + BRANCH_COLOR_RESET = 0, + BRANCH_COLOR_PLAIN = 1, + BRANCH_COLOR_REMOTE = 2, + BRANCH_COLOR_LOCAL = 3, + BRANCH_COLOR_CURRENT = 4, }; static enum merge_filter { @@ -56,16 +56,16 @@ static unsigned char merge_filter_ref[20]; static int parse_branch_color_slot(const char *var, int ofs) { if (!strcasecmp(var+ofs, "plain")) - return COLOR_BRANCH_PLAIN; + return BRANCH_COLOR_PLAIN; if (!strcasecmp(var+ofs, "reset")) - return COLOR_BRANCH_RESET; + return BRANCH_COLOR_RESET; if (!strcasecmp(var+ofs, "remote")) - return COLOR_BRANCH_REMOTE; + return BRANCH_COLOR_REMOTE; if (!strcasecmp(var+ofs, "local")) - return COLOR_BRANCH_LOCAL; + return BRANCH_COLOR_LOCAL; if (!strcasecmp(var+ofs, "current")) - return COLOR_BRANCH_CURRENT; - die("bad config variable '%s'", var); + return BRANCH_COLOR_CURRENT; + return -1; } static int git_branch_config(const char *var, const char *value, void *cb) @@ -76,6 +76,8 @@ static int git_branch_config(const char *var, const char *value, void *cb) } if (!prefixcmp(var, "color.branch.")) { int slot = parse_branch_color_slot(var, 13); + if (slot < 0) + return 0; if (!value) return config_error_nonbool(var); color_parse(value, var, branch_colors[slot]); @@ -91,15 +93,66 @@ static const char *branch_get_color(enum color_branch ix) return ""; } +static int branch_merged(int kind, const char *name, + struct commit *rev, struct commit *head_rev) +{ + /* + * This checks whether the merge bases of branch and HEAD (or + * the other branch this branch builds upon) contains the + * branch, which means that the branch has already been merged + * safely to HEAD (or the other branch). + */ + struct commit *reference_rev = NULL; + const char *reference_name = NULL; + int merged; + + if (kind == REF_LOCAL_BRANCH) { + struct branch *branch = branch_get(name); + unsigned char sha1[20]; + + if (branch && + branch->merge && + branch->merge[0] && + branch->merge[0]->dst && + (reference_name = + resolve_ref(branch->merge[0]->dst, sha1, 1, NULL)) != NULL) + reference_rev = lookup_commit_reference(sha1); + } + if (!reference_rev) + reference_rev = head_rev; + + merged = in_merge_bases(rev, &reference_rev, 1); + + /* + * After the safety valve is fully redefined to "check with + * upstream, if any, otherwise with HEAD", we should just + * return the result of the in_merge_bases() above without + * any of the following code, but during the transition period, + * a gentle reminder is in order. + */ + if ((head_rev != reference_rev) && + in_merge_bases(rev, &head_rev, 1) != merged) { + if (merged) + warning("deleting branch '%s' that has been merged to\n" + " '%s', but it is not yet merged to HEAD.", + name, reference_name); + else + warning("not deleting branch '%s' that is not yet merged to\n" + " '%s', even though it is merged to HEAD.", + name, reference_name); + } + return merged; +} + static int delete_branches(int argc, const char **argv, int force, int kinds) { - struct commit *rev, *head_rev = head_rev; + struct commit *rev, *head_rev = NULL; unsigned char sha1[20]; char *name = NULL; const char *fmt, *remote; - char section[PATH_MAX]; int i; int ret = 0; + struct strbuf bname = STRBUF_INIT; switch (kinds) { case REF_REMOTE_BRANCH: @@ -120,20 +173,21 @@ static int delete_branches(int argc, const char **argv, int force, int kinds) if (!head_rev) die("Couldn't look up commit object for HEAD"); } - for (i = 0; i < argc; i++) { - if (kinds == REF_LOCAL_BRANCH && !strcmp(head, argv[i])) { + for (i = 0; i < argc; i++, strbuf_release(&bname)) { + strbuf_branchname(&bname, argv[i]); + if (kinds == REF_LOCAL_BRANCH && !strcmp(head, bname.buf)) { error("Cannot delete the branch '%s' " - "which you are currently on.", argv[i]); + "which you are currently on.", bname.buf); ret = 1; continue; } free(name); - name = xstrdup(mkpath(fmt, argv[i])); + name = xstrdup(mkpath(fmt, bname.buf)); if (!resolve_ref(name, sha1, 1, NULL)) { error("%sbranch '%s' not found.", - remote, argv[i]); + remote, bname.buf); ret = 1; continue; } @@ -145,31 +199,27 @@ static int delete_branches(int argc, const char **argv, int force, int kinds) continue; } - /* This checks whether the merge bases of branch and - * HEAD contains branch -- which means that the HEAD - * contains everything in both. - */ - - if (!force && - !in_merge_bases(rev, &head_rev, 1)) { - error("The branch '%s' is not an ancestor of " - "your current HEAD.\n" - "If you are sure you want to delete it, " - "run 'git branch -D %s'.", argv[i], argv[i]); + if (!force && !branch_merged(kinds, bname.buf, rev, head_rev)) { + error("The branch '%s' is not fully merged.\n" + "If you are sure you want to delete it, " + "run 'git branch -D %s'.", bname.buf, bname.buf); ret = 1; continue; } - if (delete_ref(name, sha1)) { + if (delete_ref(name, sha1, 0)) { error("Error deleting %sbranch '%s'", remote, - argv[i]); + bname.buf); ret = 1; } else { - printf("Deleted %sbranch %s.\n", remote, argv[i]); - snprintf(section, sizeof(section), "branch.%s", - argv[i]); - if (git_config_rename_section(section, NULL) < 0) + struct strbuf buf = STRBUF_INIT; + printf("Deleted %sbranch %s (was %s).\n", remote, + bname.buf, + find_unique_abbrev(sha1, DEFAULT_ABBREV)); + strbuf_addf(&buf, "branch.%s", bname.buf); + if (git_config_rename_section(buf.buf, NULL) < 0) warning("Update of config-file failed"); + strbuf_release(&buf); } } @@ -180,31 +230,31 @@ static int delete_branches(int argc, const char **argv, int force, int kinds) struct ref_item { char *name; - unsigned int kind; + char *dest; + unsigned int kind, len; struct commit *commit; }; struct ref_list { struct rev_info revs; - int index, alloc, maxwidth; + int index, alloc, maxwidth, verbose, abbrev; struct ref_item *list; struct commit_list *with_commit; int kinds; }; -static int has_commit(struct commit *commit, struct commit_list *with_commit) +static char *resolve_symref(const char *src, const char *prefix) { - if (!with_commit) - return 1; - while (with_commit) { - struct commit *other; - - other = with_commit->item; - with_commit = with_commit->next; - if (in_merge_bases(other, &commit, 1)) - return 1; - } - return 0; + unsigned char sha1[20]; + int flag; + const char *dst, *cp; + + dst = resolve_ref(src, sha1, 0, &flag); + if (!(dst && (flag & REF_ISSYMREF))) + return NULL; + if (prefix && (cp = skip_prefix(dst, prefix))) + dst = cp; + return xstrdup(dst); } static int append_ref(const char *refname, const unsigned char *sha1, int flags, void *cb_data) @@ -212,34 +262,48 @@ static int append_ref(const char *refname, const unsigned char *sha1, int flags, struct ref_list *ref_list = (struct ref_list*)(cb_data); struct ref_item *newitem; struct commit *commit; - int kind; - int len; + int kind, i; + const char *prefix, *orig_refname = refname; + + static struct { + int kind; + const char *prefix; + int pfxlen; + } ref_kind[] = { + { REF_LOCAL_BRANCH, "refs/heads/", 11 }, + { REF_REMOTE_BRANCH, "refs/remotes/", 13 }, + }; /* Detect kind */ - if (!prefixcmp(refname, "refs/heads/")) { - kind = REF_LOCAL_BRANCH; - refname += 11; - } else if (!prefixcmp(refname, "refs/remotes/")) { - kind = REF_REMOTE_BRANCH; - refname += 13; - } else - return 0; - - commit = lookup_commit_reference_gently(sha1, 1); - if (!commit) - return error("branch '%s' does not point at a commit", refname); - - /* Filter with with_commit if specified */ - if (!has_commit(commit, ref_list->with_commit)) + for (i = 0; i < ARRAY_SIZE(ref_kind); i++) { + prefix = ref_kind[i].prefix; + if (strncmp(refname, prefix, ref_kind[i].pfxlen)) + continue; + kind = ref_kind[i].kind; + refname += ref_kind[i].pfxlen; + break; + } + if (ARRAY_SIZE(ref_kind) <= i) return 0; /* Don't add types the caller doesn't want */ if ((kind & ref_list->kinds) == 0) return 0; - if (merge_filter != NO_FILTER) - add_pending_object(&ref_list->revs, - (struct object *)commit, refname); + commit = NULL; + if (ref_list->verbose || ref_list->with_commit || merge_filter != NO_FILTER) { + commit = lookup_commit_reference_gently(sha1, 1); + if (!commit) + return error("branch '%s' does not point at a commit", refname); + + /* Filter with with_commit if specified */ + if (!is_descendant_of(commit, ref_list->with_commit)) + return 0; + + if (merge_filter != NO_FILTER) + add_pending_object(&ref_list->revs, + (struct object *)commit, refname); + } /* Resize buffer */ if (ref_list->index >= ref_list->alloc) { @@ -253,9 +317,14 @@ static int append_ref(const char *refname, const unsigned char *sha1, int flags, newitem->name = xstrdup(refname); newitem->kind = kind; newitem->commit = commit; - len = strlen(newitem->name); - if (len > ref_list->maxwidth) - ref_list->maxwidth = len; + newitem->len = strlen(refname); + newitem->dest = resolve_symref(orig_refname, prefix); + /* adjust for "remotes/" */ + if (newitem->kind == REF_REMOTE_BRANCH && + ref_list->kinds != REF_REMOTE_BRANCH) + newitem->len += 8; + if (newitem->len > ref_list->maxwidth) + ref_list->maxwidth = newitem->len; return 0; } @@ -264,8 +333,10 @@ static void free_ref_list(struct ref_list *ref_list) { int i; - for (i = 0; i < ref_list->index; i++) + for (i = 0; i < ref_list->index; i++) { free(ref_list->list[i].name); + free(ref_list->list[i].dest); + } free(ref_list->list); } @@ -279,19 +350,30 @@ static int ref_cmp(const void *r1, const void *r2) return strcmp(c1->name, c2->name); } -static void fill_tracking_info(char *stat, const char *branch_name) +static void fill_tracking_info(struct strbuf *stat, const char *branch_name, + int show_upstream_ref) { int ours, theirs; struct branch *branch = branch_get(branch_name); - if (!stat_tracking_info(branch, &ours, &theirs) || (!ours && !theirs)) + if (!stat_tracking_info(branch, &ours, &theirs)) { + if (branch && branch->merge && branch->merge[0]->dst && + show_upstream_ref) + strbuf_addf(stat, "[%s] ", + shorten_unambiguous_ref(branch->merge[0]->dst, 0)); return; + } + + strbuf_addch(stat, '['); + if (show_upstream_ref) + strbuf_addf(stat, "%s: ", + shorten_unambiguous_ref(branch->merge[0]->dst, 0)); if (!ours) - sprintf(stat, "[behind %d] ", theirs); + strbuf_addf(stat, "behind %d] ", theirs); else if (!theirs) - sprintf(stat, "[ahead %d] ", ours); + strbuf_addf(stat, "ahead %d] ", ours); else - sprintf(stat, "[ahead %d, behind %d] ", ours, theirs); + strbuf_addf(stat, "ahead %d, behind %d] ", ours, theirs); } static int matches_merge_filter(struct commit *commit) @@ -306,88 +388,115 @@ static int matches_merge_filter(struct commit *commit) } static void print_ref_item(struct ref_item *item, int maxwidth, int verbose, - int abbrev, int current) + int abbrev, int current, char *prefix) { char c; int color; struct commit *commit = item->commit; + struct strbuf out = STRBUF_INIT, name = STRBUF_INIT; if (!matches_merge_filter(commit)) return; switch (item->kind) { case REF_LOCAL_BRANCH: - color = COLOR_BRANCH_LOCAL; + color = BRANCH_COLOR_LOCAL; break; case REF_REMOTE_BRANCH: - color = COLOR_BRANCH_REMOTE; + color = BRANCH_COLOR_REMOTE; break; default: - color = COLOR_BRANCH_PLAIN; + color = BRANCH_COLOR_PLAIN; break; } c = ' '; if (current) { c = '*'; - color = COLOR_BRANCH_CURRENT; + color = BRANCH_COLOR_CURRENT; } - if (verbose) { - struct strbuf subject; - const char *sub = " **** invalid ref ****"; - char stat[128]; + strbuf_addf(&name, "%s%s", prefix, item->name); + if (verbose) + strbuf_addf(&out, "%c %s%-*s%s", c, branch_get_color(color), + maxwidth, name.buf, + branch_get_color(BRANCH_COLOR_RESET)); + else + strbuf_addf(&out, "%c %s%s%s", c, branch_get_color(color), + name.buf, branch_get_color(BRANCH_COLOR_RESET)); - strbuf_init(&subject, 0); - stat[0] = '\0'; + if (item->dest) + strbuf_addf(&out, " -> %s", item->dest); + else if (verbose) { + struct strbuf subject = STRBUF_INIT, stat = STRBUF_INIT; + const char *sub = " **** invalid ref ****"; commit = item->commit; if (commit && !parse_commit(commit)) { + struct pretty_print_context ctx = {0}; pretty_print_commit(CMIT_FMT_ONELINE, commit, - &subject, 0, NULL, NULL, 0, 0); + &subject, &ctx); sub = subject.buf; } if (item->kind == REF_LOCAL_BRANCH) - fill_tracking_info(stat, item->name); + fill_tracking_info(&stat, item->name, verbose > 1); - printf("%c %s%-*s%s %s %s%s\n", c, branch_get_color(color), - maxwidth, item->name, - branch_get_color(COLOR_BRANCH_RESET), - find_unique_abbrev(item->commit->object.sha1, abbrev), - stat, sub); + strbuf_addf(&out, " %s %s%s", + find_unique_abbrev(item->commit->object.sha1, abbrev), + stat.buf, sub); + strbuf_release(&stat); strbuf_release(&subject); - } else { - printf("%c %s%s%s\n", c, branch_get_color(color), item->name, - branch_get_color(COLOR_BRANCH_RESET)); } + printf("%s\n", out.buf); + strbuf_release(&name); + strbuf_release(&out); } static int calc_maxwidth(struct ref_list *refs) { - int i, l, w = 0; + int i, w = 0; for (i = 0; i < refs->index; i++) { if (!matches_merge_filter(refs->list[i].commit)) continue; - l = strlen(refs->list[i].name); - if (l > w) - w = l; + if (refs->list[i].len > w) + w = refs->list[i].len; } return w; } + +static void show_detached(struct ref_list *ref_list) +{ + struct commit *head_commit = lookup_commit_reference_gently(head_sha1, 1); + + if (head_commit && is_descendant_of(head_commit, ref_list->with_commit)) { + struct ref_item item; + item.name = xstrdup("(no branch)"); + item.len = strlen(item.name); + item.kind = REF_LOCAL_BRANCH; + item.dest = NULL; + item.commit = head_commit; + if (item.len > ref_list->maxwidth) + ref_list->maxwidth = item.len; + print_ref_item(&item, ref_list->maxwidth, ref_list->verbose, ref_list->abbrev, 1, ""); + free(item.name); + } +} + static void print_ref_list(int kinds, int detached, int verbose, int abbrev, struct commit_list *with_commit) { int i; struct ref_list ref_list; - struct commit *head_commit = lookup_commit_reference_gently(head_sha1, 1); memset(&ref_list, 0, sizeof(ref_list)); ref_list.kinds = kinds; + ref_list.verbose = verbose; + ref_list.abbrev = abbrev; ref_list.with_commit = with_commit; if (merge_filter != NO_FILTER) init_revisions(&ref_list.revs, NULL); - for_each_ref(append_ref, &ref_list); + for_each_rawref(append_ref, &ref_list); if (merge_filter != NO_FILTER) { struct commit *filter; filter = lookup_commit_reference_gently(merge_filter_ref, 0); @@ -403,23 +512,18 @@ static void print_ref_list(int kinds, int detached, int verbose, int abbrev, str qsort(ref_list.list, ref_list.index, sizeof(struct ref_item), ref_cmp); detached = (detached && (kinds & REF_LOCAL_BRANCH)); - if (detached && head_commit && has_commit(head_commit, with_commit)) { - struct ref_item item; - item.name = xstrdup("(no branch)"); - item.kind = REF_LOCAL_BRANCH; - item.commit = head_commit; - if (strlen(item.name) > ref_list.maxwidth) - ref_list.maxwidth = strlen(item.name); - print_ref_item(&item, ref_list.maxwidth, verbose, abbrev, 1); - free(item.name); - } + if (detached) + show_detached(&ref_list); for (i = 0; i < ref_list.index; i++) { int current = !detached && (ref_list.list[i].kind == REF_LOCAL_BRANCH) && !strcmp(ref_list.list[i].name, head); + char *prefix = (kinds != REF_REMOTE_BRANCH && + ref_list.list[i].kind == REF_REMOTE_BRANCH) + ? "remotes/" : ""; print_ref_item(&ref_list.list[i], ref_list.maxwidth, verbose, - abbrev, current); + abbrev, current, prefix); } free_ref_list(&ref_list); @@ -427,58 +531,53 @@ static void print_ref_list(int kinds, int detached, int verbose, int abbrev, str static void rename_branch(const char *oldname, const char *newname, int force) { - char oldref[PATH_MAX], newref[PATH_MAX], logmsg[PATH_MAX*2 + 100]; + struct strbuf oldref = STRBUF_INIT, newref = STRBUF_INIT, logmsg = STRBUF_INIT; unsigned char sha1[20]; - char oldsection[PATH_MAX], newsection[PATH_MAX]; + struct strbuf oldsection = STRBUF_INIT, newsection = STRBUF_INIT; + int recovery = 0; if (!oldname) die("cannot rename the current branch while not on any."); - if (snprintf(oldref, sizeof(oldref), "refs/heads/%s", oldname) > sizeof(oldref)) - die("Old branchname too long"); - - if (check_ref_format(oldref)) - die("Invalid branch name: %s", oldref); - - if (snprintf(newref, sizeof(newref), "refs/heads/%s", newname) > sizeof(newref)) - die("New branchname too long"); + if (strbuf_check_branch_ref(&oldref, oldname)) { + /* + * Bad name --- this could be an attempt to rename a + * ref that we used to allow to be created by accident. + */ + if (resolve_ref(oldref.buf, sha1, 1, NULL)) + recovery = 1; + else + die("Invalid branch name: '%s'", oldname); + } - if (check_ref_format(newref)) - die("Invalid branch name: %s", newref); + if (strbuf_check_branch_ref(&newref, newname)) + die("Invalid branch name: '%s'", newname); - if (resolve_ref(newref, sha1, 1, NULL) && !force) - die("A branch named '%s' already exists.", newname); + if (resolve_ref(newref.buf, sha1, 1, NULL) && !force) + die("A branch named '%s' already exists.", newref.buf + 11); - snprintf(logmsg, sizeof(logmsg), "Branch: renamed %s to %s", - oldref, newref); + strbuf_addf(&logmsg, "Branch: renamed %s to %s", + oldref.buf, newref.buf); - if (rename_ref(oldref, newref, logmsg)) + if (rename_ref(oldref.buf, newref.buf, logmsg.buf)) die("Branch rename failed"); + strbuf_release(&logmsg); + + if (recovery) + warning("Renamed a misnamed branch '%s' away", oldref.buf + 11); /* no need to pass logmsg here as HEAD didn't really move */ - if (!strcmp(oldname, head) && create_symref("HEAD", newref, NULL)) + if (!strcmp(oldname, head) && create_symref("HEAD", newref.buf, NULL)) die("Branch renamed to %s, but HEAD is not updated!", newname); - snprintf(oldsection, sizeof(oldsection), "branch.%s", oldref + 11); - snprintf(newsection, sizeof(newsection), "branch.%s", newref + 11); - if (git_config_rename_section(oldsection, newsection) < 0) + strbuf_addf(&oldsection, "branch.%s", oldref.buf + 11); + strbuf_release(&oldref); + strbuf_addf(&newsection, "branch.%s", newref.buf + 11); + strbuf_release(&newref); + if (git_config_rename_section(oldsection.buf, newsection.buf) < 0) die("Branch is renamed, but update of config-file failed"); -} - -static int opt_parse_with_commit(const struct option *opt, const char *arg, int unset) -{ - unsigned char sha1[20]; - struct commit *commit; - - if (!arg) - return -1; - if (get_sha1(arg, sha1)) - die("malformed object name %s", arg); - commit = lookup_commit_reference(sha1); - if (!commit) - die("no such commit %s", arg); - commit_list_insert(commit, opt->value); - return 0; + strbuf_release(&oldsection); + strbuf_release(&newsection); } static int opt_parse_merge_filter(const struct option *opt, const char *arg, int unset) @@ -507,22 +606,24 @@ int cmd_branch(int argc, const char **argv, const char *prefix) struct option options[] = { OPT_GROUP("Generic options"), OPT__VERBOSE(&verbose), - OPT_SET_INT( 0 , "track", &track, "set up tracking mode (see git-pull(1))", + OPT_SET_INT('t', "track", &track, "set up tracking mode (see git-pull(1))", BRANCH_TRACK_EXPLICIT), - OPT_BOOLEAN( 0 , "color", &branch_use_color, "use colored output"), + OPT_SET_INT( 0, "set-upstream", &track, "change upstream info", + BRANCH_TRACK_OVERRIDE), + OPT__COLOR(&branch_use_color, "use colored output"), OPT_SET_INT('r', NULL, &kinds, "act on remote-tracking branches", REF_REMOTE_BRANCH), { OPTION_CALLBACK, 0, "contains", &with_commit, "commit", "print only branches that contain the commit", PARSE_OPT_LASTARG_DEFAULT, - opt_parse_with_commit, (intptr_t)"HEAD", + parse_opt_with_commit, (intptr_t)"HEAD", }, { OPTION_CALLBACK, 0, "with", &with_commit, "commit", "print only branches that contain the commit", PARSE_OPT_HIDDEN | PARSE_OPT_LASTARG_DEFAULT, - opt_parse_with_commit, (intptr_t) "HEAD", + parse_opt_with_commit, (intptr_t) "HEAD", }, OPT__ABBREV(&abbrev), @@ -534,7 +635,7 @@ int cmd_branch(int argc, const char **argv, const char *prefix) OPT_BIT('m', NULL, &rename, "move/rename a branch and its reflog", 1), OPT_BIT('M', NULL, &rename, "move/rename a branch, even if target exists", 2), OPT_BOOLEAN('l', NULL, &reflog, "create the branch's reflog"), - OPT_BOOLEAN('f', NULL, &force_create, "force creation (when already exists)"), + OPT_BOOLEAN('f', "force", &force_create, "force creation (when already exists)"), { OPTION_CALLBACK, 0, "no-merged", &merge_filter_ref, "commit", "print only not merged branches", @@ -570,7 +671,8 @@ int cmd_branch(int argc, const char **argv, const char *prefix) } hashcpy(merge_filter_ref, head_sha1); - argc = parse_options(argc, argv, options, builtin_branch_usage, 0); + argc = parse_options(argc, argv, prefix, options, builtin_branch_usage, + 0); if (!!delete + !!rename + !!force_create > 1) usage_with_options(builtin_branch_usage, options); @@ -582,10 +684,12 @@ int cmd_branch(int argc, const char **argv, const char *prefix) rename_branch(head, argv[0], rename > 1); else if (rename && (argc == 2)) rename_branch(argv[0], argv[1], rename > 1); - else if (argc <= 2) + else if (argc <= 2) { + if (kinds != REF_LOCAL_BRANCH) + die("-a and -r options to 'git branch' do not make sense with a branch name"); create_branch(head, argv[0], (argc == 2) ? argv[1] : head, force_create, reflog, track); - else + } else usage_with_options(builtin_branch_usage, options); return 0; |