X-Git-Url: https://git.tokkee.org/?a=blobdiff_plain;f=builtin-branch.c;h=91098ca9b106239916af000cb54a4bf09629e6b6;hb=4481ff048df4c86021d783de6f099909495f04ff;hp=02fa38fd3b13b5c17aa23edbfd79f91a052adf76;hpb=f054a419419337142ffe40433aa3984ccc000624;p=git.git diff --git a/builtin-branch.c b/builtin-branch.c index 02fa38fd3..91098ca9b 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 { @@ -56,15 +56,15 @@ 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; + return BRANCH_COLOR_CURRENT; die("bad config variable '%s'", var); } @@ -99,6 +99,7 @@ static int delete_branches(int argc, const char **argv, int force, int kinds) const char *fmt, *remote; int i; int ret = 0; + struct strbuf bname = STRBUF_INIT; switch (kinds) { case REF_REMOTE_BRANCH: @@ -119,20 +120,21 @@ 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; } @@ -152,22 +154,23 @@ static int delete_branches(int argc, const char **argv, int force, int kinds) 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]); + "your current HEAD.\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, 0)) { error("Error deleting %sbranch '%s'", remote, - argv[i]); + bname.buf); ret = 1; } else { struct strbuf buf = STRBUF_INIT; - printf("Deleted %sbranch %s (%s).\n", remote, argv[i], - find_unique_abbrev(sha1, DEFAULT_ABBREV)); - strbuf_addf(&buf, "branch.%s", argv[i]); + 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); @@ -181,7 +184,8 @@ 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; }; @@ -193,19 +197,18 @@ struct ref_list { 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) @@ -213,17 +216,28 @@ 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 + 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; commit = lookup_commit_reference_gently(sha1, 1); @@ -231,7 +245,7 @@ static int append_ref(const char *refname, const unsigned char *sha1, int flags, 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)) + if (!is_descendant_of(commit, ref_list->with_commit)) return 0; /* Don't add types the caller doesn't want */ @@ -254,9 +268,14 @@ 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; } @@ -265,8 +284,10 @@ 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); } @@ -280,19 +301,30 @@ static int ref_cmp(const void *r1, const void *r2) return strcmp(c1->name, c2->name); } -static void fill_tracking_info(struct strbuf *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) - strbuf_addf(stat, "[behind %d] ", theirs); + strbuf_addf(stat, "behind %d] ", theirs); else if (!theirs) - strbuf_addf(stat, "[ahead %d] ", ours); + strbuf_addf(stat, "ahead %d] ", ours); else - strbuf_addf(stat, "[ahead %d, behind %d] ", ours, theirs); + strbuf_addf(stat, "ahead %d, behind %d] ", ours, theirs); } static int matches_merge_filter(struct commit *commit) @@ -307,34 +339,46 @@ 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) { + 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)); + + 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 ****"; @@ -346,30 +390,27 @@ static void print_ref_item(struct ref_item *item, int maxwidth, int verbose, } 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.buf, 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; } @@ -401,14 +442,17 @@ 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)) { + if (detached && head_commit && + is_descendant_of(head_commit, 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 (strlen(item.name) > ref_list.maxwidth) - ref_list.maxwidth = strlen(item.name); - print_ref_item(&item, ref_list.maxwidth, verbose, abbrev, 1); + if (item.len > ref_list.maxwidth) + ref_list.maxwidth = item.len; + print_ref_item(&item, ref_list.maxwidth, verbose, abbrev, 1, ""); free(item.name); } @@ -416,8 +460,11 @@ static void print_ref_list(int kinds, int detached, int verbose, int abbrev, str 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); @@ -428,22 +475,27 @@ static void rename_branch(const char *oldname, const char *newname, int force) struct strbuf oldref = STRBUF_INIT, newref = STRBUF_INIT, logmsg = STRBUF_INIT; unsigned char sha1[20]; struct strbuf oldsection = STRBUF_INIT, newsection = STRBUF_INIT; + int recovery = 0; if (!oldname) die("cannot rename the current branch while not on any."); - strbuf_addf(&oldref, "refs/heads/%s", oldname); - - if (check_ref_format(oldref.buf)) - die("Invalid branch name: %s", oldref.buf); - - strbuf_addf(&newref, "refs/heads/%s", newname); + 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.buf)) - die("Invalid branch name: %s", newref.buf); + if (strbuf_check_branch_ref(&newref, newname)) + die("Invalid branch name: '%s'", newname); if (resolve_ref(newref.buf, sha1, 1, NULL) && !force) - die("A branch named '%s' already exists.", newname); + die("A branch named '%s' already exists.", newref.buf + 11); strbuf_addf(&logmsg, "Branch: renamed %s to %s", oldref.buf, newref.buf); @@ -452,6 +504,9 @@ static void rename_branch(const char *oldname, const char *newname, int force) 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.buf, NULL)) die("Branch renamed to %s, but HEAD is not updated!", newname); @@ -466,22 +521,6 @@ static void rename_branch(const char *oldname, const char *newname, int force) strbuf_release(&newsection); } -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; -} - static int opt_parse_merge_filter(const struct option *opt, const char *arg, int unset) { merge_filter = ((opt->long_name[0] == 'n') @@ -517,13 +556,13 @@ int cmd_branch(int argc, const char **argv, const char *prefix) 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),