diff options
Diffstat (limited to 'builtin-branch.c')
-rw-r--r-- | builtin-branch.c | 645 |
1 files changed, 0 insertions, 645 deletions
diff --git a/builtin-branch.c b/builtin-branch.c deleted file mode 100644 index 1a03d5f356..0000000000 --- a/builtin-branch.c +++ /dev/null @@ -1,645 +0,0 @@ -/* - * Builtin "git branch" - * - * Copyright (c) 2006 Kristian Høgsberg <krh@redhat.com> - * Based on git-branch.sh by Junio C Hamano. - */ - -#include "cache.h" -#include "color.h" -#include "refs.h" -#include "commit.h" -#include "builtin.h" -#include "remote.h" -#include "parse-options.h" -#include "branch.h" -#include "diff.h" -#include "revision.h" - -static const char * const builtin_branch_usage[] = { - "git branch [options] [-r | -a] [--merged | --no-merged]", - "git branch [options] [-l] [-f] <branchname> [<start-point>]", - "git branch [options] [-r] (-d | -D) <branchname>", - "git branch [options] (-m | -M) [<oldbranch>] <newbranch>", - NULL -}; - -#define REF_LOCAL_BRANCH 0x01 -#define REF_REMOTE_BRANCH 0x02 - -static const char *head; -static unsigned char head_sha1[20]; - -static int branch_use_color = -1; -static char branch_colors[][COLOR_MAXLEN] = { - GIT_COLOR_RESET, - GIT_COLOR_NORMAL, /* PLAIN */ - GIT_COLOR_RED, /* REMOTE */ - GIT_COLOR_NORMAL, /* LOCAL */ - GIT_COLOR_GREEN, /* CURRENT */ -}; -enum color_branch { - BRANCH_COLOR_RESET = 0, - BRANCH_COLOR_PLAIN = 1, - BRANCH_COLOR_REMOTE = 2, - BRANCH_COLOR_LOCAL = 3, - BRANCH_COLOR_CURRENT = 4, -}; - -static enum merge_filter { - NO_FILTER = 0, - SHOW_NOT_MERGED, - SHOW_MERGED, -} merge_filter; -static unsigned char merge_filter_ref[20]; - -static int parse_branch_color_slot(const char *var, int ofs) -{ - if (!strcasecmp(var+ofs, "plain")) - return BRANCH_COLOR_PLAIN; - if (!strcasecmp(var+ofs, "reset")) - return BRANCH_COLOR_RESET; - if (!strcasecmp(var+ofs, "remote")) - return BRANCH_COLOR_REMOTE; - if (!strcasecmp(var+ofs, "local")) - return BRANCH_COLOR_LOCAL; - if (!strcasecmp(var+ofs, "current")) - return BRANCH_COLOR_CURRENT; - die("bad config variable '%s'", var); -} - -static int git_branch_config(const char *var, const char *value, void *cb) -{ - if (!strcmp(var, "color.branch")) { - branch_use_color = git_config_colorbool(var, value, -1); - return 0; - } - if (!prefixcmp(var, "color.branch.")) { - int slot = parse_branch_color_slot(var, 13); - if (!value) - return config_error_nonbool(var); - color_parse(value, var, branch_colors[slot]); - return 0; - } - return git_color_default_config(var, value, cb); -} - -static const char *branch_get_color(enum color_branch ix) -{ - if (branch_use_color > 0) - return branch_colors[ix]; - return ""; -} - -static int delete_branches(int argc, const char **argv, int force, int kinds) -{ - struct commit *rev, *head_rev = head_rev; - unsigned char sha1[20]; - char *name = NULL; - const char *fmt, *remote; - int i; - int ret = 0; - struct strbuf bname = STRBUF_INIT; - - switch (kinds) { - case REF_REMOTE_BRANCH: - fmt = "refs/remotes/%s"; - remote = "remote "; - force = 1; - break; - case REF_LOCAL_BRANCH: - fmt = "refs/heads/%s"; - remote = ""; - break; - default: - die("cannot use -a with -d"); - } - - if (!force) { - head_rev = lookup_commit_reference(head_sha1); - if (!head_rev) - die("Couldn't look up commit object for HEAD"); - } - 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.", bname.buf); - ret = 1; - continue; - } - - free(name); - - name = xstrdup(mkpath(fmt, bname.buf)); - if (!resolve_ref(name, sha1, 1, NULL)) { - error("%sbranch '%s' not found.", - remote, bname.buf); - ret = 1; - continue; - } - - rev = lookup_commit_reference(sha1); - if (!rev) { - error("Couldn't look up commit object for '%s'", name); - ret = 1; - 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'.", bname.buf, bname.buf); - ret = 1; - continue; - } - - if (delete_ref(name, sha1, 0)) { - error("Error deleting %sbranch '%s'", remote, - bname.buf); - ret = 1; - } else { - 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); - } - } - - free(name); - - return(ret); -} - -struct ref_item { - char *name; - char *dest; - unsigned int kind, len; - struct commit *commit; -}; - -struct ref_list { - struct rev_info revs; - int index, alloc, maxwidth, verbose, abbrev; - struct ref_item *list; - struct commit_list *with_commit; - int kinds; -}; - -static char *resolve_symref(const char *src, const char *prefix) -{ - 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) -{ - struct ref_list *ref_list = (struct ref_list*)(cb_data); - struct ref_item *newitem; - struct commit *commit; - 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 */ - 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; - - 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) { - ref_list->alloc = alloc_nr(ref_list->alloc); - ref_list->list = xrealloc(ref_list->list, - ref_list->alloc * sizeof(struct ref_item)); - } - - /* Record the new item */ - newitem = &(ref_list->list[ref_list->index++]); - newitem->name = xstrdup(refname); - newitem->kind = kind; - newitem->commit = commit; - 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; -} - -static void free_ref_list(struct ref_list *ref_list) -{ - int 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); -} - -static int ref_cmp(const void *r1, const void *r2) -{ - struct ref_item *c1 = (struct ref_item *)(r1); - struct ref_item *c2 = (struct ref_item *)(r2); - - if (c1->kind != c2->kind) - return c1->kind - c2->kind; - return strcmp(c1->name, c2->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)) { - 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); - else if (!theirs) - strbuf_addf(stat, "ahead %d] ", ours); - else - strbuf_addf(stat, "ahead %d, behind %d] ", ours, theirs); -} - -static int matches_merge_filter(struct commit *commit) -{ - int is_merged; - - if (merge_filter == NO_FILTER) - return 1; - - is_merged = !!(commit->object.flags & UNINTERESTING); - return (is_merged == (merge_filter == SHOW_MERGED)); -} - -static void print_ref_item(struct ref_item *item, int maxwidth, int verbose, - 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 = BRANCH_COLOR_LOCAL; - break; - case REF_REMOTE_BRANCH: - color = BRANCH_COLOR_REMOTE; - break; - default: - color = BRANCH_COLOR_PLAIN; - break; - } - - c = ' '; - if (current) { - c = '*'; - color = BRANCH_COLOR_CURRENT; - } - - 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 ****"; - - commit = item->commit; - if (commit && !parse_commit(commit)) { - pretty_print_commit(CMIT_FMT_ONELINE, commit, - &subject, 0, NULL, NULL, 0, 0); - sub = subject.buf; - } - - if (item->kind == REF_LOCAL_BRANCH) - fill_tracking_info(&stat, item->name, verbose > 1); - - strbuf_addf(&out, " %s %s%s", - find_unique_abbrev(item->commit->object.sha1, abbrev), - stat.buf, sub); - strbuf_release(&stat); - strbuf_release(&subject); - } - printf("%s\n", out.buf); - strbuf_release(&name); - strbuf_release(&out); -} - -static int calc_maxwidth(struct ref_list *refs) -{ - int i, w = 0; - for (i = 0; i < refs->index; i++) { - if (!matches_merge_filter(refs->list[i].commit)) - continue; - 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; - - 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_rawref(append_ref, &ref_list); - if (merge_filter != NO_FILTER) { - struct commit *filter; - filter = lookup_commit_reference_gently(merge_filter_ref, 0); - filter->object.flags |= UNINTERESTING; - add_pending_object(&ref_list.revs, - (struct object *) filter, ""); - ref_list.revs.limited = 1; - prepare_revision_walk(&ref_list.revs); - if (verbose) - ref_list.maxwidth = calc_maxwidth(&ref_list); - } - - qsort(ref_list.list, ref_list.index, sizeof(struct ref_item), ref_cmp); - - detached = (detached && (kinds & REF_LOCAL_BRANCH)); - 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, prefix); - } - - free_ref_list(&ref_list); -} - -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."); - - 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 (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.", newref.buf + 11); - - strbuf_addf(&logmsg, "Branch: renamed %s to %s", - oldref.buf, newref.buf); - - 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.buf, NULL)) - die("Branch renamed to %s, but HEAD is not updated!", newname); - - 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"); - strbuf_release(&oldsection); - strbuf_release(&newsection); -} - -static int opt_parse_merge_filter(const struct option *opt, const char *arg, int unset) -{ - merge_filter = ((opt->long_name[0] == 'n') - ? SHOW_NOT_MERGED - : SHOW_MERGED); - if (unset) - merge_filter = SHOW_NOT_MERGED; /* b/c for --no-merged */ - if (!arg) - arg = "HEAD"; - if (get_sha1(arg, merge_filter_ref)) - die("malformed object name %s", arg); - return 0; -} - -int cmd_branch(int argc, const char **argv, const char *prefix) -{ - int delete = 0, rename = 0, force_create = 0; - int verbose = 0, abbrev = DEFAULT_ABBREV, detached = 0; - int reflog = 0; - enum branch_track track; - int kinds = REF_LOCAL_BRANCH; - struct commit_list *with_commit = NULL; - - struct option options[] = { - OPT_GROUP("Generic options"), - OPT__VERBOSE(&verbose), - 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('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, - 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, - parse_opt_with_commit, (intptr_t) "HEAD", - }, - OPT__ABBREV(&abbrev), - - OPT_GROUP("Specific git-branch actions:"), - OPT_SET_INT('a', NULL, &kinds, "list both remote-tracking and local branches", - REF_REMOTE_BRANCH | REF_LOCAL_BRANCH), - OPT_BIT('d', NULL, &delete, "delete fully merged branch", 1), - OPT_BIT('D', NULL, &delete, "delete branch (even if not merged)", 2), - 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)"), - { - OPTION_CALLBACK, 0, "no-merged", &merge_filter_ref, - "commit", "print only not merged branches", - PARSE_OPT_LASTARG_DEFAULT | PARSE_OPT_NONEG, - opt_parse_merge_filter, (intptr_t) "HEAD", - }, - { - OPTION_CALLBACK, 0, "merged", &merge_filter_ref, - "commit", "print only merged branches", - PARSE_OPT_LASTARG_DEFAULT | PARSE_OPT_NONEG, - opt_parse_merge_filter, (intptr_t) "HEAD", - }, - OPT_END(), - }; - - git_config(git_branch_config, NULL); - - if (branch_use_color == -1) - branch_use_color = git_use_color_default; - - track = git_branch_track; - - head = resolve_ref("HEAD", head_sha1, 0, NULL); - if (!head) - die("Failed to resolve HEAD as a valid ref."); - head = xstrdup(head); - if (!strcmp(head, "HEAD")) { - detached = 1; - } else { - if (prefixcmp(head, "refs/heads/")) - die("HEAD not found below refs/heads!"); - head += 11; - } - hashcpy(merge_filter_ref, head_sha1); - - argc = parse_options(argc, argv, prefix, options, builtin_branch_usage, - 0); - if (!!delete + !!rename + !!force_create > 1) - usage_with_options(builtin_branch_usage, options); - - if (delete) - return delete_branches(argc, argv, delete > 1, kinds); - else if (argc == 0) - print_ref_list(kinds, detached, verbose, abbrev, with_commit); - else if (rename && (argc == 1)) - rename_branch(head, argv[0], rename > 1); - else if (rename && (argc == 2)) - rename_branch(argv[0], argv[1], rename > 1); - else if (argc <= 2) - create_branch(head, argv[0], (argc == 2) ? argv[1] : head, - force_create, reflog, track); - else - usage_with_options(builtin_branch_usage, options); - - return 0; -} |