diff options
Diffstat (limited to 'builtin-branch.c')
-rw-r--r-- | builtin-branch.c | 592 |
1 files changed, 0 insertions, 592 deletions
diff --git a/builtin-branch.c b/builtin-branch.c deleted file mode 100644 index 4b4abfd363..0000000000 --- a/builtin-branch.c +++ /dev/null @@ -1,592 +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] = { - "\033[m", /* reset */ - "", /* PLAIN (normal) */ - "\033[31m", /* REMOTE (red) */ - "", /* LOCAL (normal) */ - "\033[32m", /* CURRENT (green) */ -}; -enum color_branch { - COLOR_BRANCH_RESET = 0, - COLOR_BRANCH_PLAIN = 1, - COLOR_BRANCH_REMOTE = 2, - COLOR_BRANCH_LOCAL = 3, - COLOR_BRANCH_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 COLOR_BRANCH_PLAIN; - if (!strcasecmp(var+ofs, "reset")) - return COLOR_BRANCH_RESET; - if (!strcasecmp(var+ofs, "remote")) - return COLOR_BRANCH_REMOTE; - if (!strcasecmp(var+ofs, "local")) - return COLOR_BRANCH_LOCAL; - if (!strcasecmp(var+ofs, "current")) - return COLOR_BRANCH_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; - char section[PATH_MAX]; - int i; - int ret = 0; - - 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++) { - if (kinds == REF_LOCAL_BRANCH && !strcmp(head, argv[i])) { - error("Cannot delete the branch '%s' " - "which you are currently on.", argv[i]); - ret = 1; - continue; - } - - free(name); - - name = xstrdup(mkpath(fmt, argv[i])); - if (!resolve_ref(name, sha1, 1, NULL)) { - error("%sbranch '%s' not found.", - remote, argv[i]); - 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'.", argv[i], argv[i]); - ret = 1; - continue; - } - - if (delete_ref(name, sha1, 0)) { - error("Error deleting %sbranch '%s'", remote, - argv[i]); - 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) - warning("Update of config-file failed"); - } - } - - free(name); - - return(ret); -} - -struct ref_item { - char *name; - unsigned int kind; - struct commit *commit; -}; - -struct ref_list { - struct rev_info revs; - int index, alloc, maxwidth; - struct ref_item *list; - struct commit_list *with_commit; - int kinds; -}; - -static int has_commit(struct commit *commit, struct commit_list *with_commit) -{ - 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; -} - -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; - int len; - - /* 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)) - 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); - - /* 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; - len = strlen(newitem->name); - if (len > ref_list->maxwidth) - ref_list->maxwidth = 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); -} - -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(char *stat, const char *branch_name) -{ - int ours, theirs; - struct branch *branch = branch_get(branch_name); - - if (!stat_tracking_info(branch, &ours, &theirs) || (!ours && !theirs)) - return; - if (!ours) - sprintf(stat, "[behind %d] ", theirs); - else if (!theirs) - sprintf(stat, "[ahead %d] ", ours); - else - sprintf(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 c; - int color; - struct commit *commit = item->commit; - - if (!matches_merge_filter(commit)) - return; - - switch (item->kind) { - case REF_LOCAL_BRANCH: - color = COLOR_BRANCH_LOCAL; - break; - case REF_REMOTE_BRANCH: - color = COLOR_BRANCH_REMOTE; - break; - default: - color = COLOR_BRANCH_PLAIN; - break; - } - - c = ' '; - if (current) { - c = '*'; - color = COLOR_BRANCH_CURRENT; - } - - if (verbose) { - struct strbuf subject; - const char *sub = " **** invalid ref ****"; - char stat[128]; - - strbuf_init(&subject, 0); - stat[0] = '\0'; - - 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); - - 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_release(&subject); - } else { - printf("%c %s%s%s\n", c, branch_get_color(color), item->name, - branch_get_color(COLOR_BRANCH_RESET)); - } -} - -static int calc_maxwidth(struct ref_list *refs) -{ - int i, l, 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; - } - return w; -} - -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.with_commit = with_commit; - if (merge_filter != NO_FILTER) - init_revisions(&ref_list.revs, NULL); - for_each_ref(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 && 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); - } - - 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); - print_ref_item(&ref_list.list[i], ref_list.maxwidth, verbose, - abbrev, current); - } - - free_ref_list(&ref_list); -} - -static void rename_branch(const char *oldname, const char *newname, int force) -{ - char oldref[PATH_MAX], newref[PATH_MAX], logmsg[PATH_MAX*2 + 100]; - unsigned char sha1[20]; - char oldsection[PATH_MAX], newsection[PATH_MAX]; - - 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 (check_ref_format(newref)) - die("Invalid branch name: %s", newref); - - if (resolve_ref(newref, sha1, 1, NULL) && !force) - die("A branch named '%s' already exists.", newname); - - snprintf(logmsg, sizeof(logmsg), "Branch: renamed %s to %s", - oldref, newref); - - if (rename_ref(oldref, newref, logmsg)) - die("Branch rename failed"); - - /* no need to pass logmsg here as HEAD didn't really move */ - if (!strcmp(oldname, head) && create_symref("HEAD", newref, 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) - 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; -} - -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( 0 , "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, - opt_parse_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", - }, - 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, 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; -} |