diff options
Diffstat (limited to 'builtin/worktree.c')
-rw-r--r-- | builtin/worktree.c | 98 |
1 files changed, 85 insertions, 13 deletions
diff --git a/builtin/worktree.c b/builtin/worktree.c index de26849f55..7cef5b120b 100644 --- a/builtin/worktree.c +++ b/builtin/worktree.c @@ -1,4 +1,5 @@ #include "cache.h" +#include "checkout.h" #include "config.h" #include "builtin.h" #include "dir.h" @@ -32,13 +33,26 @@ struct add_opts { static int show_only; static int verbose; +static int guess_remote; static timestamp_t expire; +static int git_worktree_config(const char *var, const char *value, void *cb) +{ + if (!strcmp(var, "worktree.guessremote")) { + guess_remote = git_config_bool(var, value); + return 0; + } + + return git_default_config(var, value, cb); +} + static int prune_worktree(const char *id, struct strbuf *reason) { struct stat st; char *path; - int fd, len; + int fd; + size_t len; + ssize_t read_result; if (!is_directory(git_path("worktrees/%s", id))) { strbuf_addf(reason, _("Removing worktrees/%s: not a valid directory"), id); @@ -56,10 +70,26 @@ static int prune_worktree(const char *id, struct strbuf *reason) id, strerror(errno)); return 1; } - len = st.st_size; + len = xsize_t(st.st_size); path = xmallocz(len); - read_in_full(fd, path, len); + + read_result = read_in_full(fd, path, len); + if (read_result < 0) { + strbuf_addf(reason, _("Removing worktrees/%s: unable to read gitdir file (%s)"), + id, strerror(errno)); + close(fd); + free(path); + return 1; + } close(fd); + + if (read_result != len) { + strbuf_addf(reason, + _("Removing worktrees/%s: short read (expected %"PRIuMAX" bytes, read %"PRIuMAX")"), + id, (uintmax_t)len, (uintmax_t)read_result); + free(path); + return 1; + } while (len && (path[len - 1] == '\n' || path[len - 1] == '\r')) len--; if (!len) { @@ -200,20 +230,21 @@ static int add_worktree(const char *path, const char *refname, int counter = 0, len, ret; struct strbuf symref = STRBUF_INIT; struct commit *commit = NULL; + int is_branch = 0; if (file_exists(path) && !is_empty_dir(path)) die(_("'%s' already exists"), path); /* is 'refname' a branch or commit? */ if (!opts->detach && !strbuf_check_branch_ref(&symref, refname) && - ref_exists(symref.buf)) { /* it's a branch */ + ref_exists(symref.buf)) { + is_branch = 1; if (!opts->force) die_if_checked_out(symref.buf, 0); - } else { /* must be a commit */ - commit = lookup_commit_reference_by_name(refname); - if (!commit) - die(_("invalid reference: %s"), refname); } + commit = lookup_commit_reference_by_name(refname); + if (!commit) + die(_("invalid reference: %s"), refname); name = worktree_basename(path, &len); git_path_buf(&sb_repo, "worktrees/%.*s", (int)(path + len - name), name); @@ -278,7 +309,7 @@ static int add_worktree(const char *path, const char *refname, argv_array_pushf(&child_env, "%s=%s", GIT_WORK_TREE_ENVIRONMENT, path); cp.git_cmd = 1; - if (commit) + if (!is_branch) argv_array_pushl(&cp.args, "update-ref", "HEAD", oid_to_hex(&commit->object.oid), NULL); else @@ -309,6 +340,15 @@ done: strbuf_addf(&sb, "%s/locked", sb_repo.buf); unlink_or_warn(sb.buf); } + + /* + * Hook failure does not warrant worktree deletion, so run hook after + * is_junk is cleared, but do return appropriate code when hook fails. + */ + if (!ret && opts->checkout) + ret = run_hook_le(NULL, "post-checkout", oid_to_hex(&null_oid), + oid_to_hex(&commit->object.oid), "1", NULL); + argv_array_clear(&child_env); strbuf_release(&sb); strbuf_release(&symref); @@ -323,6 +363,7 @@ static int add(int ac, const char **av, const char *prefix) const char *new_branch_force = NULL; char *path; const char *branch; + const char *opt_track = NULL; struct option options[] = { OPT__FORCE(&opts.force, N_("checkout <branch> even if already checked out in other worktree")), OPT_STRING('b', NULL, &opts.new_branch, N_("branch"), @@ -332,6 +373,11 @@ static int add(int ac, const char **av, const char *prefix) OPT_BOOL(0, "detach", &opts.detach, N_("detach HEAD at named commit")), OPT_BOOL(0, "checkout", &opts.checkout, N_("populate the new working tree")), OPT_BOOL(0, "lock", &opts.keep_locked, N_("keep the new working tree locked")), + OPT_PASSTHRU(0, "track", &opt_track, NULL, + N_("set up tracking mode (see git-branch(1))"), + PARSE_OPT_NOARG | PARSE_OPT_OPTARG), + OPT_BOOL(0, "guess-remote", &guess_remote, + N_("try to match the new branch name with a remote-tracking branch")), OPT_END() }; @@ -366,6 +412,28 @@ static int add(int ac, const char **av, const char *prefix) int n; const char *s = worktree_basename(path, &n); opts.new_branch = xstrndup(s, n); + if (guess_remote) { + struct object_id oid; + const char *remote = + unique_tracking_name(opts.new_branch, &oid); + if (remote) + branch = remote; + } + } + + if (ac == 2 && !opts.new_branch && !opts.detach) { + struct object_id oid; + struct commit *commit; + const char *remote; + + commit = lookup_commit_reference_by_name(branch); + if (!commit) { + remote = unique_tracking_name(branch, &oid); + if (remote) { + opts.new_branch = branch; + branch = remote; + } + } } if (opts.new_branch) { @@ -376,9 +444,13 @@ static int add(int ac, const char **av, const char *prefix) argv_array_push(&cp.args, "--force"); argv_array_push(&cp.args, opts.new_branch); argv_array_push(&cp.args, branch); + if (opt_track) + argv_array_push(&cp.args, opt_track); if (run_command(&cp)) return -1; branch = opts.new_branch; + } else if (opt_track) { + die(_("--[no-]track can only be used if a new branch is created")); } UNLEAK(path); @@ -392,7 +464,7 @@ static void show_worktree_porcelain(struct worktree *wt) if (wt->is_bare) printf("bare\n"); else { - printf("HEAD %s\n", sha1_to_hex(wt->head_sha1)); + printf("HEAD %s\n", oid_to_hex(&wt->head_oid)); if (wt->is_detached) printf("detached\n"); else if (wt->head_ref) @@ -412,7 +484,7 @@ static void show_worktree(struct worktree *wt, int path_maxlen, int abbrev_len) strbuf_addstr(&sb, "(bare)"); else { strbuf_addf(&sb, "%-*s ", abbrev_len, - find_unique_abbrev(wt->head_sha1, DEFAULT_ABBREV)); + find_unique_abbrev(wt->head_oid.hash, DEFAULT_ABBREV)); if (wt->is_detached) strbuf_addstr(&sb, "(detached HEAD)"); else if (wt->head_ref) { @@ -437,7 +509,7 @@ static void measure_widths(struct worktree **wt, int *abbrev, int *maxlen) if (path_len > *maxlen) *maxlen = path_len; - sha1_len = strlen(find_unique_abbrev(wt[i]->head_sha1, *abbrev)); + sha1_len = strlen(find_unique_abbrev(wt[i]->head_oid.hash, *abbrev)); if (sha1_len > *abbrev) *abbrev = sha1_len; } @@ -539,7 +611,7 @@ int cmd_worktree(int ac, const char **av, const char *prefix) OPT_END() }; - git_config(git_default_config, NULL); + git_config(git_worktree_config, NULL); if (ac < 2) usage_with_options(worktree_usage, options); |