Merge branch 'kd/auto-col-with-pager-fix' into maint
[gitweb.git] / builtin / worktree.c
index 831fe058a53da95643b1a93038f576d5bffea7ef..7b9307aa588a70a47de4c53a380e165f90924ab9 100644 (file)
@@ -1,4 +1,5 @@
 #include "cache.h"
+#include "config.h"
 #include "builtin.h"
 #include "dir.h"
 #include "parse-options.h"
@@ -24,19 +25,22 @@ struct add_opts {
        int force;
        int detach;
        int checkout;
+       int keep_locked;
        const char *new_branch;
        int force_new_branch;
 };
 
 static int show_only;
 static int verbose;
-static unsigned long expire;
+static timestamp_t expire;
 
 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);
@@ -54,10 +58,26 @@ 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) {
@@ -106,8 +126,7 @@ static void prune_worktrees(void)
                        printf("%s\n", reason.buf);
                if (show_only)
                        continue;
-               strbuf_reset(&path);
-               strbuf_addstr(&path, git_path("worktrees/%s", d->d_name));
+               git_path_buf(&path, "worktrees/%s", d->d_name);
                ret = remove_dir_recursively(&path, 0);
                if (ret < 0 && errno == ENOTDIR)
                        ret = unlink(path.buf);
@@ -131,7 +150,7 @@ static int prune(int ac, const char **av, const char *prefix)
                OPT_END()
        };
 
-       expire = ULONG_MAX;
+       expire = TIME_MAX;
        ac = parse_options(ac, av, prefix, options, worktree_usage, 0);
        if (ac)
                usage_with_options(worktree_usage, options);
@@ -215,8 +234,7 @@ static int add_worktree(const char *path, const char *refname,
        }
 
        name = worktree_basename(path, &len);
-       strbuf_addstr(&sb_repo,
-                     git_path("worktrees/%.*s", (int)(path + len - name), name));
+       git_path_buf(&sb_repo, "worktrees/%.*s", (int)(path + len - name), name);
        len = sb_repo.len;
        if (safe_create_leading_directories_const(sb_repo.buf))
                die_errno(_("could not create leading directories of '%s'"),
@@ -242,7 +260,10 @@ static int add_worktree(const char *path, const char *refname,
         * after the preparation is over.
         */
        strbuf_addf(&sb, "%s/locked", sb_repo.buf);
-       write_file(sb.buf, "initializing");
+       if (!opts->keep_locked)
+               write_file(sb.buf, "initializing");
+       else
+               write_file(sb.buf, "added with --lock");
 
        strbuf_addf(&sb_git, "%s/.git", path);
        if (safe_create_leading_directories_const(sb_git.buf))
@@ -297,15 +318,15 @@ static int add_worktree(const char *path, const char *refname,
        }
 
        is_junk = 0;
-       free(junk_work_tree);
-       free(junk_git_dir);
-       junk_work_tree = NULL;
-       junk_git_dir = NULL;
+       FREE_AND_NULL(junk_work_tree);
+       FREE_AND_NULL(junk_git_dir);
 
 done:
-       strbuf_reset(&sb);
-       strbuf_addf(&sb, "%s/locked", sb_repo.buf);
-       unlink_or_warn(sb.buf);
+       if (ret || !opts->keep_locked) {
+               strbuf_reset(&sb);
+               strbuf_addf(&sb, "%s/locked", sb_repo.buf);
+               unlink_or_warn(sb.buf);
+       }
        argv_array_clear(&child_env);
        strbuf_release(&sb);
        strbuf_release(&symref);
@@ -318,7 +339,8 @@ static int add(int ac, const char **av, const char *prefix)
 {
        struct add_opts opts;
        const char *new_branch_force = NULL;
-       const char *path, *branch;
+       char *path;
+       const char *branch;
        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"),
@@ -327,6 +349,7 @@ static int add(int ac, const char **av, const char *prefix)
                           N_("create or reset a branch")),
                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_END()
        };
 
@@ -338,7 +361,7 @@ static int add(int ac, const char **av, const char *prefix)
        if (ac < 1 || ac > 2)
                usage_with_options(worktree_usage, options);
 
-       path = prefix_filename(prefix, strlen(prefix), av[0]);
+       path = prefix_filename(prefix, av[0]);
        branch = ac < 2 ? "HEAD" : av[1];
 
        if (!strcmp(branch, "-"))
@@ -376,6 +399,8 @@ static int add(int ac, const char **av, const char *prefix)
                branch = opts.new_branch;
        }
 
+       UNLEAK(path);
+       UNLEAK(opts);
        return add_worktree(path, branch, &opts);
 }
 
@@ -408,9 +433,11 @@ static void show_worktree(struct worktree *wt, int path_maxlen, int abbrev_len)
                                find_unique_abbrev(wt->head_sha1, DEFAULT_ABBREV));
                if (wt->is_detached)
                        strbuf_addstr(&sb, "(detached HEAD)");
-               else if (wt->head_ref)
-                       strbuf_addf(&sb, "[%s]", shorten_unambiguous_ref(wt->head_ref, 0));
-               else
+               else if (wt->head_ref) {
+                       char *ref = shorten_unambiguous_ref(wt->head_ref, 0);
+                       strbuf_addf(&sb, "[%s]", ref);
+                       free(ref);
+               } else
                        strbuf_addstr(&sb, "(error)");
        }
        printf("%s\n", sb.buf);