branch -d: refuse deleting a branch which is currently checked out

diff --git a/builtin/clean.c b/builtin/clean.c
index d7acb94a9594563b1473ecac29bd5de9a5e8a55a..fb1824ce951b62e51fb7205424e1496c50c700c6 100644 (file)
--- a/builtin/clean.c
+++ b/builtin/clean.c
@@ -147,30 +147,6 @@ static int exclude_cb(const struct option *opt, const char *arg, int unset)
        return 0;
 }
 
-/*
- * Return 1 if the given path is the root of a git repository or
- * submodule else 0. Will not return 1 for bare repositories with the
- * exception of creating a bare repository in "foo/.git" and calling
- * is_git_repository("foo").
- */
-static int is_git_repository(struct strbuf *path)
-{
-       int ret = 0;
-       int gitfile_error;
-       size_t orig_path_len = path->len;
-       assert(orig_path_len != 0);
-       strbuf_complete(path, '/');
-       strbuf_addstr(path, ".git");
-       if (read_gitfile_gently(path->buf, &gitfile_error) || is_git_directory(path->buf))
-               ret = 1;
-       if (gitfile_error == READ_GITFILE_ERR_OPEN_FAILED ||
-           gitfile_error == READ_GITFILE_ERR_READ_FAILED)
-               ret = 1;  /* This could be a real .git file, take the
-                          * safe option and avoid cleaning */
-       strbuf_setlen(path, orig_path_len);
-       return ret;
-}
-
 static int remove_dirs(struct strbuf *path, const char *prefix, int force_flag,
                int dry_run, int quiet, int *dir_gone)
 {
@@ -182,7 +158,7 @@ static int remove_dirs(struct strbuf *path, const char *prefix, int force_flag,
 
        *dir_gone = 1;
 
-       if ((force_flag & REMOVE_DIR_KEEP_NESTED_GIT) && is_git_repository(path)) {
+       if ((force_flag & REMOVE_DIR_KEEP_NESTED_GIT) && is_nonbare_repository_dir(path)) {
                if (!quiet) {
                        quote_path_relative(path->buf, prefix, &quoted);
                        printf(dry_run ?  _(msg_would_skip_git_dir) : _(msg_skip_git_dir),
@@ -567,7 +543,7 @@ static int *list_and_choose(struct menu_opts *opts, struct menu_stuff *stuff)
        int eof = 0;
        int i;
 
-       chosen = xmalloc(sizeof(int) * stuff->nr);
+       ALLOC_ARRAY(chosen, stuff->nr);
        /* set chosen as uninitialized */
        for (i = 0; i < stuff->nr; i++)
                chosen[i] = -1;
@@ -639,7 +615,7 @@ static int *list_and_choose(struct menu_opts *opts, struct menu_stuff *stuff)
                                nr += chosen[i];
                }
 
-               result = xcalloc(nr + 1, sizeof(int));
+               result = xcalloc(st_add(nr, 1), sizeof(int));
                for (i = 0; i < stuff->nr && j < nr; i++) {
                        if (chosen[i])
                                result[j++] = i;