Merge branch 'jk/abort-clone-with-existing-dest' into maint

diff --git a/builtin/clone.c b/builtin/clone.c
index 2da71db10752bf95647052dcd5b7c4b28e7a50ac..284651797e5402c9f7ef85003d7d1c4ea944e2d7 100644 (file)
--- a/builtin/clone.c
+++ b/builtin/clone.c
@@ -473,7 +473,9 @@ static void clone_local(const char *src_repo, const char *dest_repo)
 }
 
 static const char *junk_work_tree;
+static int junk_work_tree_flags;
 static const char *junk_git_dir;
+static int junk_git_dir_flags;
 static enum {
        JUNK_LEAVE_NONE,
        JUNK_LEAVE_REPO,
@@ -502,12 +504,12 @@ static void remove_junk(void)
 
        if (junk_git_dir) {
                strbuf_addstr(&sb, junk_git_dir);
-               remove_dir_recursively(&sb, 0);
+               remove_dir_recursively(&sb, junk_git_dir_flags);
                strbuf_reset(&sb);
        }
        if (junk_work_tree) {
                strbuf_addstr(&sb, junk_work_tree);
-               remove_dir_recursively(&sb, 0);
+               remove_dir_recursively(&sb, junk_work_tree_flags);
        }
        strbuf_release(&sb);
 }
@@ -863,10 +865,15 @@ static void dissociate_from_references(void)
        free(alternates);
 }
 
+static int dir_exists(const char *path)
+{
+       struct stat sb;
+       return !stat(path, &sb);
+}
+
 int cmd_clone(int argc, const char **argv, const char *prefix)
 {
        int is_bundle = 0, is_local;
-       struct stat buf;
        const char *repo_name, *repo, *work_tree, *git_dir;
        char *path, *dir;
        int dest_exists;
@@ -938,7 +945,7 @@ int cmd_clone(int argc, const char **argv, const char *prefix)
                dir = guess_dir_name(repo_name, is_bundle, option_bare);
        strip_trailing_slashes(dir);
 
-       dest_exists = !stat(dir, &buf);
+       dest_exists = dir_exists(dir);
        if (dest_exists && !is_empty_dir(dir))
                die(_("destination path '%s' already exists and is not "
                        "an empty directory."), dir);
@@ -949,7 +956,7 @@ int cmd_clone(int argc, const char **argv, const char *prefix)
                work_tree = NULL;
        else {
                work_tree = getenv("GIT_WORK_TREE");
-               if (work_tree && !stat(work_tree, &buf))
+               if (work_tree && dir_exists(work_tree))
                        die(_("working tree '%s' already exists."), work_tree);
        }
 
@@ -967,14 +974,24 @@ int cmd_clone(int argc, const char **argv, const char *prefix)
                if (safe_create_leading_directories_const(work_tree) < 0)
                        die_errno(_("could not create leading directories of '%s'"),
                                  work_tree);
-               if (!dest_exists && mkdir(work_tree, 0777))
+               if (dest_exists)
+                       junk_work_tree_flags |= REMOVE_DIR_KEEP_TOPLEVEL;
+               else if (mkdir(work_tree, 0777))
                        die_errno(_("could not create work tree dir '%s'"),
                                  work_tree);
                junk_work_tree = work_tree;
                set_git_work_tree(work_tree);
        }
 
-       junk_git_dir = real_git_dir ? real_git_dir : git_dir;
+       if (real_git_dir) {
+               if (dir_exists(real_git_dir))
+                       junk_git_dir_flags |= REMOVE_DIR_KEEP_TOPLEVEL;
+               junk_git_dir = real_git_dir;
+       } else {
+               if (dest_exists)
+                       junk_git_dir_flags |= REMOVE_DIR_KEEP_TOPLEVEL;
+               junk_git_dir = git_dir;
+       }
        if (safe_create_leading_directories_const(git_dir) < 0)
                die(_("could not create leading directories of '%s'"), git_dir);