push: add shorthand for --force-with-lease branch creation

diff --git a/setup.c b/setup.c
index 2e9cc73af05cf625d345684e1e1ee57f001844af..de1a2a7ea5973fef256328a26730117466c15172 100644 (file)
--- a/setup.c
+++ b/setup.c
@@ -5,6 +5,7 @@
 static int inside_git_dir = -1;
 static int inside_work_tree = -1;
 static int work_tree_config_is_bogus;
+static struct string_list unknown_extensions = STRING_LIST_INIT_DUP;
 
 /*
  * The input parameter must contain an absolute path, and it must already be
@@ -87,7 +88,7 @@ char *prefix_path_gently(const char *prefix, int len,
        const char *orig = path;
        char *sanitized;
        if (is_absolute_path(orig)) {
-               sanitized = xmalloc(strlen(path) + 1);
+               sanitized = xmallocz(strlen(path));
                if (remaining_prefix)
                        *remaining_prefix = 0;
                if (normalize_path_copy_len(sanitized, path, remaining_prefix)) {
@@ -138,9 +139,7 @@ int check_filename(const char *prefix, const char *arg)
                if (arg[2] == '\0') /* ":/" is root dir, always exists */
                        return 1;
                name = arg + 2;
-       } else if (!no_wildcard(arg))
-               return 1;
-       else if (prefix)
+       } else if (prefix)
                name = prefix_filename(prefix, strlen(prefix), arg);
        else
                name = arg;
@@ -201,7 +200,7 @@ void verify_filename(const char *prefix,
 {
        if (*arg == '-')
                die("bad flag '%s' used after filename", arg);
-       if (check_filename(prefix, arg))
+       if (check_filename(prefix, arg) || !no_wildcard(arg))
                return;
        die_verify_filename(prefix, arg, diagnose_misspelt_rev);
 }
@@ -311,6 +310,23 @@ int is_git_directory(const char *suspect)
        return ret;
 }
 
+int is_nonbare_repository_dir(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;
+       strbuf_setlen(path, orig_path_len);
+       return ret;
+}
+
 int is_inside_git_dir(void)
 {
        if (inside_git_dir < 0)
@@ -356,10 +372,25 @@ void setup_work_tree(void)
 
 static int check_repo_format(const char *var, const char *value, void *cb)
 {
+       const char *ext;
+
        if (strcmp(var, "core.repositoryformatversion") == 0)
                repository_format_version = git_config_int(var, value);
        else if (strcmp(var, "core.sharedrepository") == 0)
                shared_repository = git_config_perm(var, value);
+       else if (skip_prefix(var, "extensions.", &ext)) {
+               /*
+                * record any known extensions here; otherwise,
+                * we fall through to recording it as unknown, and
+                * check_repository_format will complain
+                */
+               if (!strcmp(ext, "noop"))
+                       ;
+               else if (!strcmp(ext, "preciousobjects"))
+                       repository_format_precious_objects = git_config_bool(var, value);
+               else
+                       string_list_append(&unknown_extensions, ext);
+       }
        return 0;
 }
 
@@ -370,6 +401,8 @@ static int check_repository_format_gently(const char *gitdir, int *nongit_ok)
        config_fn_t fn;
        int ret = 0;
 
+       string_list_clear(&unknown_extensions, 0);
+
        if (get_common_dir(&sb, gitdir))
                fn = check_repo_format;
        else
@@ -387,16 +420,31 @@ static int check_repository_format_gently(const char *gitdir, int *nongit_ok)
         * is a good one.
         */
        git_config_early(fn, NULL, repo_config);
-       if (GIT_REPO_VERSION < repository_format_version) {
+       if (GIT_REPO_VERSION_READ < repository_format_version) {
                if (!nongit_ok)
                        die ("Expected git repo version <= %d, found %d",
-                            GIT_REPO_VERSION, repository_format_version);
+                            GIT_REPO_VERSION_READ, repository_format_version);
                warning("Expected git repo version <= %d, found %d",
-                       GIT_REPO_VERSION, repository_format_version);
+                       GIT_REPO_VERSION_READ, repository_format_version);
                warning("Please upgrade Git");
                *nongit_ok = -1;
                ret = -1;
        }
+
+       if (repository_format_version >= 1 && unknown_extensions.nr) {
+               int i;
+
+               if (!nongit_ok)
+                       die("unknown repository extension: %s",
+                           unknown_extensions.items[0].string);
+
+               for (i = 0; i < unknown_extensions.nr; i++)
+                       warning("unknown repository extension: %s",
+                               unknown_extensions.items[i].string);
+               *nongit_ok = -1;
+               ret = -1;
+       }
+
        strbuf_release(&sb);
        return ret;
 }
@@ -438,14 +486,13 @@ const char *read_gitfile_gently(const char *path, int *return_error_code)
                error_code = READ_GITFILE_ERR_OPEN_FAILED;
                goto cleanup_return;
        }
-       buf = xmalloc(st.st_size + 1);
+       buf = xmallocz(st.st_size);
        len = read_in_full(fd, buf, st.st_size);
        close(fd);
        if (len != st.st_size) {
                error_code = READ_GITFILE_ERR_READ_FAILED;
                goto cleanup_return;
        }
-       buf[len] = '\0';
        if (!starts_with(buf, "gitdir: ")) {
                error_code = READ_GITFILE_ERR_INVALID_FORMAT;
                goto cleanup_return;