worktree: check the result of read_in_full()

diff --git a/git.c b/git.c
index 489aab4d83a1e222c3e5f3b3bd812b4f29ecd34f..f31dca69620ac244e87e04f1d508ee23cf2f92cf 100644 (file)
--- a/git.c
+++ b/git.c
@@ -33,6 +33,16 @@ static void commit_pager_choice(void) {
        }
 }
 
+void setup_auto_pager(const char *cmd, int def)
+{
+       if (use_pager != -1 || pager_in_use())
+               return;
+       use_pager = check_pager_config(cmd);
+       if (use_pager == -1)
+               use_pager = def;
+       commit_pager_choice();
+}
+
 static int handle_options(const char ***argv, int *argc, int *envchanged)
 {
        const char **orig_argv = *argv;
@@ -283,6 +293,7 @@ static int handle_alias(int *argcp, const char ***argv)
  */
 #define NEED_WORK_TREE         (1<<3)
 #define SUPPORT_SUPER_PREFIX   (1<<4)
+#define DELAY_PAGER_CONFIG     (1<<5)
 
 struct cmd_struct {
        const char *cmd;
@@ -306,7 +317,8 @@ static int run_builtin(struct cmd_struct *p, int argc, const char **argv)
                        prefix = setup_git_directory_gently(&nongit_ok);
                }
 
-               if (use_pager == -1 && p->option & (RUN_SETUP | RUN_SETUP_GENTLY))
+               if (use_pager == -1 && p->option & (RUN_SETUP | RUN_SETUP_GENTLY) &&
+                   !(p->option & DELAY_PAGER_CONFIG))
                        use_pager = check_pager_config(p->cmd);
                if (use_pager == -1 && p->option & USE_PAGER)
                        use_pager = 1;
@@ -392,7 +404,7 @@ static struct cmd_struct commands[] = {
        { "fsck-objects", cmd_fsck, RUN_SETUP },
        { "gc", cmd_gc, RUN_SETUP },
        { "get-tar-commit-id", cmd_get_tar_commit_id },
-       { "grep", cmd_grep, RUN_SETUP_GENTLY | SUPPORT_SUPER_PREFIX },
+       { "grep", cmd_grep, RUN_SETUP_GENTLY },
        { "hash-object", cmd_hash_object },
        { "help", cmd_help },
        { "index-pack", cmd_index_pack, RUN_SETUP_GENTLY },
@@ -454,7 +466,7 @@ static struct cmd_struct commands[] = {
        { "stripspace", cmd_stripspace },
        { "submodule--helper", cmd_submodule__helper, RUN_SETUP | SUPPORT_SUPER_PREFIX},
        { "symbolic-ref", cmd_symbolic_ref, RUN_SETUP },
-       { "tag", cmd_tag, RUN_SETUP },
+       { "tag", cmd_tag, RUN_SETUP | DELAY_PAGER_CONFIG },
        { "unpack-file", cmd_unpack_file, RUN_SETUP },
        { "unpack-objects", cmd_unpack_objects, RUN_SETUP },
        { "update-index", cmd_update_index, RUN_SETUP },
@@ -547,7 +559,7 @@ static void execv_dashed_external(const char **argv)
        if (get_super_prefix())
                die("%s doesn't support --super-prefix", argv[0]);
 
-       if (use_pager == -1)
+       if (use_pager == -1 && !is_builtin(argv[0]))
                use_pager = check_pager_config(argv[0]);
        commit_pager_choice();