Merge branch 'jk/rev-parse-symbolic-parents-fix' into maint

diff --git a/git.c b/git.c
index f914490e149bc10806c78cf47ee82b81b122d84f..dce529fcbfd6e5d8526b0e88b43f6c568876ce9d 100644 (file)
--- a/git.c
+++ b/git.c
@@ -163,6 +163,20 @@ static int handle_options(const char ***argv, int *argc, int *envchanged)
                        setenv(GIT_WORK_TREE_ENVIRONMENT, cmd, 1);
                        if (envchanged)
                                *envchanged = 1;
+               } else if (!strcmp(cmd, "--super-prefix")) {
+                       if (*argc < 2) {
+                               fprintf(stderr, "No prefix given for --super-prefix.\n" );
+                               usage(git_usage_string);
+                       }
+                       setenv(GIT_SUPER_PREFIX_ENVIRONMENT, (*argv)[1], 1);
+                       if (envchanged)
+                               *envchanged = 1;
+                       (*argv)++;
+                       (*argc)--;
+               } else if (skip_prefix(cmd, "--super-prefix=", &cmd)) {
+                       setenv(GIT_SUPER_PREFIX_ENVIRONMENT, cmd, 1);
+                       if (envchanged)
+                               *envchanged = 1;
                } else if (!strcmp(cmd, "--bare")) {
                        char *cwd = xgetcwd();
                        is_bare_repository_cfg = 1;
@@ -309,6 +323,7 @@ static int handle_alias(int *argcp, const char ***argv)
  * RUN_SETUP for reading from the configuration file.
  */
 #define NEED_WORK_TREE         (1<<3)
+#define SUPPORT_SUPER_PREFIX   (1<<4)
 
 struct cmd_struct {
        const char *cmd;
@@ -343,6 +358,13 @@ static int run_builtin(struct cmd_struct *p, int argc, const char **argv)
        }
        commit_pager_choice();
 
+       if (!help && get_super_prefix()) {
+               if (!(p->option & SUPPORT_SUPER_PREFIX))
+                       die("%s doesn't support --super-prefix", p->cmd);
+               if (prefix)
+                       die("can't use --super-prefix from a subdirectory");
+       }
+
        if (!help && p->option & NEED_WORK_TREE)
                setup_work_tree();
 
@@ -374,7 +396,7 @@ static struct cmd_struct commands[] = {
        { "am", cmd_am, RUN_SETUP | NEED_WORK_TREE },
        { "annotate", cmd_annotate, RUN_SETUP },
        { "apply", cmd_apply, RUN_SETUP_GENTLY },
-       { "archive", cmd_archive },
+       { "archive", cmd_archive, RUN_SETUP_GENTLY },
        { "bisect--helper", cmd_bisect__helper, RUN_SETUP },
        { "blame", cmd_blame, RUN_SETUP },
        { "branch", cmd_branch, RUN_SETUP },
@@ -420,10 +442,10 @@ static struct cmd_struct commands[] = {
        { "init-db", cmd_init_db },
        { "interpret-trailers", cmd_interpret_trailers, RUN_SETUP_GENTLY },
        { "log", cmd_log, RUN_SETUP },
-       { "ls-files", cmd_ls_files, RUN_SETUP },
+       { "ls-files", cmd_ls_files, RUN_SETUP | SUPPORT_SUPER_PREFIX },
        { "ls-remote", cmd_ls_remote, RUN_SETUP_GENTLY },
        { "ls-tree", cmd_ls_tree, RUN_SETUP },
-       { "mailinfo", cmd_mailinfo },
+       { "mailinfo", cmd_mailinfo, RUN_SETUP_GENTLY },
        { "mailsplit", cmd_mailsplit },
        { "merge", cmd_merge, RUN_SETUP | NEED_WORK_TREE },
        { "merge-base", cmd_merge_base, RUN_SETUP },
@@ -443,7 +465,7 @@ static struct cmd_struct commands[] = {
        { "pack-objects", cmd_pack_objects, RUN_SETUP },
        { "pack-redundant", cmd_pack_redundant, RUN_SETUP },
        { "pack-refs", cmd_pack_refs, RUN_SETUP },
-       { "patch-id", cmd_patch_id },
+       { "patch-id", cmd_patch_id, RUN_SETUP_GENTLY },
        { "pickaxe", cmd_blame, RUN_SETUP },
        { "prune", cmd_prune, RUN_SETUP },
        { "prune-packed", cmd_prune_packed, RUN_SETUP },
@@ -521,21 +543,34 @@ static void strip_extension(const char **argv)
 
 static void handle_builtin(int argc, const char **argv)
 {
+       struct argv_array args = ARGV_ARRAY_INIT;
        const char *cmd;
        struct cmd_struct *builtin;
 
        strip_extension(argv);
        cmd = argv[0];
 
-       /* Turn "git cmd --help" into "git help cmd" */
+       /* Turn "git cmd --help" into "git help --exclude-guides cmd" */
        if (argc > 1 && !strcmp(argv[1], "--help")) {
+               int i;
+
                argv[1] = argv[0];
                argv[0] = cmd = "help";
+
+               for (i = 0; i < argc; i++) {
+                       argv_array_push(&args, argv[i]);
+                       if (!i)
+                               argv_array_push(&args, "--exclude-guides");
+               }
+
+               argc++;
+               argv = args.argv;
        }
 
        builtin = get_builtin(cmd);
        if (builtin)
                exit(run_builtin(builtin, argc, argv));
+       argv_array_clear(&args);
 }
 
 static void execv_dashed_external(const char **argv)
@@ -544,6 +579,9 @@ static void execv_dashed_external(const char **argv)
        const char *tmp;
        int status;
 
+       if (get_super_prefix())
+               die("%s doesn't support --super-prefix", argv[0]);
+
        if (use_pager == -1)
                use_pager = check_pager_config(argv[0]);
        commit_pager_choice();
@@ -616,6 +654,11 @@ int cmd_main(int argc, const char **argv)
        cmd = argv[0];
        if (!cmd)
                cmd = "git-help";
+       else {
+               const char *slash = find_last_dir_sep(cmd);
+               if (slash)
+                       cmd = slash + 1;
+       }
 
        trace_command_performance(argv);