bash prompt: print unique detached HEAD abbreviated object name

diff --git a/git.c b/git.c
index b10c18b0419904631d7e8fa4a1fd11e8533b3034..4359086fd6c47f1bfc3fc408b7bc986517eea9a0 100644 (file)
--- a/git.c
+++ b/git.c
@@ -4,16 +4,19 @@
 #include "help.h"
 #include "quote.h"
 #include "run-command.h"
+#include "commit.h"
 
 const char git_usage_string[] =
-       "git [--version] [--exec-path[=<path>]] [--html-path] [--man-path] [--info-path]\n"
+       "git [--version] [--help] [-c name=value]\n"
+       "           [--exec-path[=<path>]] [--html-path] [--man-path] [--info-path]\n"
        "           [-p|--paginate|--no-pager] [--no-replace-objects] [--bare]\n"
        "           [--git-dir=<path>] [--work-tree=<path>] [--namespace=<name>]\n"
-       "           [-c name=value] [--help]\n"
        "           <command> [<args>]";
 
 const char git_more_info_string[] =
-       N_("See 'git help <command>' for more information on a specific command.");
+       N_("'git help -a' and 'git help -g' lists available subcommands and some\n"
+          "concept guides. See 'git help <command>' or 'git help <concept>'\n"
+          "to read about a specific subcommand or concept.");
 
 static struct startup_info git_startup_info;
 static int use_pager = -1;
@@ -125,6 +128,7 @@ static int handle_options(const char ***argv, int *argc, int *envchanged)
                        static char git_dir[PATH_MAX+1];
                        is_bare_repository_cfg = 1;
                        setenv(GIT_DIR_ENVIRONMENT, getcwd(git_dir, sizeof(git_dir)), 0);
+                       setenv(GIT_IMPLICIT_WORK_TREE_ENVIRONMENT, "0", 1);
                        if (envchanged)
                                *envchanged = 1;
                } else if (!strcmp(cmd, "-c")) {
@@ -143,6 +147,12 @@ static int handle_options(const char ***argv, int *argc, int *envchanged)
                        setenv(GIT_LITERAL_PATHSPECS_ENVIRONMENT, "0", 1);
                        if (envchanged)
                                *envchanged = 1;
+               } else if (!strcmp(cmd, "--shallow-file")) {
+                       (*argv)++;
+                       (*argc)--;
+                       set_alternate_shallow_file((*argv)[0]);
+                       if (envchanged)
+                               *envchanged = 1;
                } else {
                        fprintf(stderr, "Unknown option: %s\n", cmd);
                        usage(git_usage_string);
@@ -504,8 +514,9 @@ static int run_argv(int *argcp, const char ***argv)
 }
 
 
-int main(int argc, const char **argv)
+int main(int argc, char **av)
 {
+       const char **argv = (const char **) av;
        const char *cmd;
 
        startup_info = &git_startup_info;
@@ -545,7 +556,7 @@ int main(int argc, const char **argv)
                commit_pager_choice();
                printf("usage: %s\n\n", git_usage_string);
                list_common_cmds_help();
-               printf("\n%s\n", git_more_info_string);
+               printf("\n%s\n", _(git_more_info_string));
                exit(1);
        }
        cmd = argv[0];