diff options
| -rw-r--r-- | Documentation/git.txt | 12 | ||||
| -rw-r--r-- | builtin-help.c | 2 | ||||
| -rw-r--r-- | git.c | 113 |
3 files changed, 81 insertions, 46 deletions
diff --git a/Documentation/git.txt b/Documentation/git.txt index ce3058182f..7310a2b8b8 100644 --- a/Documentation/git.txt +++ b/Documentation/git.txt @@ -8,7 +8,8 @@ git - the stupid content tracker SYNOPSIS -------- -'git' [--version] [--exec-path[=GIT_EXEC_PATH]] [--help] COMMAND [ARGS] +'git' [--version] [--exec-path[=GIT_EXEC_PATH]] [-p|--paginate] + [--bare] [--git-dir=GIT_DIR] [--help] COMMAND [ARGS] DESCRIPTION ----------- @@ -41,6 +42,15 @@ OPTIONS environment variable. If no path is given 'git' will print the current setting and then exit. +-p|--paginate:: + Pipe all output into 'less' (or if set, $PAGER). + +--git-dir=<path>:: + Set the path to the repository. This can also be controlled by + setting the GIT_DIR environment variable. + +--bare:: + Same as --git-dir=`pwd`. FURTHER DOCUMENTATION --------------------- diff --git a/builtin-help.c b/builtin-help.c index 335fe5fedc..bc1b4da3bc 100644 --- a/builtin-help.c +++ b/builtin-help.c @@ -229,7 +229,7 @@ int cmd_version(int argc, const char **argv, char **envp) int cmd_help(int argc, const char **argv, char **envp) { - const char *help_cmd = argv[1]; + const char *help_cmd = argc > 1 ? argv[1] : NULL; if (!help_cmd) cmd_usage(0, git_exec_path(), NULL); else if (!strcmp(help_cmd, "--all") || !strcmp(help_cmd, "-a")) @@ -35,6 +35,59 @@ static void prepend_to_path(const char *dir, int len) setenv("PATH", path, 1); } +static int handle_options(const char*** argv, int* argc) +{ + int handled = 0; + + while (*argc > 0) { + const char *cmd = (*argv)[0]; + if (cmd[0] != '-') + break; + + /* + * For legacy reasons, the "version" and "help" + * commands can be written with "--" prepended + * to make them look like flags. + */ + if (!strcmp(cmd, "--help") || !strcmp(cmd, "--version")) + break; + + /* + * Check remaining flags. + */ + if (!strncmp(cmd, "--exec-path", 11)) { + cmd += 11; + if (*cmd == '=') + git_set_exec_path(cmd + 1); + else { + puts(git_exec_path()); + exit(0); + } + } else if (!strcmp(cmd, "-p") || !strcmp(cmd, "--paginate")) { + setup_pager(); + } else if (!strcmp(cmd, "--git-dir")) { + if (*argc < 1) + return -1; + setenv("GIT_DIR", (*argv)[1], 1); + (*argv)++; + (*argc)--; + } else if (!strncmp(cmd, "--git-dir=", 10)) { + setenv("GIT_DIR", cmd + 10, 1); + } else if (!strcmp(cmd, "--bare")) { + static char git_dir[1024]; + setenv("GIT_DIR", getcwd(git_dir, 1024), 1); + } else { + fprintf(stderr, "Unknown option: %s\n", cmd); + cmd_usage(0, NULL, NULL); + } + + (*argv)++; + (*argc)--; + handled++; + } + return handled; +} + static const char *alias_command; static char *alias_string = NULL; @@ -106,7 +159,7 @@ static int handle_alias(int *argcp, const char ***argv) subdir = setup_git_directory_gently(&nongit); if (!nongit) { - int count; + int count, option_count; const char** new_argv; alias_command = (*argv)[0]; @@ -114,6 +167,10 @@ static int handle_alias(int *argcp, const char ***argv) if (alias_string) { count = split_cmdline(alias_string, &new_argv); + option_count = handle_options(&new_argv, &count); + memmove(new_argv - option_count, new_argv, + count * sizeof(char *)); + new_argv -= option_count; if (count < 1) die("empty alias for %s", alias_command); @@ -268,51 +325,19 @@ int main(int argc, const char **argv, char **envp) die("cannot handle %s internally", cmd); } - /* Default command: "help" */ - cmd = "help"; - /* Look for flags.. */ - while (argc > 1) { - cmd = *++argv; - argc--; - - if (!strcmp(cmd, "-p") || !strcmp(cmd, "--paginate")) { - setup_pager(); - continue; - } - - if (strncmp(cmd, "--", 2)) - break; - - cmd += 2; - - /* - * For legacy reasons, the "version" and "help" - * commands can be written with "--" prepended - * to make them look like flags. - */ - if (!strcmp(cmd, "help")) - break; - if (!strcmp(cmd, "version")) - break; - - /* - * Check remaining flags (which by now must be - * "--exec-path", but maybe we will accept - * other arguments some day) - */ - if (!strncmp(cmd, "exec-path", 9)) { - cmd += 9; - if (*cmd == '=') { - git_set_exec_path(cmd + 1); - continue; - } - puts(git_exec_path()); - exit(0); - } - cmd_usage(0, NULL, NULL); + argv++; + argc--; + handle_options(&argv, &argc); + if (argc > 0) { + if (!strncmp(argv[0], "--", 2)) + argv[0] += 2; + } else { + /* Default command: "help" */ + argv[0] = "help"; + argc = 1; } - argv[0] = cmd; + cmd = argv[0]; /* * We search for git commands in the following order: |