Merge branch 'js/alias-p'
* js/alias-p: git wrapper: add --git-dir=<path> and --bare options Allow an alias to start with "-p"
This commit is contained in:
commit
205be1ee07
@ -8,7 +8,8 @@ git - the stupid content tracker
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SYNOPSIS
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--------
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'git' [--version] [--exec-path[=GIT_EXEC_PATH]] [--help] COMMAND [ARGS]
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'git' [--version] [--exec-path[=GIT_EXEC_PATH]] [-p|--paginate]
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[--bare] [--git-dir=GIT_DIR] [--help] COMMAND [ARGS]
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DESCRIPTION
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-----------
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@ -41,6 +42,15 @@ OPTIONS
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environment variable. If no path is given 'git' will print
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the current setting and then exit.
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-p|--paginate::
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Pipe all output into 'less' (or if set, $PAGER).
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--git-dir=<path>::
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Set the path to the repository. This can also be controlled by
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setting the GIT_DIR environment variable.
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--bare::
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Same as --git-dir=`pwd`.
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FURTHER DOCUMENTATION
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---------------------
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@ -229,7 +229,7 @@ int cmd_version(int argc, const char **argv, char **envp)
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int cmd_help(int argc, const char **argv, char **envp)
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{
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const char *help_cmd = argv[1];
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const char *help_cmd = argc > 1 ? argv[1] : NULL;
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if (!help_cmd)
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cmd_usage(0, git_exec_path(), NULL);
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else if (!strcmp(help_cmd, "--all") || !strcmp(help_cmd, "-a"))
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113
git.c
113
git.c
@ -35,6 +35,59 @@ static void prepend_to_path(const char *dir, int len)
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setenv("PATH", path, 1);
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}
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static int handle_options(const char*** argv, int* argc)
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{
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int handled = 0;
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while (*argc > 0) {
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const char *cmd = (*argv)[0];
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if (cmd[0] != '-')
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break;
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/*
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* For legacy reasons, the "version" and "help"
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* commands can be written with "--" prepended
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* to make them look like flags.
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*/
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if (!strcmp(cmd, "--help") || !strcmp(cmd, "--version"))
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break;
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/*
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* Check remaining flags.
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*/
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if (!strncmp(cmd, "--exec-path", 11)) {
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cmd += 11;
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if (*cmd == '=')
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git_set_exec_path(cmd + 1);
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else {
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puts(git_exec_path());
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exit(0);
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}
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} else if (!strcmp(cmd, "-p") || !strcmp(cmd, "--paginate")) {
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setup_pager();
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} else if (!strcmp(cmd, "--git-dir")) {
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if (*argc < 1)
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return -1;
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setenv("GIT_DIR", (*argv)[1], 1);
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(*argv)++;
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(*argc)--;
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} else if (!strncmp(cmd, "--git-dir=", 10)) {
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setenv("GIT_DIR", cmd + 10, 1);
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} else if (!strcmp(cmd, "--bare")) {
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static char git_dir[1024];
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setenv("GIT_DIR", getcwd(git_dir, 1024), 1);
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} else {
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fprintf(stderr, "Unknown option: %s\n", cmd);
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cmd_usage(0, NULL, NULL);
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}
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(*argv)++;
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(*argc)--;
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handled++;
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}
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return handled;
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}
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static const char *alias_command;
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static char *alias_string = NULL;
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@ -106,7 +159,7 @@ static int handle_alias(int *argcp, const char ***argv)
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subdir = setup_git_directory_gently(&nongit);
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if (!nongit) {
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int count;
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int count, option_count;
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const char** new_argv;
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alias_command = (*argv)[0];
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@ -114,6 +167,10 @@ static int handle_alias(int *argcp, const char ***argv)
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if (alias_string) {
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count = split_cmdline(alias_string, &new_argv);
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option_count = handle_options(&new_argv, &count);
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memmove(new_argv - option_count, new_argv,
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count * sizeof(char *));
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new_argv -= option_count;
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if (count < 1)
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die("empty alias for %s", alias_command);
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@ -268,51 +325,19 @@ int main(int argc, const char **argv, char **envp)
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die("cannot handle %s internally", cmd);
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}
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/* Default command: "help" */
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cmd = "help";
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/* Look for flags.. */
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while (argc > 1) {
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cmd = *++argv;
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argc--;
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if (!strcmp(cmd, "-p") || !strcmp(cmd, "--paginate")) {
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setup_pager();
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continue;
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}
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if (strncmp(cmd, "--", 2))
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break;
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cmd += 2;
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/*
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* For legacy reasons, the "version" and "help"
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* commands can be written with "--" prepended
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* to make them look like flags.
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*/
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if (!strcmp(cmd, "help"))
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break;
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if (!strcmp(cmd, "version"))
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break;
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/*
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* Check remaining flags (which by now must be
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* "--exec-path", but maybe we will accept
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* other arguments some day)
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*/
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if (!strncmp(cmd, "exec-path", 9)) {
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cmd += 9;
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if (*cmd == '=') {
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git_set_exec_path(cmd + 1);
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continue;
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}
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puts(git_exec_path());
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exit(0);
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}
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cmd_usage(0, NULL, NULL);
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argv++;
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argc--;
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handle_options(&argv, &argc);
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if (argc > 0) {
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if (!strncmp(argv[0], "--", 2))
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argv[0] += 2;
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} else {
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/* Default command: "help" */
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argv[0] = "help";
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argc = 1;
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}
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argv[0] = cmd;
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cmd = argv[0];
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/*
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* We search for git commands in the following order:
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