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;
subdir = setup_git_directory_gently(&nongit);
if (!nongit) {
- int count;
+ int count, option_count;
const char** new_argv;
alias_command = (*argv)[0];
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);
const char git_version_string[] = GIT_VERSION;
+#define NEEDS_PREFIX 1
+
static void handle_internal_command(int argc, const char **argv, char **envp)
{
const char *cmd = argv[0];
static struct cmd_struct {
const char *cmd;
- int (*fn)(int, const char **, char **);
+ int (*fn)(int, const char **, const char *);
+ int prefix;
} commands[] = {
{ "version", cmd_version },
{ "help", cmd_help },
- { "log", cmd_log },
- { "whatchanged", cmd_whatchanged },
- { "show", cmd_show },
+ { "log", cmd_log, NEEDS_PREFIX },
+ { "whatchanged", cmd_whatchanged, NEEDS_PREFIX },
+ { "show", cmd_show, NEEDS_PREFIX },
{ "push", cmd_push },
- { "format-patch", cmd_format_patch },
+ { "format-patch", cmd_format_patch, NEEDS_PREFIX },
{ "count-objects", cmd_count_objects },
- { "diff", cmd_diff },
- { "grep", cmd_grep },
- { "rm", cmd_rm },
- { "add", cmd_add },
- { "rev-list", cmd_rev_list },
+ { "diff", cmd_diff, NEEDS_PREFIX },
+ { "grep", cmd_grep, NEEDS_PREFIX },
+ { "rm", cmd_rm, NEEDS_PREFIX },
+ { "add", cmd_add, NEEDS_PREFIX },
+ { "rev-list", cmd_rev_list, NEEDS_PREFIX },
{ "init-db", cmd_init_db },
{ "get-tar-commit-id", cmd_get_tar_commit_id },
{ "upload-tar", cmd_upload_tar },
{ "check-ref-format", cmd_check_ref_format },
- { "ls-files", cmd_ls_files },
- { "ls-tree", cmd_ls_tree },
- { "tar-tree", cmd_tar_tree },
- { "read-tree", cmd_read_tree },
- { "commit-tree", cmd_commit_tree },
+ { "ls-files", cmd_ls_files, NEEDS_PREFIX },
+ { "ls-tree", cmd_ls_tree, NEEDS_PREFIX },
+ { "tar-tree", cmd_tar_tree, NEEDS_PREFIX },
+ { "read-tree", cmd_read_tree, NEEDS_PREFIX },
+ { "commit-tree", cmd_commit_tree, NEEDS_PREFIX },
{ "apply", cmd_apply },
- { "show-branch", cmd_show_branch },
- { "diff-files", cmd_diff_files },
- { "diff-index", cmd_diff_index },
- { "diff-stages", cmd_diff_stages },
- { "diff-tree", cmd_diff_tree },
- { "cat-file", cmd_cat_file },
- { "rev-parse", cmd_rev_parse },
- { "write-tree", cmd_write_tree },
+ { "show-branch", cmd_show_branch, NEEDS_PREFIX },
+ { "diff-files", cmd_diff_files, NEEDS_PREFIX },
+ { "diff-index", cmd_diff_index, NEEDS_PREFIX },
+ { "diff-stages", cmd_diff_stages, NEEDS_PREFIX },
+ { "diff-tree", cmd_diff_tree, NEEDS_PREFIX },
+ { "cat-file", cmd_cat_file, NEEDS_PREFIX },
+ { "rev-parse", cmd_rev_parse, NEEDS_PREFIX },
+ { "write-tree", cmd_write_tree, NEEDS_PREFIX },
{ "mailsplit", cmd_mailsplit },
{ "mailinfo", cmd_mailinfo },
{ "stripspace", cmd_stripspace },
- { "update-index", cmd_update_index },
- { "update-ref", cmd_update_ref },
- { "fmt-merge-msg", cmd_fmt_merge_msg },
- { "prune", cmd_prune },
+ { "update-index", cmd_update_index, NEEDS_PREFIX },
+ { "update-ref", cmd_update_ref, NEEDS_PREFIX },
+ { "fmt-merge-msg", cmd_fmt_merge_msg, NEEDS_PREFIX },
+ { "prune", cmd_prune, NEEDS_PREFIX },
+ { "mv", cmd_mv, NEEDS_PREFIX },
};
int i;
for (i = 0; i < ARRAY_SIZE(commands); i++) {
struct cmd_struct *p = commands+i;
+ const char *prefix;
if (strcmp(p->cmd, cmd))
continue;
+ prefix = NULL;
+ if (p->prefix)
+ prefix = setup_git_directory();
if (getenv("GIT_TRACE")) {
int i;
fprintf(stderr, "trace: built-in: git");
fflush(stderr);
}
- exit(p->fn(argc, argv, envp));
+ exit(p->fn(argc, argv, prefix));
}
}
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: