#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 <path>] [-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[] =
- "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;
-struct pager_config {
- const char *cmd;
- int want;
- char *value;
-};
-
-static int pager_command_config(const char *var, const char *value, void *data)
-{
- struct pager_config *c = data;
- if (!prefixcmp(var, "pager.") && !strcmp(var + 6, c->cmd)) {
- int b = git_config_maybe_bool(var, value);
- if (b >= 0)
- c->want = b;
- else {
- c->want = 1;
- c->value = xstrdup(value);
- }
- }
- return 0;
-}
-
-/* returns 0 for "no pager", 1 for "use pager", and -1 for "not specified" */
-int check_pager_config(const char *cmd)
-{
- struct pager_config c;
- c.cmd = cmd;
- c.want = -1;
- c.value = NULL;
- git_config(pager_command_config, &c);
- if (c.value)
- pager_program = c.value;
- return c.want;
-}
static void commit_pager_choice(void) {
switch (use_pager) {
/*
* Check remaining flags.
*/
- if (!prefixcmp(cmd, "--exec-path")) {
+ if (starts_with(cmd, "--exec-path")) {
cmd += 11;
if (*cmd == '=')
git_set_argv_exec_path(cmd + 1);
if (envchanged)
*envchanged = 1;
} else if (!strcmp(cmd, "--no-replace-objects")) {
- read_replace_refs = 0;
+ check_replace_refs = 0;
setenv(NO_REPLACE_OBJECTS_ENVIRONMENT, "1", 1);
if (envchanged)
*envchanged = 1;
*envchanged = 1;
(*argv)++;
(*argc)--;
- } else if (!prefixcmp(cmd, "--git-dir=")) {
+ } else if (starts_with(cmd, "--git-dir=")) {
setenv(GIT_DIR_ENVIRONMENT, cmd + 10, 1);
if (envchanged)
*envchanged = 1;
*envchanged = 1;
(*argv)++;
(*argc)--;
- } else if (!prefixcmp(cmd, "--namespace=")) {
+ } else if (starts_with(cmd, "--namespace=")) {
setenv(GIT_NAMESPACE_ENVIRONMENT, cmd + 12, 1);
if (envchanged)
*envchanged = 1;
*envchanged = 1;
(*argv)++;
(*argc)--;
- } else if (!prefixcmp(cmd, "--work-tree=")) {
+ } else if (starts_with(cmd, "--work-tree=")) {
setenv(GIT_WORK_TREE_ENVIRONMENT, cmd + 12, 1);
if (envchanged)
*envchanged = 1;
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")) {
git_config_push_parameter((*argv)[1]);
(*argv)++;
(*argc)--;
+ } else if (!strcmp(cmd, "--literal-pathspecs")) {
+ setenv(GIT_LITERAL_PATHSPECS_ENVIRONMENT, "1", 1);
+ if (envchanged)
+ *envchanged = 1;
+ } else if (!strcmp(cmd, "--no-literal-pathspecs")) {
+ setenv(GIT_LITERAL_PATHSPECS_ENVIRONMENT, "0", 1);
+ if (envchanged)
+ *envchanged = 1;
+ } else if (!strcmp(cmd, "--glob-pathspecs")) {
+ setenv(GIT_GLOB_PATHSPECS_ENVIRONMENT, "1", 1);
+ if (envchanged)
+ *envchanged = 1;
+ } else if (!strcmp(cmd, "--noglob-pathspecs")) {
+ setenv(GIT_NOGLOB_PATHSPECS_ENVIRONMENT, "1", 1);
+ if (envchanged)
+ *envchanged = 1;
+ } else if (!strcmp(cmd, "--icase-pathspecs")) {
+ setenv(GIT_ICASE_PATHSPECS_ENVIRONMENT, "1", 1);
+ if (envchanged)
+ *envchanged = 1;
+ } else if (!strcmp(cmd, "--shallow-file")) {
+ (*argv)++;
+ (*argc)--;
+ set_alternate_shallow_file((*argv)[0], 1);
+ if (envchanged)
+ *envchanged = 1;
+ } else if (!strcmp(cmd, "-C")) {
+ if (*argc < 2) {
+ fprintf(stderr, "No directory given for -C.\n" );
+ usage(git_usage_string);
+ }
+ if (chdir((*argv)[1]))
+ die_errno("Cannot change to '%s'", (*argv)[1]);
+ if (envchanged)
+ *envchanged = 1;
+ (*argv)++;
+ (*argc)--;
} else {
fprintf(stderr, "Unknown option: %s\n", cmd);
usage(git_usage_string);
return ret;
}
-const char git_version_string[] = GIT_VERSION;
-
#define RUN_SETUP (1<<0)
#define RUN_SETUP_GENTLY (1<<1)
#define USE_PAGER (1<<2)
return 0;
}
-static void handle_internal_command(int argc, const char **argv)
+static struct cmd_struct commands[] = {
+ { "add", cmd_add, RUN_SETUP | NEED_WORK_TREE },
+ { "annotate", cmd_annotate, RUN_SETUP },
+ { "apply", cmd_apply, RUN_SETUP_GENTLY },
+ { "archive", cmd_archive },
+ { "bisect--helper", cmd_bisect__helper, RUN_SETUP },
+ { "blame", cmd_blame, RUN_SETUP },
+ { "branch", cmd_branch, RUN_SETUP },
+ { "bundle", cmd_bundle, RUN_SETUP_GENTLY },
+ { "cat-file", cmd_cat_file, RUN_SETUP },
+ { "check-attr", cmd_check_attr, RUN_SETUP },
+ { "check-ignore", cmd_check_ignore, RUN_SETUP | NEED_WORK_TREE },
+ { "check-mailmap", cmd_check_mailmap, RUN_SETUP },
+ { "check-ref-format", cmd_check_ref_format },
+ { "checkout", cmd_checkout, RUN_SETUP | NEED_WORK_TREE },
+ { "checkout-index", cmd_checkout_index,
+ RUN_SETUP | NEED_WORK_TREE},
+ { "cherry", cmd_cherry, RUN_SETUP },
+ { "cherry-pick", cmd_cherry_pick, RUN_SETUP | NEED_WORK_TREE },
+ { "clean", cmd_clean, RUN_SETUP | NEED_WORK_TREE },
+ { "clone", cmd_clone },
+ { "column", cmd_column, RUN_SETUP_GENTLY },
+ { "commit", cmd_commit, RUN_SETUP | NEED_WORK_TREE },
+ { "commit-tree", cmd_commit_tree, RUN_SETUP },
+ { "config", cmd_config, RUN_SETUP_GENTLY },
+ { "count-objects", cmd_count_objects, RUN_SETUP },
+ { "credential", cmd_credential, RUN_SETUP_GENTLY },
+ { "describe", cmd_describe, RUN_SETUP },
+ { "diff", cmd_diff },
+ { "diff-files", cmd_diff_files, RUN_SETUP | NEED_WORK_TREE },
+ { "diff-index", cmd_diff_index, RUN_SETUP },
+ { "diff-tree", cmd_diff_tree, RUN_SETUP },
+ { "fast-export", cmd_fast_export, RUN_SETUP },
+ { "fetch", cmd_fetch, RUN_SETUP },
+ { "fetch-pack", cmd_fetch_pack, RUN_SETUP },
+ { "fmt-merge-msg", cmd_fmt_merge_msg, RUN_SETUP },
+ { "for-each-ref", cmd_for_each_ref, RUN_SETUP },
+ { "format-patch", cmd_format_patch, RUN_SETUP },
+ { "fsck", cmd_fsck, RUN_SETUP },
+ { "fsck-objects", cmd_fsck, RUN_SETUP },
+ { "gc", cmd_gc, RUN_SETUP },
+ { "get-tar-commit-id", cmd_get_tar_commit_id },
+ { "grep", cmd_grep, RUN_SETUP_GENTLY },
+ { "hash-object", cmd_hash_object },
+ { "help", cmd_help },
+ { "index-pack", cmd_index_pack, RUN_SETUP_GENTLY },
+ { "init", cmd_init_db },
+ { "init-db", cmd_init_db },
+ { "log", cmd_log, RUN_SETUP },
+ { "ls-files", cmd_ls_files, RUN_SETUP },
+ { "ls-remote", cmd_ls_remote, RUN_SETUP_GENTLY },
+ { "ls-tree", cmd_ls_tree, RUN_SETUP },
+ { "mailinfo", cmd_mailinfo },
+ { "mailsplit", cmd_mailsplit },
+ { "merge", cmd_merge, RUN_SETUP | NEED_WORK_TREE },
+ { "merge-base", cmd_merge_base, RUN_SETUP },
+ { "merge-file", cmd_merge_file, RUN_SETUP_GENTLY },
+ { "merge-index", cmd_merge_index, RUN_SETUP },
+ { "merge-ours", cmd_merge_ours, RUN_SETUP },
+ { "merge-recursive", cmd_merge_recursive, RUN_SETUP | NEED_WORK_TREE },
+ { "merge-recursive-ours", cmd_merge_recursive, RUN_SETUP | NEED_WORK_TREE },
+ { "merge-recursive-theirs", cmd_merge_recursive, RUN_SETUP | NEED_WORK_TREE },
+ { "merge-subtree", cmd_merge_recursive, RUN_SETUP | NEED_WORK_TREE },
+ { "merge-tree", cmd_merge_tree, RUN_SETUP },
+ { "mktag", cmd_mktag, RUN_SETUP },
+ { "mktree", cmd_mktree, RUN_SETUP },
+ { "mv", cmd_mv, RUN_SETUP | NEED_WORK_TREE },
+ { "name-rev", cmd_name_rev, RUN_SETUP },
+ { "notes", cmd_notes, RUN_SETUP },
+ { "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 },
+ { "pickaxe", cmd_blame, RUN_SETUP },
+ { "prune", cmd_prune, RUN_SETUP },
+ { "prune-packed", cmd_prune_packed, RUN_SETUP },
+ { "push", cmd_push, RUN_SETUP },
+ { "read-tree", cmd_read_tree, RUN_SETUP },
+ { "receive-pack", cmd_receive_pack },
+ { "reflog", cmd_reflog, RUN_SETUP },
+ { "remote", cmd_remote, RUN_SETUP },
+ { "remote-ext", cmd_remote_ext },
+ { "remote-fd", cmd_remote_fd },
+ { "repack", cmd_repack, RUN_SETUP },
+ { "replace", cmd_replace, RUN_SETUP },
+ { "rerere", cmd_rerere, RUN_SETUP },
+ { "reset", cmd_reset, RUN_SETUP },
+ { "rev-list", cmd_rev_list, RUN_SETUP },
+ { "rev-parse", cmd_rev_parse },
+ { "revert", cmd_revert, RUN_SETUP | NEED_WORK_TREE },
+ { "rm", cmd_rm, RUN_SETUP },
+ { "send-pack", cmd_send_pack, RUN_SETUP },
+ { "shortlog", cmd_shortlog, RUN_SETUP_GENTLY | USE_PAGER },
+ { "show", cmd_show, RUN_SETUP },
+ { "show-branch", cmd_show_branch, RUN_SETUP },
+ { "show-ref", cmd_show_ref, RUN_SETUP },
+ { "stage", cmd_add, RUN_SETUP | NEED_WORK_TREE },
+ { "status", cmd_status, RUN_SETUP | NEED_WORK_TREE },
+ { "stripspace", cmd_stripspace },
+ { "symbolic-ref", cmd_symbolic_ref, RUN_SETUP },
+ { "tag", cmd_tag, RUN_SETUP },
+ { "unpack-file", cmd_unpack_file, RUN_SETUP },
+ { "unpack-objects", cmd_unpack_objects, RUN_SETUP },
+ { "update-index", cmd_update_index, RUN_SETUP },
+ { "update-ref", cmd_update_ref, RUN_SETUP },
+ { "update-server-info", cmd_update_server_info, RUN_SETUP },
+ { "upload-archive", cmd_upload_archive },
+ { "upload-archive--writer", cmd_upload_archive_writer },
+ { "var", cmd_var, RUN_SETUP_GENTLY },
+ { "verify-pack", cmd_verify_pack },
+ { "verify-tag", cmd_verify_tag, RUN_SETUP },
+ { "version", cmd_version },
+ { "whatchanged", cmd_whatchanged, RUN_SETUP },
+ { "write-tree", cmd_write_tree, RUN_SETUP },
+};
+
+int is_builtin(const char *s)
+{
+ int i;
+ for (i = 0; i < ARRAY_SIZE(commands); i++) {
+ struct cmd_struct *p = commands+i;
+ if (!strcmp(s, p->cmd))
+ return 1;
+ }
+ return 0;
+}
+
+static void handle_builtin(int argc, const char **argv)
{
const char *cmd = argv[0];
- static struct cmd_struct commands[] = {
- { "add", cmd_add, RUN_SETUP | NEED_WORK_TREE },
- { "annotate", cmd_annotate, RUN_SETUP },
- { "apply", cmd_apply, RUN_SETUP_GENTLY },
- { "archive", cmd_archive },
- { "bisect--helper", cmd_bisect__helper, RUN_SETUP },
- { "blame", cmd_blame, RUN_SETUP },
- { "branch", cmd_branch, RUN_SETUP },
- { "bundle", cmd_bundle, RUN_SETUP_GENTLY },
- { "cat-file", cmd_cat_file, RUN_SETUP },
- { "check-attr", cmd_check_attr, RUN_SETUP },
- { "check-ref-format", cmd_check_ref_format },
- { "checkout", cmd_checkout, RUN_SETUP | NEED_WORK_TREE },
- { "checkout-index", cmd_checkout_index,
- RUN_SETUP | NEED_WORK_TREE},
- { "cherry", cmd_cherry, RUN_SETUP },
- { "cherry-pick", cmd_cherry_pick, RUN_SETUP | NEED_WORK_TREE },
- { "clean", cmd_clean, RUN_SETUP | NEED_WORK_TREE },
- { "clone", cmd_clone },
- { "commit", cmd_commit, RUN_SETUP | NEED_WORK_TREE },
- { "commit-tree", cmd_commit_tree, RUN_SETUP },
- { "config", cmd_config, RUN_SETUP_GENTLY },
- { "count-objects", cmd_count_objects, RUN_SETUP },
- { "describe", cmd_describe, RUN_SETUP },
- { "diff", cmd_diff },
- { "diff-files", cmd_diff_files, RUN_SETUP | NEED_WORK_TREE },
- { "diff-index", cmd_diff_index, RUN_SETUP },
- { "diff-tree", cmd_diff_tree, RUN_SETUP },
- { "fast-export", cmd_fast_export, RUN_SETUP },
- { "fetch", cmd_fetch, RUN_SETUP },
- { "fetch-pack", cmd_fetch_pack, RUN_SETUP },
- { "fmt-merge-msg", cmd_fmt_merge_msg, RUN_SETUP },
- { "for-each-ref", cmd_for_each_ref, RUN_SETUP },
- { "format-patch", cmd_format_patch, RUN_SETUP },
- { "fsck", cmd_fsck, RUN_SETUP },
- { "fsck-objects", cmd_fsck, RUN_SETUP },
- { "gc", cmd_gc, RUN_SETUP },
- { "get-tar-commit-id", cmd_get_tar_commit_id },
- { "grep", cmd_grep, RUN_SETUP_GENTLY },
- { "hash-object", cmd_hash_object },
- { "help", cmd_help },
- { "index-pack", cmd_index_pack, RUN_SETUP_GENTLY },
- { "init", cmd_init_db },
- { "init-db", cmd_init_db },
- { "log", cmd_log, RUN_SETUP },
- { "ls-files", cmd_ls_files, RUN_SETUP },
- { "ls-remote", cmd_ls_remote, RUN_SETUP_GENTLY },
- { "ls-tree", cmd_ls_tree, RUN_SETUP },
- { "mailinfo", cmd_mailinfo },
- { "mailsplit", cmd_mailsplit },
- { "merge", cmd_merge, RUN_SETUP | NEED_WORK_TREE },
- { "merge-base", cmd_merge_base, RUN_SETUP },
- { "merge-file", cmd_merge_file, RUN_SETUP_GENTLY },
- { "merge-index", cmd_merge_index, RUN_SETUP },
- { "merge-ours", cmd_merge_ours, RUN_SETUP },
- { "merge-recursive", cmd_merge_recursive, RUN_SETUP | NEED_WORK_TREE },
- { "merge-recursive-ours", cmd_merge_recursive, RUN_SETUP | NEED_WORK_TREE },
- { "merge-recursive-theirs", cmd_merge_recursive, RUN_SETUP | NEED_WORK_TREE },
- { "merge-subtree", cmd_merge_recursive, RUN_SETUP | NEED_WORK_TREE },
- { "merge-tree", cmd_merge_tree, RUN_SETUP },
- { "mktag", cmd_mktag, RUN_SETUP },
- { "mktree", cmd_mktree, RUN_SETUP },
- { "mv", cmd_mv, RUN_SETUP | NEED_WORK_TREE },
- { "name-rev", cmd_name_rev, RUN_SETUP },
- { "notes", cmd_notes, RUN_SETUP },
- { "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 },
- { "peek-remote", cmd_ls_remote, RUN_SETUP_GENTLY },
- { "pickaxe", cmd_blame, RUN_SETUP },
- { "prune", cmd_prune, RUN_SETUP },
- { "prune-packed", cmd_prune_packed, RUN_SETUP },
- { "push", cmd_push, RUN_SETUP },
- { "read-tree", cmd_read_tree, RUN_SETUP },
- { "receive-pack", cmd_receive_pack },
- { "reflog", cmd_reflog, RUN_SETUP },
- { "remote", cmd_remote, RUN_SETUP },
- { "remote-ext", cmd_remote_ext },
- { "remote-fd", cmd_remote_fd },
- { "replace", cmd_replace, RUN_SETUP },
- { "repo-config", cmd_repo_config, RUN_SETUP_GENTLY },
- { "rerere", cmd_rerere, RUN_SETUP },
- { "reset", cmd_reset, RUN_SETUP },
- { "rev-list", cmd_rev_list, RUN_SETUP },
- { "rev-parse", cmd_rev_parse },
- { "revert", cmd_revert, RUN_SETUP | NEED_WORK_TREE },
- { "rm", cmd_rm, RUN_SETUP },
- { "send-pack", cmd_send_pack, RUN_SETUP },
- { "shortlog", cmd_shortlog, RUN_SETUP_GENTLY | USE_PAGER },
- { "show", cmd_show, RUN_SETUP },
- { "show-branch", cmd_show_branch, RUN_SETUP },
- { "show-ref", cmd_show_ref, RUN_SETUP },
- { "stage", cmd_add, RUN_SETUP | NEED_WORK_TREE },
- { "status", cmd_status, RUN_SETUP | NEED_WORK_TREE },
- { "stripspace", cmd_stripspace },
- { "symbolic-ref", cmd_symbolic_ref, RUN_SETUP },
- { "tag", cmd_tag, RUN_SETUP },
- { "tar-tree", cmd_tar_tree },
- { "unpack-file", cmd_unpack_file, RUN_SETUP },
- { "unpack-objects", cmd_unpack_objects, RUN_SETUP },
- { "update-index", cmd_update_index, RUN_SETUP },
- { "update-ref", cmd_update_ref, RUN_SETUP },
- { "update-server-info", cmd_update_server_info, RUN_SETUP },
- { "upload-archive", cmd_upload_archive },
- { "upload-archive--writer", cmd_upload_archive_writer },
- { "var", cmd_var, RUN_SETUP_GENTLY },
- { "verify-pack", cmd_verify_pack },
- { "verify-tag", cmd_verify_tag, RUN_SETUP },
- { "version", cmd_version },
- { "whatchanged", cmd_whatchanged, RUN_SETUP },
- { "write-tree", cmd_write_tree, RUN_SETUP },
- };
int i;
static const char ext[] = STRIP_EXTENSION;
int done_alias = 0;
while (1) {
- /* See if it's an internal command */
- handle_internal_command(*argcp, *argv);
+ /* See if it's a builtin */
+ handle_builtin(*argcp, *argv);
/* .. then try the external ones */
execv_dashed_external(*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;
if (!cmd)
cmd = "git-help";
+ /*
+ * Always open file descriptors 0/1/2 to avoid clobbering files
+ * in die(). It also avoids messing up when the pipes are dup'ed
+ * onto stdin/stdout/stderr in the child processes we spawn.
+ */
+ sanitize_stdfds();
+
git_setup_gettext();
/*
* - cannot execute it externally (since it would just do
* the same thing over again)
*
- * So we just directly call the internal command handler, and
- * die if that one cannot handle it.
+ * So we just directly call the builtin handler, and die if
+ * that one cannot handle it.
*/
- if (!prefixcmp(cmd, "git-")) {
+ if (starts_with(cmd, "git-")) {
cmd += 4;
argv[0] = cmd;
- handle_internal_command(argc, argv);
- die("cannot handle %s internally", cmd);
+ handle_builtin(argc, argv);
+ die("cannot handle %s as a builtin", cmd);
}
/* Look for flags.. */
argc--;
handle_options(&argv, &argc, NULL);
if (argc > 0) {
- if (!prefixcmp(argv[0], "--"))
+ if (starts_with(argv[0], "--"))
argv[0] += 2;
} else {
/* The user didn't specify a command; give them help */
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];
projects / platform / upstream / git.git / blobdiff