251 lines
		
	
	
		
			12 KiB
		
	
	
	
		
			C
		
	
	
			
		
		
	
	
			251 lines
		
	
	
		
			12 KiB
		
	
	
	
		
			C
		
	
	
| #ifndef BUILTIN_H
 | |
| #define BUILTIN_H
 | |
| 
 | |
| #include "git-compat-util.h"
 | |
| #include "strbuf.h"
 | |
| #include "cache.h"
 | |
| #include "commit.h"
 | |
| 
 | |
| /*
 | |
|  * builtin API
 | |
|  * ===========
 | |
|  *
 | |
|  * Adding a new built-in
 | |
|  * ---------------------
 | |
|  *
 | |
|  * There are 4 things to do to add a built-in command implementation to
 | |
|  * Git:
 | |
|  *
 | |
|  * . Define the implementation of the built-in command `foo` with
 | |
|  *   signature:
 | |
|  *
 | |
|  *	int cmd_foo(int argc, const char **argv, const char *prefix);
 | |
|  *
 | |
|  * . Add the external declaration for the function to `builtin.h`.
 | |
|  *
 | |
|  * . Add the command to the `commands[]` table defined in `git.c`.
 | |
|  *   The entry should look like:
 | |
|  *
 | |
|  *	{ "foo", cmd_foo, <options> },
 | |
|  *
 | |
|  * where options is the bitwise-or of:
 | |
|  *
 | |
|  * `RUN_SETUP`:
 | |
|  *	If there is not a Git directory to work on, abort.  If there
 | |
|  *	is a work tree, chdir to the top of it if the command was
 | |
|  *	invoked in a subdirectory.  If there is no work tree, no
 | |
|  *	chdir() is done.
 | |
|  *
 | |
|  * `RUN_SETUP_GENTLY`:
 | |
|  *	If there is a Git directory, chdir as per RUN_SETUP, otherwise,
 | |
|  *	don't chdir anywhere.
 | |
|  *
 | |
|  * `USE_PAGER`:
 | |
|  *
 | |
|  *	If the standard output is connected to a tty, spawn a pager and
 | |
|  *	feed our output to it.
 | |
|  *
 | |
|  * `NEED_WORK_TREE`:
 | |
|  *
 | |
|  *	Make sure there is a work tree, i.e. the command cannot act
 | |
|  *	on bare repositories.
 | |
|  *	This only makes sense when `RUN_SETUP` is also set.
 | |
|  *
 | |
|  * `SUPPORT_SUPER_PREFIX`:
 | |
|  *
 | |
|  *	The built-in supports `--super-prefix`.
 | |
|  *
 | |
|  * `DELAY_PAGER_CONFIG`:
 | |
|  *
 | |
|  *	If RUN_SETUP or RUN_SETUP_GENTLY is set, git.c normally handles
 | |
|  *	the `pager.<cmd>`-configuration. If this flag is used, git.c
 | |
|  *	will skip that step, instead allowing the built-in to make a
 | |
|  *	more informed decision, e.g., by ignoring `pager.<cmd>` for
 | |
|  *	certain subcommands.
 | |
|  *
 | |
|  * . Add `builtin/foo.o` to `BUILTIN_OBJS` in `Makefile`.
 | |
|  *
 | |
|  * Additionally, if `foo` is a new command, there are 4 more things to do:
 | |
|  *
 | |
|  * . Add tests to `t/` directory.
 | |
|  *
 | |
|  * . Write documentation in `Documentation/git-foo.txt`.
 | |
|  *
 | |
|  * . Add an entry for `git-foo` to `command-list.txt`.
 | |
|  *
 | |
|  * . Add an entry for `/git-foo` to `.gitignore`.
 | |
|  *
 | |
|  *
 | |
|  * How a built-in is called
 | |
|  * ------------------------
 | |
|  *
 | |
|  * The implementation `cmd_foo()` takes three parameters, `argc`, `argv,
 | |
|  * and `prefix`.  The first two are similar to what `main()` of a
 | |
|  * standalone command would be called with.
 | |
|  *
 | |
|  * When `RUN_SETUP` is specified in the `commands[]` table, and when you
 | |
|  * were started from a subdirectory of the work tree, `cmd_foo()` is called
 | |
|  * after chdir(2) to the top of the work tree, and `prefix` gets the path
 | |
|  * to the subdirectory the command started from.  This allows you to
 | |
|  * convert a user-supplied pathname (typically relative to that directory)
 | |
|  * to a pathname relative to the top of the work tree.
 | |
|  *
 | |
|  * The return value from `cmd_foo()` becomes the exit status of the
 | |
|  * command.
 | |
|  */
 | |
| 
 | |
| #define DEFAULT_MERGE_LOG_LEN 20
 | |
| 
 | |
| extern const char git_usage_string[];
 | |
| extern const char git_more_info_string[];
 | |
| 
 | |
| #define PRUNE_PACKED_DRY_RUN 01
 | |
| #define PRUNE_PACKED_VERBOSE 02
 | |
| 
 | |
| extern void prune_packed_objects(int);
 | |
| 
 | |
| struct fmt_merge_msg_opts {
 | |
| 	unsigned add_title:1,
 | |
| 		credit_people:1;
 | |
| 	int shortlog_len;
 | |
| };
 | |
| 
 | |
| extern int fmt_merge_msg(struct strbuf *in, struct strbuf *out,
 | |
| 			 struct fmt_merge_msg_opts *);
 | |
| 
 | |
| /**
 | |
|  * If a built-in has DELAY_PAGER_CONFIG set, the built-in should call this early
 | |
|  * when it wishes to respect the `pager.foo`-config. The `cmd` is the name of
 | |
|  * the built-in, e.g., "foo". If a paging-choice has already been setup, this
 | |
|  * does nothing. The default in `def` should be 0 for "pager off", 1 for "pager
 | |
|  * on" or -1 for "punt".
 | |
|  *
 | |
|  * You should most likely use a default of 0 or 1. "Punt" (-1) could be useful
 | |
|  * to be able to fall back to some historical compatibility name.
 | |
|  */
 | |
| extern void setup_auto_pager(const char *cmd, int def);
 | |
| 
 | |
| extern int is_builtin(const char *s);
 | |
| 
 | |
| extern int cmd_add(int argc, const char **argv, const char *prefix);
 | |
| extern int cmd_am(int argc, const char **argv, const char *prefix);
 | |
| extern int cmd_annotate(int argc, const char **argv, const char *prefix);
 | |
| extern int cmd_apply(int argc, const char **argv, const char *prefix);
 | |
| extern int cmd_archive(int argc, const char **argv, const char *prefix);
 | |
| extern int cmd_bisect__helper(int argc, const char **argv, const char *prefix);
 | |
| extern int cmd_blame(int argc, const char **argv, const char *prefix);
 | |
| extern int cmd_branch(int argc, const char **argv, const char *prefix);
 | |
| extern int cmd_bundle(int argc, const char **argv, const char *prefix);
 | |
| extern int cmd_cat_file(int argc, const char **argv, const char *prefix);
 | |
| extern int cmd_checkout(int argc, const char **argv, const char *prefix);
 | |
| extern int cmd_checkout_index(int argc, const char **argv, const char *prefix);
 | |
| extern int cmd_check_attr(int argc, const char **argv, const char *prefix);
 | |
| extern int cmd_check_ignore(int argc, const char **argv, const char *prefix);
 | |
| extern int cmd_check_mailmap(int argc, const char **argv, const char *prefix);
 | |
| extern int cmd_check_ref_format(int argc, const char **argv, const char *prefix);
 | |
| extern int cmd_cherry(int argc, const char **argv, const char *prefix);
 | |
| extern int cmd_cherry_pick(int argc, const char **argv, const char *prefix);
 | |
| extern int cmd_clone(int argc, const char **argv, const char *prefix);
 | |
| extern int cmd_clean(int argc, const char **argv, const char *prefix);
 | |
| extern int cmd_column(int argc, const char **argv, const char *prefix);
 | |
| extern int cmd_commit(int argc, const char **argv, const char *prefix);
 | |
| extern int cmd_commit_graph(int argc, const char **argv, const char *prefix);
 | |
| extern int cmd_commit_tree(int argc, const char **argv, const char *prefix);
 | |
| extern int cmd_config(int argc, const char **argv, const char *prefix);
 | |
| extern int cmd_count_objects(int argc, const char **argv, const char *prefix);
 | |
| extern int cmd_credential(int argc, const char **argv, const char *prefix);
 | |
| extern int cmd_describe(int argc, const char **argv, const char *prefix);
 | |
| extern int cmd_diff_files(int argc, const char **argv, const char *prefix);
 | |
| extern int cmd_diff_index(int argc, const char **argv, const char *prefix);
 | |
| extern int cmd_diff(int argc, const char **argv, const char *prefix);
 | |
| extern int cmd_diff_tree(int argc, const char **argv, const char *prefix);
 | |
| extern int cmd_difftool(int argc, const char **argv, const char *prefix);
 | |
| extern int cmd_fast_export(int argc, const char **argv, const char *prefix);
 | |
| extern int cmd_fetch(int argc, const char **argv, const char *prefix);
 | |
| extern int cmd_fetch_pack(int argc, const char **argv, const char *prefix);
 | |
| extern int cmd_fmt_merge_msg(int argc, const char **argv, const char *prefix);
 | |
| extern int cmd_for_each_ref(int argc, const char **argv, const char *prefix);
 | |
| extern int cmd_format_patch(int argc, const char **argv, const char *prefix);
 | |
| extern int cmd_fsck(int argc, const char **argv, const char *prefix);
 | |
| extern int cmd_gc(int argc, const char **argv, const char *prefix);
 | |
| extern int cmd_get_tar_commit_id(int argc, const char **argv, const char *prefix);
 | |
| extern int cmd_grep(int argc, const char **argv, const char *prefix);
 | |
| extern int cmd_hash_object(int argc, const char **argv, const char *prefix);
 | |
| extern int cmd_help(int argc, const char **argv, const char *prefix);
 | |
| extern int cmd_index_pack(int argc, const char **argv, const char *prefix);
 | |
| extern int cmd_init_db(int argc, const char **argv, const char *prefix);
 | |
| extern int cmd_interpret_trailers(int argc, const char **argv, const char *prefix);
 | |
| extern int cmd_log(int argc, const char **argv, const char *prefix);
 | |
| extern int cmd_log_reflog(int argc, const char **argv, const char *prefix);
 | |
| extern int cmd_ls_files(int argc, const char **argv, const char *prefix);
 | |
| extern int cmd_ls_tree(int argc, const char **argv, const char *prefix);
 | |
| extern int cmd_ls_remote(int argc, const char **argv, const char *prefix);
 | |
| extern int cmd_mailinfo(int argc, const char **argv, const char *prefix);
 | |
| extern int cmd_mailsplit(int argc, const char **argv, const char *prefix);
 | |
| extern int cmd_merge(int argc, const char **argv, const char *prefix);
 | |
| extern int cmd_merge_base(int argc, const char **argv, const char *prefix);
 | |
| extern int cmd_merge_index(int argc, const char **argv, const char *prefix);
 | |
| extern int cmd_merge_ours(int argc, const char **argv, const char *prefix);
 | |
| extern int cmd_merge_file(int argc, const char **argv, const char *prefix);
 | |
| extern int cmd_merge_recursive(int argc, const char **argv, const char *prefix);
 | |
| extern int cmd_merge_tree(int argc, const char **argv, const char *prefix);
 | |
| extern int cmd_mktag(int argc, const char **argv, const char *prefix);
 | |
| extern int cmd_mktree(int argc, const char **argv, const char *prefix);
 | |
| extern int cmd_mv(int argc, const char **argv, const char *prefix);
 | |
| extern int cmd_name_rev(int argc, const char **argv, const char *prefix);
 | |
| extern int cmd_notes(int argc, const char **argv, const char *prefix);
 | |
| extern int cmd_pack_objects(int argc, const char **argv, const char *prefix);
 | |
| extern int cmd_pack_redundant(int argc, const char **argv, const char *prefix);
 | |
| extern int cmd_patch_id(int argc, const char **argv, const char *prefix);
 | |
| extern int cmd_prune(int argc, const char **argv, const char *prefix);
 | |
| extern int cmd_prune_packed(int argc, const char **argv, const char *prefix);
 | |
| extern int cmd_pull(int argc, const char **argv, const char *prefix);
 | |
| extern int cmd_push(int argc, const char **argv, const char *prefix);
 | |
| extern int cmd_read_tree(int argc, const char **argv, const char *prefix);
 | |
| extern int cmd_rebase__helper(int argc, const char **argv, const char *prefix);
 | |
| extern int cmd_receive_pack(int argc, const char **argv, const char *prefix);
 | |
| extern int cmd_reflog(int argc, const char **argv, const char *prefix);
 | |
| extern int cmd_remote(int argc, const char **argv, const char *prefix);
 | |
| extern int cmd_remote_ext(int argc, const char **argv, const char *prefix);
 | |
| extern int cmd_remote_fd(int argc, const char **argv, const char *prefix);
 | |
| extern int cmd_repack(int argc, const char **argv, const char *prefix);
 | |
| extern int cmd_rerere(int argc, const char **argv, const char *prefix);
 | |
| extern int cmd_reset(int argc, const char **argv, const char *prefix);
 | |
| extern int cmd_rev_list(int argc, const char **argv, const char *prefix);
 | |
| extern int cmd_rev_parse(int argc, const char **argv, const char *prefix);
 | |
| extern int cmd_revert(int argc, const char **argv, const char *prefix);
 | |
| extern int cmd_rm(int argc, const char **argv, const char *prefix);
 | |
| extern int cmd_send_pack(int argc, const char **argv, const char *prefix);
 | |
| extern int cmd_serve(int argc, const char **argv, const char *prefix);
 | |
| extern int cmd_shortlog(int argc, const char **argv, const char *prefix);
 | |
| extern int cmd_show(int argc, const char **argv, const char *prefix);
 | |
| extern int cmd_show_branch(int argc, const char **argv, const char *prefix);
 | |
| extern int cmd_show_index(int argc, const char **argv, const char *prefix);
 | |
| extern int cmd_status(int argc, const char **argv, const char *prefix);
 | |
| extern int cmd_stripspace(int argc, const char **argv, const char *prefix);
 | |
| extern int cmd_submodule__helper(int argc, const char **argv, const char *prefix);
 | |
| extern int cmd_symbolic_ref(int argc, const char **argv, const char *prefix);
 | |
| extern int cmd_tag(int argc, const char **argv, const char *prefix);
 | |
| extern int cmd_tar_tree(int argc, const char **argv, const char *prefix);
 | |
| extern int cmd_unpack_file(int argc, const char **argv, const char *prefix);
 | |
| extern int cmd_unpack_objects(int argc, const char **argv, const char *prefix);
 | |
| extern int cmd_update_index(int argc, const char **argv, const char *prefix);
 | |
| extern int cmd_update_ref(int argc, const char **argv, const char *prefix);
 | |
| extern int cmd_update_server_info(int argc, const char **argv, const char *prefix);
 | |
| extern int cmd_upload_archive(int argc, const char **argv, const char *prefix);
 | |
| extern int cmd_upload_archive_writer(int argc, const char **argv, const char *prefix);
 | |
| extern int cmd_upload_pack(int argc, const char **argv, const char *prefix);
 | |
| extern int cmd_var(int argc, const char **argv, const char *prefix);
 | |
| extern int cmd_verify_commit(int argc, const char **argv, const char *prefix);
 | |
| extern int cmd_verify_tag(int argc, const char **argv, const char *prefix);
 | |
| extern int cmd_version(int argc, const char **argv, const char *prefix);
 | |
| extern int cmd_whatchanged(int argc, const char **argv, const char *prefix);
 | |
| extern int cmd_worktree(int argc, const char **argv, const char *prefix);
 | |
| extern int cmd_write_tree(int argc, const char **argv, const char *prefix);
 | |
| extern int cmd_verify_pack(int argc, const char **argv, const char *prefix);
 | |
| extern int cmd_show_ref(int argc, const char **argv, const char *prefix);
 | |
| extern int cmd_pack_refs(int argc, const char **argv, const char *prefix);
 | |
| extern int cmd_replace(int argc, const char **argv, const char *prefix);
 | |
| 
 | |
| #endif
 |