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#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.

*/

extern const char git_usage_string[];

extern const char git_more_info_string[];

/**

* 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.

*/

void setup_auto_pager(const char *cmd, int def);

int is_builtin(const char *s);

int cmd_add(int argc, const char **argv, const char *prefix);

int cmd_am(int argc, const char **argv, const char *prefix);

int cmd_annotate(int argc, const char **argv, const char *prefix);

int cmd_apply(int argc, const char **argv, const char *prefix);

int cmd_archive(int argc, const char **argv, const char *prefix);

int cmd_bisect__helper(int argc, const char **argv, const char *prefix);

int cmd_blame(int argc, const char **argv, const char *prefix);

int cmd_branch(int argc, const char **argv, const char *prefix);

int cmd_bugreport(int argc, const char **argv, const char *prefix);

int cmd_bundle(int argc, const char **argv, const char *prefix);

int cmd_cat_file(int argc, const char **argv, const char *prefix);

int cmd_checkout(int argc, const char **argv, const char *prefix);

int cmd_checkout__worker(int argc, const char **argv, const char *prefix);

int cmd_checkout_index(int argc, const char **argv, const char *prefix);

int cmd_check_attr(int argc, const char **argv, const char *prefix);

int cmd_check_ignore(int argc, const char **argv, const char *prefix);

int cmd_check_mailmap(int argc, const char **argv, const char *prefix);

int cmd_check_ref_format(int argc, const char **argv, const char *prefix);

int cmd_cherry(int argc, const char **argv, const char *prefix);

int cmd_cherry_pick(int argc, const char **argv, const char *prefix);

int cmd_clone(int argc, const char **argv, const char *prefix);

int cmd_clean(int argc, const char **argv, const char *prefix);

int cmd_column(int argc, const char **argv, const char *prefix);

int cmd_commit(int argc, const char **argv, const char *prefix);

int cmd_commit_graph(int argc, const char **argv, const char *prefix);

int cmd_commit_tree(int argc, const char **argv, const char *prefix);

int cmd_config(int argc, const char **argv, const char *prefix);

int cmd_count_objects(int argc, const char **argv, const char *prefix);

int cmd_credential(int argc, const char **argv, const char *prefix);

int cmd_credential_cache(int argc, const char **argv, const char *prefix);

int cmd_credential_cache_daemon(int argc, const char **argv, const char *prefix);

int cmd_credential_store(int argc, const char **argv, const char *prefix);

int cmd_describe(int argc, const char **argv, const char *prefix);

int cmd_diff_files(int argc, const char **argv, const char *prefix);

int cmd_diff_index(int argc, const char **argv, const char *prefix);

int cmd_diff(int argc, const char **argv, const char *prefix);

int cmd_diff_tree(int argc, const char **argv, const char *prefix);

int cmd_difftool(int argc, const char **argv, const char *prefix);

int cmd_env__helper(int argc, const char **argv, const char *prefix);

int cmd_fast_export(int argc, const char **argv, const char *prefix);

int cmd_fast_import(int argc, const char **argv, const char *prefix);

int cmd_fetch(int argc, const char **argv, const char *prefix);

int cmd_fetch_pack(int argc, const char **argv, const char *prefix);

int cmd_fmt_merge_msg(int argc, const char **argv, const char *prefix);

int cmd_for_each_ref(int argc, const char **argv, const char *prefix);

int cmd_for_each_repo(int argc, const char **argv, const char *prefix);

int cmd_format_patch(int argc, const char **argv, const char *prefix);

int cmd_fsck(int argc, const char **argv, const char *prefix);

int cmd_fsmonitor__daemon(int argc, const char **argv, const char *prefix);

int cmd_gc(int argc, const char **argv, const char *prefix);

int cmd_get_tar_commit_id(int argc, const char **argv, const char *prefix);

int cmd_grep(int argc, const char **argv, const char *prefix);

int cmd_hash_object(int argc, const char **argv, const char *prefix);

int cmd_help(int argc, const char **argv, const char *prefix);

int cmd_index_pack(int argc, const char **argv, const char *prefix);

int cmd_init_db(int argc, const char **argv, const char *prefix);

int cmd_interpret_trailers(int argc, const char **argv, const char *prefix);

int cmd_log(int argc, const char **argv, const char *prefix);

int cmd_log_reflog(int argc, const char **argv, const char *prefix);

int cmd_ls_files(int argc, const char **argv, const char *prefix);

int cmd_ls_tree(int argc, const char **argv, const char *prefix);

int cmd_ls_remote(int argc, const char **argv, const char *prefix);

int cmd_mailinfo(int argc, const char **argv, const char *prefix);

int cmd_mailsplit(int argc, const char **argv, const char *prefix);

int cmd_maintenance(int argc, const char **argv, const char *prefix);

int cmd_merge(int argc, const char **argv, const char *prefix);

int cmd_merge_base(int argc, const char **argv, const char *prefix);

int cmd_merge_index(int argc, const char **argv, const char *prefix);

int cmd_merge_ours(int argc, const char **argv, const char *prefix);

int cmd_merge_file(int argc, const char **argv, const char *prefix);

int cmd_merge_recursive(int argc, const char **argv, const char *prefix);

int cmd_merge_tree(int argc, const char **argv, const char *prefix);

int cmd_mktag(int argc, const char **argv, const char *prefix);

int cmd_mktree(int argc, const char **argv, const char *prefix);

int cmd_multi_pack_index(int argc, const char **argv, const char *prefix);

int cmd_mv(int argc, const char **argv, const char *prefix);

int cmd_name_rev(int argc, const char **argv, const char *prefix);

int cmd_notes(int argc, const char **argv, const char *prefix);

int cmd_pack_objects(int argc, const char **argv, const char *prefix);

int cmd_pack_redundant(int argc, const char **argv, const char *prefix);

int cmd_patch_id(int argc, const char **argv, const char *prefix);

int cmd_prune(int argc, const char **argv, const char *prefix);

int cmd_prune_packed(int argc, const char **argv, const char *prefix);

int cmd_pull(int argc, const char **argv, const char *prefix);

int cmd_push(int argc, const char **argv, const char *prefix);

int cmd_range_diff(int argc, const char **argv, const char *prefix);

int cmd_read_tree(int argc, const char **argv, const char *prefix);

int cmd_rebase(int argc, const char **argv, const char *prefix);

int cmd_rebase__interactive(int argc, const char **argv, const char *prefix);

int cmd_receive_pack(int argc, const char **argv, const char *prefix);

int cmd_reflog(int argc, const char **argv, const char *prefix);

int cmd_remote(int argc, const char **argv, const char *prefix);

int cmd_remote_ext(int argc, const char **argv, const char *prefix);

int cmd_remote_fd(int argc, const char **argv, const char *prefix);

int cmd_repack(int argc, const char **argv, const char *prefix);

int cmd_rerere(int argc, const char **argv, const char *prefix);

int cmd_reset(int argc, const char **argv, const char *prefix);

int cmd_restore(int argc, const char **argv, const char *prefix);

int cmd_rev_list(int argc, const char **argv, const char *prefix);

int cmd_rev_parse(int argc, const char **argv, const char *prefix);

int cmd_revert(int argc, const char **argv, const char *prefix);

int cmd_rm(int argc, const char **argv, const char *prefix);

int cmd_send_pack(int argc, const char **argv, const char *prefix);

int cmd_shortlog(int argc, const char **argv, const char *prefix);

int cmd_show(int argc, const char **argv, const char *prefix);

int cmd_show_branch(int argc, const char **argv, const char *prefix);

int cmd_show_index(int argc, const char **argv, const char *prefix);

int cmd_sparse_checkout(int argc, const char **argv, const char *prefix);

int cmd_status(int argc, const char **argv, const char *prefix);

int cmd_stash(int argc, const char **argv, const char *prefix);

int cmd_stripspace(int argc, const char **argv, const char *prefix);

int cmd_submodule__helper(int argc, const char **argv, const char *prefix);

int cmd_switch(int argc, const char **argv, const char *prefix);

int cmd_symbolic_ref(int argc, const char **argv, const char *prefix);

int cmd_tag(int argc, const char **argv, const char *prefix);

int cmd_unpack_file(int argc, const char **argv, const char *prefix);

int cmd_unpack_objects(int argc, const char **argv, const char *prefix);

int cmd_update_index(int argc, const char **argv, const char *prefix);

int cmd_update_ref(int argc, const char **argv, const char *prefix);

int cmd_update_server_info(int argc, const char **argv, const char *prefix);

int cmd_upload_archive(int argc, const char **argv, const char *prefix);

int cmd_upload_archive_writer(int argc, const char **argv, const char *prefix);

int cmd_upload_pack(int argc, const char **argv, const char *prefix);

int cmd_var(int argc, const char **argv, const char *prefix);

int cmd_verify_commit(int argc, const char **argv, const char *prefix);

int cmd_verify_tag(int argc, const char **argv, const char *prefix);

int cmd_version(int argc, const char **argv, const char *prefix);

int cmd_whatchanged(int argc, const char **argv, const char *prefix);

int cmd_worktree(int argc, const char **argv, const char *prefix);

int cmd_write_tree(int argc, const char **argv, const char *prefix);

int cmd_verify_pack(int argc, const char **argv, const char *prefix);

int cmd_show_ref(int argc, const char **argv, const char *prefix);

int cmd_pack_refs(int argc, const char **argv, const char *prefix);

int cmd_replace(int argc, const char **argv, const char *prefix);

#endif