diff options
Diffstat (limited to 'Documentation/technical/api-builtin.txt')
-rw-r--r-- | Documentation/technical/api-builtin.txt | 23 |
1 files changed, 14 insertions, 9 deletions
diff --git a/Documentation/technical/api-builtin.txt b/Documentation/technical/api-builtin.txt index 7ede1e64e5..22a39b9299 100644 --- a/Documentation/technical/api-builtin.txt +++ b/Documentation/technical/api-builtin.txt @@ -5,7 +5,7 @@ Adding a new built-in --------------------- There are 4 things to do to add a built-in command implementation to -git: +Git: . Define the implementation of the built-in command `foo` with signature: @@ -14,19 +14,22 @@ git: . Add the external declaration for the function to `builtin.h`. -. Add the command to `commands[]` table in `handle_internal_command()`, - defined in `git.c`. The entry should look like: +. 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. - Make sure there is a git directory to work on, and 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`:: @@ -37,9 +40,9 @@ where options is the bitwise-or of: Make sure there is a work tree, i.e. the command cannot act on bare repositories. - This makes only sense when `RUN_SETUP` is also set. + This only makes sense when `RUN_SETUP` is also set. -. Add `builtin-foo.o` to `BUILTIN_OBJS` in `Makefile`. +. Add `builtin/foo.o` to `BUILTIN_OBJS` in `Makefile`. Additionally, if `foo` is a new command, there are 3 more things to do: @@ -49,6 +52,8 @@ Additionally, if `foo` is a new command, there are 3 more things to do: . Add an entry for `git-foo` to `command-list.txt`. +. Add an entry for `/git-foo` to `.gitignore`. + How a built-in is called ------------------------ |