From 1b593e1ea4d2af0f6444d9a7788d5d99abd6fde5 Mon Sep 17 00:00:00 2001 From: Vincent Ambo Date: Sat, 11 Jan 2020 23:36:56 +0000 Subject: Squashed 'third_party/git/' content from commit cb71568594 git-subtree-dir: third_party/git git-subtree-split: cb715685942260375e1eb8153b0768a376e4ece7 --- tmp-objdir.h | 54 ++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 54 insertions(+) create mode 100644 tmp-objdir.h (limited to 'tmp-objdir.h') diff --git a/tmp-objdir.h b/tmp-objdir.h new file mode 100644 index 000000000000..b1e45b4c75d2 --- /dev/null +++ b/tmp-objdir.h @@ -0,0 +1,54 @@ +#ifndef TMP_OBJDIR_H +#define TMP_OBJDIR_H + +/* + * This API allows you to create a temporary object directory, advertise it to + * sub-processes via GIT_OBJECT_DIRECTORY and GIT_ALTERNATE_OBJECT_DIRECTORIES, + * and then either migrate its object into the main object directory, or remove + * it. The library handles unexpected signal/exit death by cleaning up the + * temporary directory. + * + * Example: + * + * struct tmp_objdir *t = tmp_objdir_create(); + * if (!run_command_v_opt_cd_env(cmd, 0, NULL, tmp_objdir_env(t)) && + * !tmp_objdir_migrate(t)) + * printf("success!\n"); + * else + * die("failed...tmp_objdir will clean up for us"); + * + */ + +struct tmp_objdir; + +/* + * Create a new temporary object directory; returns NULL on failure. + */ +struct tmp_objdir *tmp_objdir_create(void); + +/* + * Return a list of environment strings, suitable for use with + * child_process.env, that can be passed to child programs to make use of the + * temporary object directory. + */ +const char **tmp_objdir_env(const struct tmp_objdir *); + +/* + * Finalize a temporary object directory by migrating its objects into the main + * object database, removing the temporary directory, and freeing any + * associated resources. + */ +int tmp_objdir_migrate(struct tmp_objdir *); + +/* + * Destroy a temporary object directory, discarding any objects it contains. + */ +int tmp_objdir_destroy(struct tmp_objdir *); + +/* + * Add the temporary object directory as an alternate object store in the + * current process. + */ +void tmp_objdir_add_as_alternate(const struct tmp_objdir *); + +#endif /* TMP_OBJDIR_H */ -- cgit 1.4.1