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author | Patrick Steinhardt <ps@pks.im> | 2016-11-11 13:46:59 +0100 |
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committer | Patrick Steinhardt <ps@pks.im> | 2017-02-13 10:28:15 +0100 |
commit | cb3269c970db6766f8a953fee438b56119fd9847 (patch) | |
tree | 2b172c6d0d765edc4d16ddbe953e0ea46c5a8ee3 | |
parent | c09fd54e2ecb5d43c281ee0fccef6d95787ec510 (diff) | |
download | libgit2-cb3269c970db6766f8a953fee438b56119fd9847.tar.gz |
repository: add function to retrieve paths for repo items
-rw-r--r-- | include/git2/repository.h | 36 | ||||
-rw-r--r-- | src/repository.c | 61 |
2 files changed, 97 insertions, 0 deletions
diff --git a/include/git2/repository.h b/include/git2/repository.h index f60544553..74ce4c795 100644 --- a/include/git2/repository.h +++ b/include/git2/repository.h @@ -371,6 +371,42 @@ GIT_EXTERN(int) git_repository_head_unborn(git_repository *repo); GIT_EXTERN(int) git_repository_is_empty(git_repository *repo); /** + * List of items which belong to the git repository layout + */ +typedef enum { + GIT_REPOSITORY_ITEM_GITDIR, + GIT_REPOSITORY_ITEM_WORKDIR, + GIT_REPOSITORY_ITEM_COMMONDIR, + GIT_REPOSITORY_ITEM_INDEX, + GIT_REPOSITORY_ITEM_OBJECTS, + GIT_REPOSITORY_ITEM_REFS, + GIT_REPOSITORY_ITEM_PACKED_REFS, + GIT_REPOSITORY_ITEM_REMOTES, + GIT_REPOSITORY_ITEM_CONFIG, + GIT_REPOSITORY_ITEM_INFO, + GIT_REPOSITORY_ITEM_HOOKS, + GIT_REPOSITORY_ITEM_LOGS, + GIT_REPOSITORY_ITEM_MODULES, + GIT_REPOSITORY_ITEM_WORKTREES +} git_repository_item_t; + +/** + * Get the location of a specific repository file or directory + * + * This function will retrieve the path of a specific repository + * item. It will thereby honor things like the repository's + * common directory, gitdir, etc. In case a file path cannot + * exist for a given item (e.g. the working directory of a bare + * repository), an error is returned. + * + * @param out Buffer to store the path at + * @param repo Repository to get path for + * @param item The repository item for which to retrieve the path + * @return 0 on success, otherwise a negative value + */ +GIT_EXTERN(int) git_repository_item_path(git_buf *out, git_repository *repo, git_repository_item_t item); + +/** * Get the path of this repository * * This is the path of the `.git` folder for normal repositories, diff --git a/src/repository.c b/src/repository.c index 71b6ec44f..14ad7a599 100644 --- a/src/repository.c +++ b/src/repository.c @@ -36,6 +36,27 @@ GIT__USE_STRMAP # include "win32/w32_util.h" #endif +static const struct { + git_repository_item_t parent; + const char *name; + bool directory; +} items[] = { + { GIT_REPOSITORY_ITEM_GITDIR, NULL, true }, + { GIT_REPOSITORY_ITEM_WORKDIR, NULL, true }, + { GIT_REPOSITORY_ITEM_COMMONDIR, NULL, true }, + { GIT_REPOSITORY_ITEM_GITDIR, "index", false }, + { GIT_REPOSITORY_ITEM_COMMONDIR, "objects", true }, + { GIT_REPOSITORY_ITEM_COMMONDIR, "refs", true }, + { GIT_REPOSITORY_ITEM_COMMONDIR, "packed-refs", false }, + { GIT_REPOSITORY_ITEM_COMMONDIR, "remotes", true }, + { GIT_REPOSITORY_ITEM_COMMONDIR, "config", false }, + { GIT_REPOSITORY_ITEM_COMMONDIR, "info", true }, + { GIT_REPOSITORY_ITEM_COMMONDIR, "hooks", true }, + { GIT_REPOSITORY_ITEM_COMMONDIR, "logs", true }, + { GIT_REPOSITORY_ITEM_GITDIR, "modules", true }, + { GIT_REPOSITORY_ITEM_COMMONDIR, "worktrees", true } +}; + static int check_repositoryformatversion(git_config *config); #define GIT_COMMONDIR_FILE "commondir" @@ -2052,6 +2073,46 @@ int git_repository_is_empty(git_repository *repo) return is_empty; } +int git_repository_item_path(git_buf *out, git_repository *repo, git_repository_item_t item) +{ + const char *parent; + + switch (items[item].parent) { + case GIT_REPOSITORY_ITEM_GITDIR: + parent = git_repository_path(repo); + break; + case GIT_REPOSITORY_ITEM_WORKDIR: + parent = git_repository_workdir(repo); + break; + case GIT_REPOSITORY_ITEM_COMMONDIR: + parent = git_repository_commondir(repo); + break; + default: + giterr_set(GITERR_INVALID, "Invalid item directory"); + return -1; + } + + if (parent == NULL) { + giterr_set(GITERR_INVALID, "Path cannot exist in repository"); + return -1; + } + + if (git_buf_sets(out, parent) < 0) + return -1; + + if (items[item].name) { + if (git_buf_joinpath(out, parent, items[item].name) < 0) + return -1; + } + + if (items[item].directory) { + if (git_path_to_dir(out) < 0) + return -1; + } + + return 0; +} + const char *git_repository_path(git_repository *repo) { assert(repo); |