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Repository: Added read_gitfile that allows you to read a .git file and extract the git directory path.

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This commit is contained in:
Romain Geissler 2011-06-04 00:10:55 +02:00
parent f2e6b8776e
commit 6a01b6bd60
1 changed files with 39 additions and 0 deletions
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39
src/repository.c
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@ -38,6 +38,9 @@
#define GIT_OBJECTS_INFO_DIR GIT_OBJECTS_DIR "info/"
#define GIT_OBJECTS_PACK_DIR GIT_OBJECTS_DIR "pack/"
#define GIT_FILE_CONTENT_PREFIX "gitdir: "
#define GIT_FILE_CONTENT_PREFIX_LENGTH 8
#define GIT_BRANCH_MASTER "master"
typedef struct {
@ -374,6 +377,42 @@ static int retrieve_ceiling_directories_offset(const char *path, const char *cei
return max_len <= min_len ? min_len : max_len;
}
static int read_gitfile(char *path_out, size_t size, const char *file_path, const char *base_path)
{
gitfo_buf file;
int error, end_offset;
char *data;
assert(file_path && path_out && size > 0);
error = gitfo_read_file(&file, file_path);
if (error < GIT_SUCCESS)
return error;
data = (char*)(file.data);
if (git__prefixcmp(data, GIT_FILE_CONTENT_PREFIX)) {
gitfo_free_buf(&file);
return git__throw(GIT_ENOTFOUND, "Invalid gitfile format `%s`", file_path);
}
end_offset = strlen(data) - 1;
for (;data[end_offset] != '\r' && data[end_offset] != '\n'; --end_offset);
data[end_offset] = '\0';
if (GIT_FILE_CONTENT_PREFIX_LENGTH == end_offset) {
gitfo_free_buf(&file);
return git__throw(GIT_ENOTFOUND, "No path in git file `%s`", file_path);
}
error = gitfo_prettify_dir_path(path_out, size, data + GIT_FILE_CONTENT_PREFIX_LENGTH, base_path);
gitfo_free_buf(&file);
return error;
}
void git_repository_free(git_repository *repo)
{
if (repo == NULL)