Merge pull request #5952 from libgit2/ethomson/attrs_from_commit

Support reading attributes from a specific commit

1 files changed, 27 insertions, 9 deletions

diff --git a/src/attr_file.h b/src/attr_file.h
index 617436b14..16e33caf1 100644
--- a/src/attr_file.h
+++ b/src/attr_file.h
@@ -37,12 +37,30 @@
 	(GIT_ATTR_FNMATCH_ALLOWSPACE | GIT_ATTR_FNMATCH_ALLOWNEG | GIT_ATTR_FNMATCH_ALLOWMACRO)
 
 typedef enum {
-	GIT_ATTR_FILE__IN_MEMORY   = 0,
-	GIT_ATTR_FILE__FROM_FILE   = 1,
-	GIT_ATTR_FILE__FROM_INDEX  = 2,
-	GIT_ATTR_FILE__FROM_HEAD   = 3,
+	GIT_ATTR_FILE_SOURCE_MEMORY = 0,
+	GIT_ATTR_FILE_SOURCE_FILE   = 1,
+	GIT_ATTR_FILE_SOURCE_INDEX  = 2,
+	GIT_ATTR_FILE_SOURCE_COMMIT = 3,
 
-	GIT_ATTR_FILE_NUM_SOURCES  = 4
+	GIT_ATTR_FILE_NUM_SOURCES   = 4
+} git_attr_file_source_t;
+
+typedef struct {
+	/* The source location for the attribute file. */
+	git_attr_file_source_t type;
+
+	/*
+	 * The filename of the attribute file to read (relative to the
+	 * given base path).
+	 */
+	const char *base;
+	const char *filename;
+
+	/*
+	 * The commit ID when the given source type is a commit (or NULL
+	 * for the repository's HEAD commit.)
+	 */
+	git_oid *commit_id;
 } git_attr_file_source;
 
 extern const char *git_attr__true;
@@ -124,7 +142,7 @@ extern int git_attr_get_many_with_session(
 	const char **values_out,
 	git_repository *repo,
 	git_attr_session *attr_session,
-	uint32_t flags,
+	git_attr_options *opts,
 	const char *path,
 	size_t num_attr,
 	const char **names);
@@ -142,7 +160,7 @@ typedef int (*git_attr_file_parser)(
 int git_attr_file__new(
 	git_attr_file **out,
 	git_attr_file_entry *entry,
-	git_attr_file_source source);
+	git_attr_file_source *source);
 
 void git_attr_file__free(git_attr_file *file);
 
@@ -151,7 +169,7 @@ int git_attr_file__load(
 	git_repository *repo,
 	git_attr_session *attr_session,
 	git_attr_file_entry *ce,
-	git_attr_file_source source,
+	git_attr_file_source *source,
 	git_attr_file_parser parser,
 	bool allow_macros);
 
@@ -159,7 +177,7 @@ int git_attr_file__load_standalone(
 	git_attr_file **out, const char *path);
 
 int git_attr_file__out_of_date(
-	git_repository *repo, git_attr_session *session, git_attr_file *file);
+	git_repository *repo, git_attr_session *session, git_attr_file *file, git_attr_file_source *source);
 
 int git_attr_file__parse_buffer(
 	git_repository *repo, git_attr_file *attrs, const char *data, bool allow_macros);