Merge pull request #891 from arrbee/internal-ignore-api

API for managing in-memory ignore rules

4 files changed, 61 insertions, 9 deletions

diff --git a/src/attr.c b/src/attr.c
index de714a697..8a7ff28c5 100644
--- a/src/attr.c
+++ b/src/attr.c
@@ -612,6 +612,16 @@ int git_attr_cache__init(git_repository *repo)
 	if (ret < 0 && ret != GIT_ENOTFOUND)
 		return ret;
 
+	if (ret == GIT_ENOTFOUND) {
+		git_buf dflt = GIT_BUF_INIT;
+
+		ret = git_futils_find_global_file(&dflt, GIT_IGNORE_CONFIG_DEFAULT);
+		if (!ret)
+			cache->cfg_excl_file = git_buf_detach(&dflt);
+
+		git_buf_free(&dflt);
+	}
+
 	giterr_clear();
 
 	/* allocate hashtable for attribute and ignore file contents */
diff --git a/src/attr.h b/src/attr.h
index a35b1160f..78cfb57c6 100644
--- a/src/attr.h
+++ b/src/attr.h
@@ -12,6 +12,7 @@
 
 #define GIT_ATTR_CONFIG   "core.attributesfile"
 #define GIT_IGNORE_CONFIG "core.excludesfile"
+#define GIT_IGNORE_CONFIG_DEFAULT ".config/git/ignore"
 
 typedef struct {
 	int initialized;
diff --git a/src/ignore.c b/src/ignore.c
index 93d979f1a..1ac8afdf3 100644
--- a/src/ignore.c
+++ b/src/ignore.c
@@ -1,3 +1,4 @@
+#include "git2/ignore.h"
 #include "ignore.h"
 #include "path.h"
 
@@ -203,3 +204,51 @@ cleanup:
 	git_attr_path__free(&path);
 	return 0;
 }
+
+int git_ignore_add_rule(
+	git_repository *repo,
+	const char *rules)
+{
+	int error;
+	git_attr_file *ign_internal;
+
+	error = git_attr_cache__internal_file(
+		repo, GIT_IGNORE_INTERNAL, &ign_internal);
+
+	if (!error && ign_internal != NULL)
+		error = parse_ignore_file(repo, rules, ign_internal);
+
+	return error;
+}
+
+int git_ignore_clear_internal_rules(
+	git_repository *repo)
+{
+	int error;
+	git_attr_file *ign_internal;
+
+	error = git_attr_cache__internal_file(
+		repo, GIT_IGNORE_INTERNAL, &ign_internal);
+
+	if (!error && ign_internal != NULL)
+		git_attr_file__clear_rules(ign_internal);
+
+	return error;
+}
+
+int git_ignore_path_is_ignored(
+	int *ignored,
+	git_repository *repo,
+	const char *path)
+{
+	int error;
+	git_ignores ignores;
+
+	if (git_ignore__for_path(repo, path, &ignores) < 0)
+		return -1;
+
+	error = git_ignore__lookup(&ignores, path, ignored);
+	git_ignore__free(&ignores);
+	return error;
+}
+
diff --git a/src/status.c b/src/status.c
index 8e462552e..3d3d15d77 100644
--- a/src/status.c
+++ b/src/status.c
@@ -243,14 +243,6 @@ int git_status_should_ignore(
 	git_repository *repo,
 	const char *path)
 {
-	int error;
-	git_ignores ignores;
-
-	if (git_ignore__for_path(repo, path, &ignores) < 0)
-		return -1;
-
-	error = git_ignore__lookup(&ignores, path, ignored);
-	git_ignore__free(&ignores);
-	return error;
+	return git_ignore_path_is_ignored(ignored, repo, path);
 }