[PATCH 11/31] repo: add index_state to struct repo

[Brandon Williams <bmwill@xxxxxxxxxx>]

Signed-off-by: Brandon Williams <bmwill@xxxxxxxxxx>
---
 repo.c | 17 +++++++++++++++++
 repo.h |  3 +++
 2 files changed, 20 insertions(+)

diff --git a/repo.c b/repo.c
index c67cad5a2..c79d29534 100644
--- a/repo.c
+++ b/repo.c
@@ -104,6 +104,17 @@ void repo_read_config(struct repo *repo)
 	git_config_with_options(config_set_callback, repo->config, NULL, &opts);
 }
 
+void repo_read_index(struct repo *repo)
+{
+	if (!repo->index)
+		repo->index = xcalloc(1, sizeof(struct index_state));
+	else
+		discard_index(repo->index);
+
+	if (read_index_from(repo->index, repo->index_file) < 0)
+		die(_("failure reading index"));
+}
+
 int repo_init(struct repo *repo, const char *gitdir)
 {
 	int error = 0;
@@ -149,4 +160,10 @@ void repo_clear(struct repo *repo)
 		free(repo->config);
 		repo->config = NULL;
 	}
+
+	if (repo->index) {
+		discard_index(repo->index);
+		free(repo->index);
+		repo->index = NULL;
+	}
 }
diff --git a/repo.h b/repo.h
index 284452832..756cda9e1 100644
--- a/repo.h
+++ b/repo.h
@@ -2,6 +2,7 @@
 #define REPO_H
 
 struct config_set;
+struct index_state;
 
 struct repo {
 	/* Environment */
@@ -20,6 +21,7 @@ struct repo {
 	 * ~/.gitconfig, XDG config file and the global /etc/gitconfig)
 	 */
 	struct config_set *config;
+	struct index_state *index;
 
 	/* Configurations */
 	unsigned ignore_env:1;
@@ -32,6 +34,7 @@ extern struct repo the_repository;
 extern void repo_set_gitdir(struct repo *repo, const char *path);
 extern void repo_set_worktree(struct repo *repo, const char *path);
 extern void repo_read_config(struct repo *repo);
+extern void repo_read_index(struct repo *repo);
 extern int repo_init(struct repo *repo, const char *path);
 extern void repo_clear(struct repo *repo);
 
-- 
2.13.0.506.g27d5fe0cd-goog