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[PATCH 16/23] midx: prepare midxed_git struct




Signed-off-by: Derrick Stolee <dstolee@xxxxxxxxxxxxx>
---
 midx.c         | 22 ++++++++++++++++++++++
 midx.h         |  2 ++
 object-store.h |  7 +++++++
 packfile.c     |  6 +++++-
 4 files changed, 36 insertions(+), 1 deletion(-)

diff --git a/midx.c b/midx.c
index a49300bf75..5e9290ca8f 100644
--- a/midx.c
+++ b/midx.c
@@ -175,6 +175,28 @@ struct midxed_git *load_midxed_git(const char *object_dir)
 	exit(1);
 }
 
+int prepare_midxed_git_one(struct repository *r, const char *object_dir)
+{
+	struct midxed_git *m = r->objects->midxed_git;
+	struct midxed_git *m_search;
+
+	if (!core_midx)
+		return 0;
+
+	for (m_search = m; m_search; m_search = m_search->next)
+		if (!strcmp(object_dir, m_search->object_dir))
+			return 1;
+
+	r->objects->midxed_git = load_midxed_git(object_dir);
+
+	if (r->objects->midxed_git) {
+		r->objects->midxed_git->next = m;
+		return 1;
+	}
+
+	return 0;
+}
+
 static size_t write_midx_header(struct hashfile *f,
 				unsigned char num_chunks,
 				uint32_t num_packs)
diff --git a/midx.h b/midx.h
index a1d18ed991..793203fc4a 100644
--- a/midx.h
+++ b/midx.h
@@ -5,8 +5,10 @@
 #include "cache.h"
 #include "object-store.h"
 #include "packfile.h"
+#include "repository.h"
 
 struct midxed_git *load_midxed_git(const char *object_dir);
+int prepare_midxed_git_one(struct repository *r, const char *object_dir);
 
 int write_midx_file(const char *object_dir);
 
diff --git a/object-store.h b/object-store.h
index 9b671f1b0a..7908d46e34 100644
--- a/object-store.h
+++ b/object-store.h
@@ -130,6 +130,13 @@ struct raw_object_store {
 	 */
 	struct oidmap *replace_map;
 
+	/*
+	 * private data
+	 *
+	 * should only be accessed directly by packfile.c and midx.c
+	 */
+	struct midxed_git *midxed_git;
+
 	/*
 	 * private data
 	 *
diff --git a/packfile.c b/packfile.c
index 1a714fbde9..b91ca9b9f5 100644
--- a/packfile.c
+++ b/packfile.c
@@ -15,6 +15,7 @@
 #include "tree-walk.h"
 #include "tree.h"
 #include "object-store.h"
+#include "midx.h"
 
 char *odb_pack_name(struct strbuf *buf,
 		    const unsigned char *sha1,
@@ -893,10 +894,13 @@ static void prepare_packed_git(struct repository *r)
 
 	if (r->objects->packed_git_initialized)
 		return;
+	prepare_midxed_git_one(r, r->objects->objectdir);
 	prepare_packed_git_one(r, r->objects->objectdir, 1);
 	prepare_alt_odb(r);
-	for (alt = r->objects->alt_odb_list; alt; alt = alt->next)
+	for (alt = r->objects->alt_odb_list; alt; alt = alt->next) {
+		prepare_midxed_git_one(r, alt->path);
 		prepare_packed_git_one(r, alt->path, 0);
+	}
 	rearrange_packed_git(r);
 	prepare_packed_git_mru(r);
 	r->objects->packed_git_initialized = 1;
-- 
2.18.0.rc1