[PATCH 03/20] packed_ref_cache: add a backlink to the associated `packed_ref_store`
It will prove convenient in upcoming patches.
Signed-off-by: Michael Haggerty <mhagger@alum.mit.edu>
---
refs/packed-backend.c | 23 ++++++++++++++++-------
1 file changed, 16 insertions(+), 7 deletions(-)
diff --git a/refs/packed-backend.c b/refs/packed-backend.c
index e411501871..a3d9210cb0 100644
--- a/refs/packed-backend.c
+++ b/refs/packed-backend.c
@@ -7,7 +7,15 @@
#include "../iterator.h"
#include "../lockfile.h"
+struct packed_ref_store;
+
struct packed_ref_cache {
+ /*
+ * A back-pointer to the packed_ref_store with which this
+ * cache is associated:
+ */
+ struct packed_ref_store *refs;
+
struct ref_cache *cache;
/*
@@ -154,7 +162,7 @@ static const char *parse_ref_line(struct strbuf *line, struct object_id *oid)
}
/*
- * Read from `packed_refs_file` into a newly-allocated
+ * Read from the `packed-refs` file into a newly-allocated
* `packed_ref_cache` and return it. The return value will already
* have its reference count incremented.
*
@@ -182,7 +190,7 @@ static const char *parse_ref_line(struct strbuf *line, struct object_id *oid)
* compatibility with older clients, but we do not require it
* (i.e., "peeled" is a no-op if "fully-peeled" is set).
*/
-static struct packed_ref_cache *read_packed_refs(const char *packed_refs_file)
+static struct packed_ref_cache *read_packed_refs(struct packed_ref_store *refs)
{
FILE *f;
struct packed_ref_cache *packed_refs = xcalloc(1, sizeof(*packed_refs));
@@ -191,11 +199,12 @@ static struct packed_ref_cache *read_packed_refs(const char *packed_refs_file)
enum { PEELED_NONE, PEELED_TAGS, PEELED_FULLY } peeled = PEELED_NONE;
struct ref_dir *dir;
+ packed_refs->refs = refs;
acquire_packed_ref_cache(packed_refs);
packed_refs->cache = create_ref_cache(NULL, NULL);
packed_refs->cache->root->flag &= ~REF_INCOMPLETE;
- f = fopen(packed_refs_file, "r");
+ f = fopen(refs->path, "r");
if (!f) {
if (errno == ENOENT) {
/*
@@ -205,7 +214,7 @@ static struct packed_ref_cache *read_packed_refs(const char *packed_refs_file)
*/
return packed_refs;
} else {
- die_errno("couldn't read %s", packed_refs_file);
+ die_errno("couldn't read %s", refs->path);
}
}
@@ -218,7 +227,7 @@ static struct packed_ref_cache *read_packed_refs(const char *packed_refs_file)
const char *traits;
if (!line.len || line.buf[line.len - 1] != '\n')
- die("unterminated line in %s: %s", packed_refs_file, line.buf);
+ die("unterminated line in %s: %s", refs->path, line.buf);
if (skip_prefix(line.buf, "# pack-refs with:", &traits)) {
if (strstr(traits, " fully-peeled "))
@@ -258,7 +267,7 @@ static struct packed_ref_cache *read_packed_refs(const char *packed_refs_file)
last->flag |= REF_KNOWS_PEELED;
} else {
strbuf_setlen(&line, line.len - 1);
- die("unexpected line in %s: %s", packed_refs_file, line.buf);
+ die("unexpected line in %s: %s", refs->path, line.buf);
}
}
@@ -293,7 +302,7 @@ static struct packed_ref_cache *get_packed_ref_cache(struct packed_ref_store *re
validate_packed_ref_cache(refs);
if (!refs->cache)
- refs->cache = read_packed_refs(refs->path);
+ refs->cache = read_packed_refs(refs);
return refs->cache;
}
--
2.14.1
Michael Haggerty <mhagger@alum.mit.edu>