This new function will replace "read_sha1_file". This latter function
becoming just a stub to call the former will a NULL "replacement"
argument.
This new function is needed because sometimes we need to use the
replacement sha1.
Signed-off-by: Christian Couder <chriscool@xxxxxxxxxxxxx>
---
cache.h | 6 +++++-
sha1_file.c | 9 +++++++--
2 files changed, 12 insertions(+), 3 deletions(-)
diff --git a/cache.h b/cache.h
index 8e1af26..1b34381 100644
--- a/cache.h
+++ b/cache.h
@@ -625,7 +625,11 @@ int longest_ancestor_length(const char *path, const char *prefix_list);
/* Read and unpack a sha1 file into memory, write memory to a sha1 file */
extern int sha1_object_info(const unsigned char *, unsigned long *);
-extern void * read_sha1_file(const unsigned char *sha1, enum object_type *type, unsigned long *size);
+extern void *read_sha1_file_repl(const unsigned char *sha1, enum object_type *type, unsigned long *size, const unsigned char **replacement);
+static inline void *read_sha1_file(const unsigned char *sha1, enum object_type *type, unsigned long *size)
+{
+ return read_sha1_file_repl(sha1, type, size, NULL);
+}
extern int hash_sha1_file(const void *buf, unsigned long len, const char *type, unsigned char *sha1);
extern int write_sha1_file(void *buf, unsigned long len, const char *type, unsigned char *return_sha1);
extern int pretend_sha1_file(void *, unsigned long, enum object_type, unsigned char *);
diff --git a/sha1_file.c b/sha1_file.c
index 4f2fd10..ea89ce5 100644
--- a/sha1_file.c
+++ b/sha1_file.c
@@ -2160,8 +2160,10 @@ static void *read_object(const unsigned char *sha1, enum object_type *type,
return read_packed_sha1(sha1, type, size);
}
-void *read_sha1_file(const unsigned char *sha1, enum object_type *type,
- unsigned long *size)
+void *read_sha1_file_repl(const unsigned char *sha1,
+ enum object_type *type,
+ unsigned long *size,
+ const unsigned char **replacement)
{
const unsigned char *repl = lookup_replace_object(sha1);
void *data = read_object(repl, type, size);
@@ -2175,6 +2177,9 @@ void *read_sha1_file(const unsigned char *sha1, enum object_type *type,
if (!data && (has_loose_object(repl) || has_packed_and_bad(repl)))
die("object %s is corrupted", sha1_to_hex(repl));
+ if (replacement)
+ *replacement = repl;
+
return data;
}
--
1.6.1.231.g9c286
--
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