[PATCH 03/11] http: use struct object_id instead of bare sha1

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The dumb-http walker code still passes around and stores object ids as
"unsigned char *sha1". Let's modernize it.

There's probably still more work to be done to handle dumb-http fetches
with a new, larger hash. But that can wait; this is enough that we can
now convert some of the low-level object routines that we call into from
here (and in fact, some of the "oid.hash" references added here will be
further improved in the next patch).

Signed-off-by: Jeff King <peff@xxxxxxxx>
---
 http-push.c   |  2 +-
 http-walker.c |  6 +++---
 http.c        | 14 +++++++-------
 http.h        |  6 +++---
 4 files changed, 14 insertions(+), 14 deletions(-)

diff --git a/http-push.c b/http-push.c
index cd48590912..0141b0ad53 100644
--- a/http-push.c
+++ b/http-push.c
@@ -255,7 +255,7 @@ static void start_fetch_loose(struct transfer_request *request)
 	struct active_request_slot *slot;
 	struct http_object_request *obj_req;
 
-	obj_req = new_http_object_request(repo->url, request->obj->oid.hash);
+	obj_req = new_http_object_request(repo->url, &request->obj->oid);
 	if (obj_req == NULL) {
 		request->state = ABORTED;
 		return;
diff --git a/http-walker.c b/http-walker.c
index 0a392c85b6..856716c63d 100644
--- a/http-walker.c
+++ b/http-walker.c
@@ -58,7 +58,7 @@ static void start_object_request(struct walker *walker,
 	struct active_request_slot *slot;
 	struct http_object_request *req;
 
-	req = new_http_object_request(obj_req->repo->base, obj_req->oid.hash);
+	req = new_http_object_request(obj_req->repo->base, &obj_req->oid);
 	if (req == NULL) {
 		obj_req->state = ABORTED;
 		return;
@@ -543,11 +543,11 @@ static int fetch_object(struct walker *walker, unsigned char *sha1)
 	} else if (req->zret != Z_STREAM_END) {
 		walker->corrupt_object_found++;
 		ret = error("File %s (%s) corrupt", hex, req->url);
-	} else if (!hasheq(obj_req->oid.hash, req->real_sha1)) {
+	} else if (!oideq(&obj_req->oid, &req->real_oid)) {
 		ret = error("File %s has bad hash", hex);
 	} else if (req->rename < 0) {
 		struct strbuf buf = STRBUF_INIT;
-		loose_object_path(the_repository, &buf, req->sha1);
+		loose_object_path(the_repository, &buf, req->oid.hash);
 		ret = error("unable to write sha1 filename %s", buf.buf);
 		strbuf_release(&buf);
 	}
diff --git a/http.c b/http.c
index 0b6807cef9..8d42154792 100644
--- a/http.c
+++ b/http.c
@@ -2337,9 +2337,9 @@ static size_t fwrite_sha1_file(char *ptr, size_t eltsize, size_t nmemb,
 }
 
 struct http_object_request *new_http_object_request(const char *base_url,
-	unsigned char *sha1)
+						    const struct object_id *oid)
 {
-	char *hex = sha1_to_hex(sha1);
+	char *hex = oid_to_hex(oid);
 	struct strbuf filename = STRBUF_INIT;
 	struct strbuf prevfile = STRBUF_INIT;
 	int prevlocal;
@@ -2350,10 +2350,10 @@ struct http_object_request *new_http_object_request(const char *base_url,
 
 	freq = xcalloc(1, sizeof(*freq));
 	strbuf_init(&freq->tmpfile, 0);
-	hashcpy(freq->sha1, sha1);
+	oidcpy(&freq->oid, oid);
 	freq->localfile = -1;
 
-	loose_object_path(the_repository, &filename, sha1);
+	loose_object_path(the_repository, &filename, oid->hash);
 	strbuf_addf(&freq->tmpfile, "%s.temp", filename.buf);
 
 	strbuf_addf(&prevfile, "%s.prev", filename.buf);
@@ -2495,16 +2495,16 @@ int finish_http_object_request(struct http_object_request *freq)
 	}
 
 	git_inflate_end(&freq->stream);
-	git_SHA1_Final(freq->real_sha1, &freq->c);
+	git_SHA1_Final(freq->real_oid.hash, &freq->c);
 	if (freq->zret != Z_STREAM_END) {
 		unlink_or_warn(freq->tmpfile.buf);
 		return -1;
 	}
-	if (!hasheq(freq->sha1, freq->real_sha1)) {
+	if (!oideq(&freq->oid, &freq->real_oid)) {
 		unlink_or_warn(freq->tmpfile.buf);
 		return -1;
 	}
-	loose_object_path(the_repository, &filename, freq->sha1);
+	loose_object_path(the_repository, &filename, freq->oid.hash);
 	freq->rename = finalize_object_file(freq->tmpfile.buf, filename.buf);
 	strbuf_release(&filename);
 
diff --git a/http.h b/http.h
index d305ca1dc7..66c52b2e1e 100644
--- a/http.h
+++ b/http.h
@@ -224,8 +224,8 @@ struct http_object_request {
 	CURLcode curl_result;
 	char errorstr[CURL_ERROR_SIZE];
 	long http_code;
-	unsigned char sha1[20];
-	unsigned char real_sha1[20];
+	struct object_id oid;
+	struct object_id real_oid;
 	git_SHA_CTX c;
 	git_zstream stream;
 	int zret;
@@ -234,7 +234,7 @@ struct http_object_request {
 };
 
 extern struct http_object_request *new_http_object_request(
-	const char *base_url, unsigned char *sha1);
+	const char *base_url, const struct object_id *oid);
 extern void process_http_object_request(struct http_object_request *freq);
 extern int finish_http_object_request(struct http_object_request *freq);
 extern void abort_http_object_request(struct http_object_request *freq);
-- 
2.20.1.470.g640a3e2614




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