Merge branch 'cb/http-push-null-in-message-fix'

Code clean-up.

* cb/http-push-null-in-message-fix:
http-push: prevent format overflow warning with gcc >= 9

diff --combined http-push.c
index f675a9631662ef5f6841b376e352b7b159e52e14,f56cd91d44955f7f5ef8155b0dbb68b74672e016..e36561a6db0752f12fe22883f81489d62d81a4ca
--- 1/http-push.c
--- 2/http-push.c
+++ b/http-push.c
@@@ -145,7 -145,7 +145,7 @@@ struct remote_lock 
        char *url;
        char *owner;
        char *token;
 -      char tmpfile_suffix[41];
 +      char tmpfile_suffix[GIT_MAX_HEXSZ + 1];
        time_t start_time;
        long timeout;
        int refreshing;
@@@ -315,8 -315,7 +315,8 @@@ static void start_fetch_packed(struct t
                return;
        }
  
 -      fprintf(stderr, "Fetching pack %s\n", sha1_to_hex(target->sha1));
 +      fprintf(stderr, "Fetching pack %s\n",
 +              hash_to_hex(target->hash));
        fprintf(stderr, " which contains %s\n", oid_to_hex(&request->obj->oid));
  
        preq = new_http_pack_request(target, repo->url);
@@@ -399,7 -398,7 +399,7 @@@ static void start_put(struct transfer_r
        request->dest = strbuf_detach(&buf, NULL);
  
        append_remote_object_url(&buf, repo->url, hex, 0);
 -      strbuf_add(&buf, request->lock->tmpfile_suffix, 41);
 +      strbuf_add(&buf, request->lock->tmpfile_suffix, the_hash_algo->hexsz + 1);
        request->url = strbuf_detach(&buf, NULL);
  
        slot = get_active_slot();
@@@ -526,8 -525,8 +526,8 @@@ static void finish_request(struct trans
        if (request->headers != NULL)
                curl_slist_free_all(request->headers);
  
-       /* URL is reused for MOVE after PUT */
-       if (request->state != RUN_PUT) {
+       /* URL is reused for MOVE after PUT and used during FETCH */
+       if (request->state != RUN_PUT && request->state != RUN_FETCH_PACKED) {
                FREE_AND_NULL(request->url);
        }
  
@@@ -758,8 -757,8 +758,8 @@@ static void handle_lockprop_ctx(struct 
  static void handle_new_lock_ctx(struct xml_ctx *ctx, int tag_closed)
  {
        struct remote_lock *lock = (struct remote_lock *)ctx->userData;
 -      git_SHA_CTX sha_ctx;
 -      unsigned char lock_token_sha1[20];
 +      git_hash_ctx hash_ctx;
 +      unsigned char lock_token_hash[GIT_MAX_RAWSZ];
  
        if (tag_closed && ctx->cdata) {
                if (!strcmp(ctx->name, DAV_ACTIVELOCK_OWNER)) {
@@@ -771,12 -770,12 +771,12 @@@
                } else if (!strcmp(ctx->name, DAV_ACTIVELOCK_TOKEN)) {
                        lock->token = xstrdup(ctx->cdata);
  
 -                      git_SHA1_Init(&sha_ctx);
 -                      git_SHA1_Update(&sha_ctx, lock->token, strlen(lock->token));
 -                      git_SHA1_Final(lock_token_sha1, &sha_ctx);
 +                      the_hash_algo->init_fn(&hash_ctx);
 +                      the_hash_algo->update_fn(&hash_ctx, lock->token, strlen(lock->token));
 +                      the_hash_algo->final_fn(lock_token_hash, &hash_ctx);
  
                        lock->tmpfile_suffix[0] = '_';
 -                      memcpy(lock->tmpfile_suffix + 1, sha1_to_hex(lock_token_sha1), 40);
 +                      memcpy(lock->tmpfile_suffix + 1, hash_to_hex(lock_token_hash), the_hash_algo->hexsz);
                }
        }
  }
@@@ -1018,7 -1017,7 +1018,7 @@@ static void remote_ls(const char *path
  /* extract hex from sharded "xx/x{38}" filename */
  static int get_oid_hex_from_objpath(const char *path, struct object_id *oid)
  {
 -      if (strlen(path) != GIT_SHA1_HEXSZ + 1)
 +      if (strlen(path) != the_hash_algo->hexsz + 1)
                return -1;
  
        if (hex_to_bytes(oid->hash, path, 1))
@@@ -1026,7 -1025,7 +1026,7 @@@
        path += 2;
        path++; /* skip '/' */
  
 -      return hex_to_bytes(oid->hash + 1, path, GIT_SHA1_RAWSZ - 1);
 +      return hex_to_bytes(oid->hash + 1, path, the_hash_algo->rawsz - 1);
  }
  
  static void process_ls_object(struct remote_ls_ctx *ls)
@@@ -1374,7 -1373,7 +1374,7 @@@ static int get_delta(struct rev_info *r
        return count;
  }
  
 -static int update_remote(unsigned char *sha1, struct remote_lock *lock)
 +static int update_remote(const struct object_id *oid, struct remote_lock *lock)
  {
        struct active_request_slot *slot;
        struct slot_results results;
@@@ -1383,7 -1382,7 +1383,7 @@@
  
        dav_headers = get_dav_token_headers(lock, DAV_HEADER_IF);
  
 -      strbuf_addf(&out_buffer.buf, "%s\n", sha1_to_hex(sha1));
 +      strbuf_addf(&out_buffer.buf, "%s\n", oid_to_hex(oid));
  
        slot = get_active_slot();
        slot->results = &results;
@@@ -1948,7 -1947,7 +1948,7 @@@ int cmd_main(int argc, const char **arg
                run_request_queue();
  
                /* Update the remote branch if all went well */
 -              if (aborted || !update_remote(ref->new_oid.hash, ref_lock))
 +              if (aborted || !update_remote(&ref->new_oid, ref_lock))
                        rc = 1;
  
                if (!rc)