for_each_reflog_ent(): extract a helper to process a single entry

diff --git a/http-backend.c b/http-backend.c
index 869d515383b5fc9c562ea7987b1cd485cce12032..f50e77fb2890207bd7385b59bdd561133991c910 100644 (file)
--- a/http-backend.c
+++ b/http-backend.c
@@ -7,6 +7,7 @@
 #include "run-command.h"
 #include "string-list.h"
 #include "url.h"
+#include "argv-array.h"
 
 static const char content_type[] = "Content-Type";
 static const char content_length[] = "Content-Length";
@@ -317,8 +318,7 @@ static void run_service(const char **argv)
        const char *encoding = getenv("HTTP_CONTENT_ENCODING");
        const char *user = getenv("REMOTE_USER");
        const char *host = getenv("REMOTE_ADDR");
-       char *env[3];
-       struct strbuf buf = STRBUF_INIT;
+       struct argv_array env = ARGV_ARRAY_INIT;
        int gzipped_request = 0;
        struct child_process cld;
 
@@ -332,17 +332,15 @@ static void run_service(const char **argv)
        if (!host || !*host)
                host = "(none)";
 
-       memset(&env, 0, sizeof(env));
-       strbuf_addf(&buf, "GIT_COMMITTER_NAME=%s", user);
-       env[0] = strbuf_detach(&buf, NULL);
-
-       strbuf_addf(&buf, "GIT_COMMITTER_EMAIL=%s@http.%s", user, host);
-       env[1] = strbuf_detach(&buf, NULL);
-       env[2] = NULL;
+       if (!getenv("GIT_COMMITTER_NAME"))
+               argv_array_pushf(&env, "GIT_COMMITTER_NAME=%s", user);
+       if (!getenv("GIT_COMMITTER_EMAIL"))
+               argv_array_pushf(&env, "GIT_COMMITTER_EMAIL=%s@http.%s",
+                                user, host);
 
        memset(&cld, 0, sizeof(cld));
        cld.argv = argv;
-       cld.env = (const char *const *)env;
+       cld.env = env.argv;
        if (gzipped_request)
                cld.in = -1;
        cld.git_cmd = 1;
@@ -357,9 +355,7 @@ static void run_service(const char **argv)
 
        if (finish_command(&cld))
                exit(1);
-       free(env[0]);
-       free(env[1]);
-       strbuf_release(&buf);
+       argv_array_clear(&env);
 }
 
 static int show_text_ref(const char *name, const unsigned char *sha1,