t7900-subtree.sh: use the $( ... ) construct for command substitution

diff --git a/remote-curl.c b/remote-curl.c
index e38c4b026f2ad63181c765cd38ceb72ef30c4ee8..52c2d96ce6183ca8b3498794304fa8dc98f8f42a 100644 (file)
--- a/remote-curl.c
+++ b/remote-curl.c
@@ -10,6 +10,7 @@
 #include "sideband.h"
 #include "argv-array.h"
 #include "credential.h"
+#include "sha1-array.h"
 
 static struct remote *remote;
 /* always ends with a trailing slash */
@@ -20,6 +21,8 @@ struct options {
        unsigned long depth;
        unsigned progress : 1,
                check_self_contained_and_connected : 1,
+               cloning : 1,
+               update_shallow : 1,
                followtags : 1,
                dry_run : 1,
                thin : 1;
@@ -87,8 +90,23 @@ static int set_option(const char *name, const char *value)
                string_list_append(&cas_options, val.buf);
                strbuf_release(&val);
                return 0;
-       }
-       else {
+       } else if (!strcmp(name, "cloning")) {
+               if (!strcmp(value, "true"))
+                       options.cloning = 1;
+               else if (!strcmp(value, "false"))
+                       options.cloning = 0;
+               else
+                       return -1;
+               return 0;
+       } else if (!strcmp(name, "update-shallow")) {
+               if (!strcmp(value, "true"))
+                       options.update_shallow = 1;
+               else if (!strcmp(value, "false"))
+                       options.update_shallow = 0;
+               else
+                       return -1;
+               return 0;
+       } else {
                return 1 /* unsupported */;
        }
 }
@@ -99,6 +117,7 @@ struct discovery {
        char *buf;
        size_t len;
        struct ref *refs;
+       struct sha1_array shallow;
        unsigned proto_git : 1;
 };
 static struct discovery *last_discovery;
@@ -107,7 +126,7 @@ static struct ref *parse_git_refs(struct discovery *heads, int for_push)
 {
        struct ref *list = NULL;
        get_remote_heads(-1, heads->buf, heads->len, &list,
-                        for_push ? REF_NORMAL : 0, NULL);
+                        for_push ? REF_NORMAL : 0, NULL, &heads->shallow);
        return list;
 }
 
@@ -168,6 +187,7 @@ static void free_discovery(struct discovery *d)
        if (d) {
                if (d == last_discovery)
                        last_discovery = NULL;
+               free(d->shallow.sha1);
                free(d->buf_alloc);
                free_refs(d->refs);
                free(d);
@@ -403,11 +423,8 @@ static int run_slot(struct active_request_slot *slot,
        if (!results)
                results = &results_buf;
 
-       slot->results = results;
-       slot->curl_result = curl_easy_perform(slot->curl);
-       finish_active_slot(slot);
+       err = run_one_slot(slot, results);
 
-       err = handle_curl_result(results);
        if (err != HTTP_OK && err != HTTP_REAUTH) {
                error("RPC failed; result=%d, HTTP code = %ld",
                      results->curl_result, results->http_code);
@@ -699,7 +716,7 @@ static int fetch_git(struct discovery *heads,
        struct strbuf preamble = STRBUF_INIT;
        char *depth_arg = NULL;
        int argc = 0, i, err;
-       const char *argv[16];
+       const char *argv[17];
 
        argv[argc++] = "fetch-pack";
        argv[argc++] = "--stateless-rpc";
@@ -715,6 +732,10 @@ static int fetch_git(struct discovery *heads,
        }
        if (options.check_self_contained_and_connected)
                argv[argc++] = "--check-self-contained-and-connected";
+       if (options.cloning)
+               argv[argc++] = "--cloning";
+       if (options.update_shallow)
+               argv[argc++] = "--update-shallow";
        if (!options.progress)
                argv[argc++] = "--no-progress";
        if (options.depth) {
@@ -730,7 +751,8 @@ static int fetch_git(struct discovery *heads,
                struct ref *ref = to_fetch[i];
                if (!ref->name || !*ref->name)
                        die("cannot fetch by sha1 over smart http");
-               packet_buf_write(&preamble, "%s\n", ref->name);
+               packet_buf_write(&preamble, "%s %s\n",
+                                sha1_to_hex(ref->old_sha1), ref->name);
        }
        packet_buf_flush(&preamble);