smart-http: support shallow fetch/clone

[thirdparty/git.git] / builtin / fetch-pack.c

diff --git a/builtin/fetch-pack.c b/builtin/fetch-pack.c
index c8e858232a8e7a3536ef4d296efdc618e034c36e..81fae380e8ad8a3c2b32b023fce54cb126b81392 100644 (file)
--- a/builtin/fetch-pack.c
+++ b/builtin/fetch-pack.c
@@ -3,6 +3,7 @@
 #include "fetch-pack.h"
 #include "remote.h"
 #include "connect.h"
+#include "sha1-array.h"
 
 static const char fetch_pack_usage[] =
 "git fetch-pack [--all] [--stdin] [--quiet|-q] [--keep|-k] [--thin] "
@@ -13,6 +14,13 @@ static void add_sought_entry_mem(struct ref ***sought, int *nr, int *alloc,
                                 const char *name, int namelen)
 {
        struct ref *ref = xcalloc(1, sizeof(*ref) + namelen + 1);
+       unsigned char sha1[20];
+
+       if (namelen > 41 && name[40] == ' ' && !get_sha1_hex(name, sha1)) {
+               hashcpy(ref->old_sha1, sha1);
+               name += 41;
+               namelen -= 41;
+       }
 
        memcpy(ref->name, name, namelen);
        ref->name[namelen] = '\0';
@@ -39,6 +47,7 @@ int cmd_fetch_pack(int argc, const char **argv, const char *prefix)
        char **pack_lockfile_ptr = NULL;
        struct child_process *conn;
        struct fetch_pack_args args;
+       struct sha1_array shallow = SHA1_ARRAY_INIT;
 
        packet_trace_identity("fetch-pack");
 
@@ -106,6 +115,14 @@ int cmd_fetch_pack(int argc, const char **argv, const char *prefix)
                        args.check_self_contained_and_connected = 1;
                        continue;
                }
+               if (!strcmp("--cloning", arg)) {
+                       args.cloning = 1;
+                       continue;
+               }
+               if (!strcmp("--update-shallow", arg)) {
+                       args.update_shallow = 1;
+                       continue;
+               }
                usage(fetch_pack_usage);
        }
 
@@ -150,10 +167,10 @@ int cmd_fetch_pack(int argc, const char **argv, const char *prefix)
                                   args.verbose ? CONNECT_VERBOSE : 0);
        }
 
-       get_remote_heads(fd[0], NULL, 0, &ref, 0, NULL);
+       get_remote_heads(fd[0], NULL, 0, &ref, 0, NULL, &shallow);
 
-       ref = fetch_pack(&args, fd, conn, ref, dest,
-                        sought, nr_sought, pack_lockfile_ptr);
+       ref = fetch_pack(&args, fd, conn, ref, dest, sought, nr_sought,
+                        &shallow, pack_lockfile_ptr);
        if (pack_lockfile) {
                printf("lock %s\n", pack_lockfile);
                fflush(stdout);