git-svn: support -C<num> passing to git-diff-tree

[git.git] / upload-pack.c

diff --git a/upload-pack.c b/upload-pack.c
index 686445e..47560c9 100644 (file)
--- a/upload-pack.c
+++ b/upload-pack.c
@@ -4,6 +4,7 @@
 #include "tag.h"
 #include "object.h"
 #include "commit.h"
+#include "exec_cmd.h"
 
 static const char upload_pack_usage[] = "git-upload-pack [--strict] [--timeout=nn] <dir>";
 
@@ -13,6 +14,7 @@ static const char upload_pack_usage[] = "git-upload-pack [--strict] [--timeout=n
 #define MAX_HAS 256
 #define MAX_NEEDS 256
 static int nr_has = 0, nr_needs = 0, multi_ack = 0, nr_our_refs = 0;
+static int use_thin_pack = 0;
 static unsigned char has_sha1[MAX_HAS][20];
 static unsigned char needs_sha1[MAX_NEEDS][20];
 static unsigned int timeout = 0;
@@ -44,24 +46,26 @@ static void create_pack_file(void)
        if (!pid) {
                int i;
                int args;
-               char **argv;
+               const char **argv;
                char *buf;
                char **p;
 
-               if (create_full_pack)
+               if (create_full_pack) {
                        args = 10;
+                       use_thin_pack = 0; /* no point doing it */
+               }
                else
                        args = nr_has + nr_needs + 5;
-               argv = xmalloc(args * sizeof(char *));
+               p = xmalloc(args * sizeof(char *));
+               argv = (const char **) p;
                buf = xmalloc(args * 45);
-               p = argv;
 
                dup2(fd[1], 1);
                close(0);
                close(fd[0]);
                close(fd[1]);
-               *p++ = "git-rev-list";
-               *p++ = "--objects";
+               *p++ = "rev-list";
+               *p++ = use_thin_pack ? "--objects-edge" : "--objects";
                if (create_full_pack || MAX_NEEDS <= nr_needs)
                        *p++ = "--all";
                else {
@@ -79,13 +83,13 @@ static void create_pack_file(void)
                                buf += 41;
                        }
                *p++ = NULL;
-               execvp("git-rev-list", argv);
+               execv_git_cmd(argv);
                die("git-upload-pack: unable to exec git-rev-list");
        }
        dup2(fd[0], 0);
        close(fd[0]);
        close(fd[1]);
-       execlp("git-pack-objects", "git-pack-objects", "--stdout", NULL);
+       execl_git_cmd("pack-objects", "--stdout", NULL);
        die("git-upload-pack: unable to exec git-pack-objects");
 }
 
@@ -191,6 +195,8 @@ static int receive_needs(void)
                            "expected to get sha, not '%s'", line);
                if (strstr(line+45, "multi_ack"))
                        multi_ack = 1;
+               if (strstr(line+45, "thin-pack"))
+                       use_thin_pack = 1;
 
                /* We have sent all our refs already, and the other end
                 * should have chosen out of them; otherwise they are
@@ -212,17 +218,24 @@ static int receive_needs(void)
 
 static int send_ref(const char *refname, const unsigned char *sha1)
 {
-       static char *capabilities = "\0multi_ack";
+       static char *capabilities = "multi_ack thin-pack";
        struct object *o = parse_object(sha1);
 
-       packet_write(1, "%s %s%s\n", sha1_to_hex(sha1), refname, capabilities);
-       capabilities = "";
+       if (!o)
+               die("git-upload-pack: cannot find object %s:", sha1_to_hex(sha1));
+
+       if (capabilities)
+               packet_write(1, "%s %s%c%s\n", sha1_to_hex(sha1), refname,
+                       0, capabilities);
+       else
+               packet_write(1, "%s %s\n", sha1_to_hex(sha1), refname);
+       capabilities = NULL;
        if (!(o->flags & OUR_REF)) {
                o->flags |= OUR_REF;
                nr_our_refs++;
        }
        if (o->type == tag_type) {
-               o = deref_tag(o);
+               o = deref_tag(o, refname, 0);
                packet_write(1, "%s %s^{}\n", sha1_to_hex(o->sha1), refname);
        }
        return 0;
@@ -244,7 +257,7 @@ static int upload_pack(void)
 
 int main(int argc, char **argv)
 {
-       const char *dir;
+       char *dir;
        int i;
        int strict = 0;
 
@@ -271,18 +284,9 @@ int main(int argc, char **argv)
                usage(upload_pack_usage);
        dir = argv[i];
 
-       /* chdir to the directory. If that fails, try appending ".git" */
-       if (chdir(dir) < 0) {
-               if (strict || chdir(mkpath("%s.git", dir)) < 0)
-                       die("git-upload-pack unable to chdir to %s", dir);
-       }
-       if (!strict)
-               chdir(".git");
-
-       if (access("objects", X_OK) || access("refs", X_OK))
-               die("git-upload-pack: %s doesn't seem to be a git archive", dir);
+       if (!enter_repo(dir, strict))
+               die("'%s': unable to chdir or not a git archive", dir);
 
-       putenv("GIT_DIR=.");
        upload_pack();
        return 0;
 }