git-fetch: Fix "argument list too long"

If $ls_remote_result was too long,

    git-fetch--tool -s pick-rref "$rref" "$ls_remote_result"

in git-fetch will fail with "argument list too long".

This patch fixes git-fetch--tool and git-fetch by passing
$ls_remote_result via stdin.

Signed-off-by: OGAWA Hirofumi <hirofumi@mail.parknet.co.jp>
Signed-off-by: Junio C Hamano <junkio@cox.net>

diff --git a/builtin-fetch--tool.c b/builtin-fetch--tool.c
index be341c159fb17117c4cc55a8efa9e2107375a06b..3145c01f7e0e81bf28314b92737ccf2abb129dcd 100644 (file)
--- a/builtin-fetch--tool.c
+++ b/builtin-fetch--tool.c
@@ -571,9 +571,13 @@ int cmd_fetch__tool(int argc, const char **argv, const char *prefix)
                return parse_reflist(reflist);
        }
        if (!strcmp("pick-rref", argv[1])) {
+               const char *ls_remote_result;
                if (argc != 4)
                        return error("pick-rref takes 2 args");
-               return pick_rref(sopt, argv[2], argv[3]);
+               ls_remote_result = argv[3];
+               if (!strcmp(ls_remote_result, "-"))
+                       ls_remote_result = get_stdin();
+               return pick_rref(sopt, argv[2], ls_remote_result);
        }
        if (!strcmp("expand-refs-wildcard", argv[1])) {
                const char *reflist;

diff --git a/git-fetch.sh b/git-fetch.sh
index 832b20cce629cb5753e849fb2a5b60ca707397a0..0e05cf1195737d2c7afc4b9447d7b4105908bf77 100755 (executable)
--- a/git-fetch.sh
+++ b/git-fetch.sh
@@ -189,8 +189,8 @@ fetch_all_at_once () {
                        # See if all of what we are going to fetch are
                        # connected to our repository's tips, in which
                        # case we do not have to do any fetch.
-                       theirs=$(git-fetch--tool -s pick-rref \
-                                       "$rref" "$ls_remote_result") &&
+                       theirs=$(echo "$ls_remote_result" | \
+                               git-fetch--tool -s pick-rref "$rref" "-") &&
 
                        # This will barf when $theirs reach an object that
                        # we do not have in our repository.  Otherwise,
@@ -198,7 +198,8 @@ fetch_all_at_once () {
                        git-rev-list --objects $theirs --not --all \
                                >/dev/null 2>/dev/null
                then
-                       git-fetch--tool pick-rref "$rref" "$ls_remote_result"
+                       echo "$ls_remote_result" | \
+                               git-fetch--tool pick-rref "$rref" "-"
                else
                        git-fetch-pack --thin $exec $keep $shallow_depth \
                                $quiet $no_progress "$remote" $rref ||
@@ -263,8 +264,8 @@ fetch_per_ref () {
          fi
 
          # Find $remote_name from ls-remote output.
-         head=$(git-fetch--tool -s pick-rref \
-                       "$remote_name" "$ls_remote_result")
+         head=$(echo "$ls_remote_result" | \
+               git-fetch--tool -s pick-rref "$remote_name" "-")
          expr "z$head" : "z$_x40\$" >/dev/null ||
                die "No such ref $remote_name at $remote"
          echo >&2 "Fetching $remote_name from $remote using $proto"