Merge branch 'cb/remove-dead-init'

diff --git a/t/t5500-fetch-pack.sh b/t/t5500-fetch-pack.sh
index 0f0fefad1e94097831dd5f9894c200454a9e1da9..086f2c40f68ffaf666a09d88b86709133559fc91 100755 (executable)
--- a/t/t5500-fetch-pack.sh
+++ b/t/t5500-fetch-pack.sh
@@ -50,8 +50,11 @@ pull_to_client () {
                        case "$heads" in *B*)
                            git update-ref refs/heads/B "$BTIP";;
                        esac &&
-                       git symbolic-ref HEAD refs/heads/$(echo $heads \
-                               | sed -e "s/^\(.\).*$/\1/") &&
+
+                       git symbolic-ref HEAD refs/heads/$(
+                               echo $heads |
+                               sed -e "s/^\(.\).*$/\1/"
+                       ) &&
 
                        git fsck --full &&
 
@@ -161,7 +164,7 @@ test_expect_success 'clone shallow object count' '
 test_expect_success 'clone shallow object count (part 2)' '
        sed -e "/^in-pack:/d" -e "/^packs:/d" -e "/^size-pack:/d" \
            -e "/: 0$/d" count.shallow > count_output &&
-       ! test -s count_output
+       test_must_be_empty count_output
 '
 
 test_expect_success 'fsck in shallow repo' '
@@ -403,7 +406,7 @@ test_expect_success 'fetch creating new shallow root' '
                git fetch --depth=1 --progress 2>actual &&
                # This should fetch only the empty commit, no tree or
                # blob objects
-               grep "remote: Total 1" actual
+               test_i18ngrep "remote: Total 1" actual
        )
 '
 
@@ -814,6 +817,39 @@ test_expect_success 'fetching deepen' '
        )
 '
 
+test_expect_success 'use ref advertisement to prune "have" lines sent' '
+       rm -rf server client &&
+       git init server &&
+       test_commit -C server both_have_1 &&
+       git -C server tag -d both_have_1 &&
+       test_commit -C server both_have_2 &&
+
+       git clone server client &&
+       test_commit -C server server_has &&
+       test_commit -C client client_has &&
+
+       # In both protocol v0 and v2, ensure that the parent of both_have_2 is
+       # not sent as a "have" line. The client should know that the server has
+       # both_have_2, so it only needs to inform the server that it has
+       # both_have_2, and the server can infer the rest.
+
+       rm -f trace &&
+       cp -r client clientv0 &&
+       GIT_TRACE_PACKET="$(pwd)/trace" git -C clientv0 \
+               fetch origin server_has both_have_2 &&
+       grep "have $(git -C client rev-parse client_has)" trace &&
+       grep "have $(git -C client rev-parse both_have_2)" trace &&
+       ! grep "have $(git -C client rev-parse both_have_2^)" trace &&
+
+       rm -f trace &&
+       cp -r client clientv2 &&
+       GIT_TRACE_PACKET="$(pwd)/trace" git -C clientv2 -c protocol.version=2 \
+               fetch origin server_has both_have_2 &&
+       grep "have $(git -C client rev-parse client_has)" trace &&
+       grep "have $(git -C client rev-parse both_have_2)" trace &&
+       ! grep "have $(git -C client rev-parse both_have_2^)" trace
+'
+
 test_expect_success 'filtering by size' '
        rm -rf server client &&
        test_create_repo server &&