Merge branch 'mh/strbuf-read-file-returns-ssize-t' into maint

diff --git a/t/t5551-http-fetch-smart.sh b/t/t5551-http-fetch-smart.sh
index 66439e58fcf4b08a43ef417b054ae476ffbe3aea..58207d88250f57d448f4e83baf2add3192cb9455 100755 (executable)
--- a/t/t5551-http-fetch-smart.sh
+++ b/t/t5551-http-fetch-smart.sh
@@ -2,12 +2,6 @@
 
 test_description='test smart fetching over http via http-backend'
 . ./test-lib.sh
-
-if test -n "$NO_CURL"; then
-       skip_all='skipping test, git built without http support'
-       test_done
-fi
-
 . "$TEST_DIRECTORY"/lib-httpd.sh
 start_httpd
 
@@ -224,27 +218,35 @@ test_expect_success 'transfer.hiderefs works over smart-http' '
        git -C hidden.git rev-parse --verify b
 '
 
-test_expect_success 'create 2,000 tags in the repo' '
-       (
-       cd "$HTTPD_DOCUMENT_ROOT_PATH/repo.git" &&
-       for i in $(test_seq 2000)
+# create an arbitrary number of tags, numbered from tag-$1 to tag-$2
+create_tags () {
+       rm -f marks &&
+       for i in $(test_seq "$1" "$2")
        do
-               echo "commit refs/heads/too-many-refs"
-               echo "mark :$i"
-               echo "committer git <git@example.com> $i +0000"
-               echo "data 0"
-               echo "M 644 inline bla.txt"
-               echo "data 4"
-               echo "bla"
+               # don't use here-doc, because it requires a process
+               # per loop iteration
+               echo "commit refs/heads/too-many-refs-$1" &&
+               echo "mark :$i" &&
+               echo "committer git <git@example.com> $i +0000" &&
+               echo "data 0" &&
+               echo "M 644 inline bla.txt" &&
+               echo "data 4" &&
+               echo "bla" &&
                # make every commit dangling by always
                # rewinding the branch after each commit
-               echo "reset refs/heads/too-many-refs"
-               echo "from :1"
+               echo "reset refs/heads/too-many-refs-$1" &&
+               echo "from :$1"
        done | git fast-import --export-marks=marks &&
 
        # now assign tags to all the dangling commits we created above
        tag=$(perl -e "print \"bla\" x 30") &&
        sed -e "s|^:\([^ ]*\) \(.*\)$|\2 refs/tags/$tag-\1|" <marks >>packed-refs
+}
+
+test_expect_success 'create 2,000 tags in the repo' '
+       (
+               cd "$HTTPD_DOCUMENT_ROOT_PATH/repo.git" &&
+               create_tags 1 2000
        )
 '
 
@@ -265,5 +267,20 @@ test_expect_success 'large fetch-pack requests can be split across POSTs' '
        test_line_count = 2 posts
 '
 
+test_expect_success EXPENSIVE 'http can handle enormous ref negotiation' '
+       (
+               cd "$HTTPD_DOCUMENT_ROOT_PATH/repo.git" &&
+               create_tags 2001 50000
+       ) &&
+       git -C too-many-refs fetch -q --tags &&
+       (
+               cd "$HTTPD_DOCUMENT_ROOT_PATH/repo.git" &&
+               create_tags 50001 100000
+       ) &&
+       git -C too-many-refs fetch -q --tags &&
+       git -C too-many-refs for-each-ref refs/tags >tags &&
+       test_line_count = 100000 tags
+'
+
 stop_httpd
 test_done