t5551: factor out tag creation

One of our tests in t5551 creates a large number of tags, and jumps through some hoops to do it efficiently. Let's factor that out into a function so we can make other similar tests. Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>

Jeff King committed May 20, 2015 at 03:36 UTC cc969c8dc1cfd1f60b1dab8ee3117172d9d1bb4f
1 file changed +21 -13
t/t5551-http-fetch-smart.sh
+21 -13
@@ -213,27 +213,35 @@ test_expect_success 'cookies stored in http.cookiefile when http.savecookies set
213 test_cmp expect_cookies.txt cookies_tail.txt
214 '
215
216 -test_expect_success EXPENSIVE 'create 50,000 tags in the repo' '
217 - (
218 - cd "$HTTPD_DOCUMENT_ROOT_PATH/repo.git" &&
219 - for i in `test_seq 50000`
216 +# create an arbitrary number of tags, numbered from tag-$1 to tag-$2
217 +create_tags () {
218 + rm -f marks &&
219 + for i in $(test_seq "$1" "$2")
220 do
221 - echo "commit refs/heads/too-many-refs"
222 - echo "mark :$i"
223 - echo "committer git <git@example.com> $i +0000"
224 - echo "data 0"
225 - echo "M 644 inline bla.txt"
226 - echo "data 4"
227 - echo "bla"
221 + # don't use here-doc, because it requires a process
222 + # per loop iteration
223 + echo "commit refs/heads/too-many-refs-$1" &&
224 + echo "mark :$i" &&
225 + echo "committer git <git@example.com> $i +0000" &&
226 + echo "data 0" &&
227 + echo "M 644 inline bla.txt" &&
228 + echo "data 4" &&
229 + echo "bla" &&
230 # make every commit dangling by always
231 # rewinding the branch after each commit
230 - echo "reset refs/heads/too-many-refs"
231 - echo "from :1"
232 + echo "reset refs/heads/too-many-refs-$1" &&
233 + echo "from :$1"
234 done | git fast-import --export-marks=marks &&
235
236 # now assign tags to all the dangling commits we created above
237 tag=$(perl -e "print \"bla\" x 30") &&
238 sed -e "s|^:\([^ ]*\) \(.*\)$|\2 refs/tags/$tag-\1|" <marks >>packed-refs
239 +}
240 +
241 +test_expect_success 'create 50,000 tags in the repo' '
242 + (
243 + cd "$HTTPD_DOCUMENT_ROOT_PATH/repo.git" &&
244 + create_tags 1 50000
245 )
246 '
247