$ git clone -n https://src.fedoraproject.org/rpms/php-markdown.git /var/lib/mock/f45-build-27962-627/root/chroot_tmpdir/scmroot/php-markdown
Cloning into '/var/lib/mock/f45-build-27962-627/root/chroot_tmpdir/scmroot/php-markdown'...
$ git fetch origin 25915e9af87eccfdd3b73fb1d8f8764ece5f8362:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/php-markdown
 * [new ref]         25915e9af87eccfdd3b73fb1d8f8764ece5f8362 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 25915e9 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild