$ git clone -n https://src.fedoraproject.org/rpms/perl-Test-WWW-Selenium.git /var/lib/mock/f45-build-26967-620/root/chroot_tmpdir/scmroot/perl-Test-WWW-Selenium
Cloning into '/var/lib/mock/f45-build-26967-620/root/chroot_tmpdir/scmroot/perl-Test-WWW-Selenium'...
$ git fetch origin e27360e02177cc7df274881a451633812ff19797:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Test-WWW-Selenium
 * [new ref]         e27360e02177cc7df274881a451633812ff19797 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e27360e Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild