$ git clone -n https://src.fedoraproject.org/rpms/perl-Color-Library.git /var/lib/mock/f45-build-22417-591/root/chroot_tmpdir/scmroot/perl-Color-Library
Cloning into '/var/lib/mock/f45-build-22417-591/root/chroot_tmpdir/scmroot/perl-Color-Library'...
$ git fetch origin 1a9277bedacc6eb8801bc87024f36fb0cc6594e9:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Color-Library
 * [new ref]         1a9277bedacc6eb8801bc87024f36fb0cc6594e9 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1a9277b Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild