$ git clone -n https://src.fedoraproject.org/rpms/perl-Test-Trap.git /var/lib/mock/f45-build-26969-620/root/chroot_tmpdir/scmroot/perl-Test-Trap
Cloning into '/var/lib/mock/f45-build-26969-620/root/chroot_tmpdir/scmroot/perl-Test-Trap'...
$ git fetch origin 622fd8a1332adb00c3b6f8986960d38b3ef56446:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Test-Trap
 * [new ref]         622fd8a1332adb00c3b6f8986960d38b3ef56446 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 622fd8a Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild