$ git clone -n https://src.fedoraproject.org/rpms/perl-Test-Without-Module.git /var/lib/mock/f39-build-1439651-32273/root/chroot_tmpdir/scmroot/perl-Test-Without-Module
Cloning into '/var/lib/mock/f39-build-1439651-32273/root/chroot_tmpdir/scmroot/perl-Test-Without-Module'...
$ git fetch origin 6573ace1734a81869725d0a0b1c23e299fd3aae3:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Test-Without-Module
 * [new ref]         6573ace1734a81869725d0a0b1c23e299fd3aae3 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6573ace Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild