$ git clone -n https://src.fedoraproject.org/rpms/perl-Devel-LeakGuard-Object.git /var/lib/mock/f39-build-1433323-31866/root/chroot_tmpdir/scmroot/perl-Devel-LeakGuard-Object
Cloning into '/var/lib/mock/f39-build-1433323-31866/root/chroot_tmpdir/scmroot/perl-Devel-LeakGuard-Object'...
$ git fetch origin 393595dea9ca73d2edcce16e88a45e1f2def392e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Devel-LeakGuard-Object
 * [new ref]         393595dea9ca73d2edcce16e88a45e1f2def392e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 393595d Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild