$ git clone -n https://src.fedoraproject.org/rpms/perl-Log-Handler.git /var/lib/mock/f39-build-1432928-31862/root/chroot_tmpdir/scmroot/perl-Log-Handler
Cloning into '/var/lib/mock/f39-build-1432928-31862/root/chroot_tmpdir/scmroot/perl-Log-Handler'...
$ git fetch origin 8f1b2970a53adb8103d68ef4b0a7d00744be1e3a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Log-Handler
 * [new ref]         8f1b2970a53adb8103d68ef4b0a7d00744be1e3a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8f1b297 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild