$ git clone -n https://src.fedoraproject.org/rpms/perl-DateTime-Tiny.git /var/lib/mock/f39-build-1437474-32138/root/chroot_tmpdir/scmroot/perl-DateTime-Tiny
Cloning into '/var/lib/mock/f39-build-1437474-32138/root/chroot_tmpdir/scmroot/perl-DateTime-Tiny'...
$ git fetch origin c49008602682b55308531a224972727bc8fb42b8:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-DateTime-Tiny
 * [new ref]         c49008602682b55308531a224972727bc8fb42b8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c490086 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild