$ git clone -n https://src.fedoraproject.org/rpms/jacoco.git /var/lib/mock/f39-build-1598625-38489/root/chroot_tmpdir/scmroot/jacoco
Cloning into '/var/lib/mock/f39-build-1598625-38489/root/chroot_tmpdir/scmroot/jacoco'...
$ git fetch origin 2c0aef2aa11703e701b655b1a155a79142de4852:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/jacoco
 * [new ref]         2c0aef2aa11703e701b655b1a155a79142de4852 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2c0aef2 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild