$ git clone -n https://src.fedoraproject.org/rpms/vmmlib.git /var/lib/mock/f39-build-1470203-33883/root/chroot_tmpdir/scmroot/vmmlib
Cloning into '/var/lib/mock/f39-build-1470203-33883/root/chroot_tmpdir/scmroot/vmmlib'...
$ git fetch origin 03e815cd4fcbe637adcbb06bf81d410d3b8370f7:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/vmmlib
 * [new ref]         03e815cd4fcbe637adcbb06bf81d410d3b8370f7 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 03e815c Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild