$ git clone -n https://src.fedoraproject.org/rpms/maven-shared-incremental.git /var/lib/mock/f39-build-1568009-37601/root/chroot_tmpdir/scmroot/maven-shared-incremental
Cloning into '/var/lib/mock/f39-build-1568009-37601/root/chroot_tmpdir/scmroot/maven-shared-incremental'...
$ git fetch origin f9b63cc9aab30384ff0cb483138d7582421def72:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/maven-shared-incremental
 * [new ref]         f9b63cc9aab30384ff0cb483138d7582421def72 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f9b63cc Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild