$ git clone -n https://src.fedoraproject.org/rpms/maven-shared-incremental.git /var/lib/mock/f41-build-772578-13506/root/chroot_tmpdir/scmroot/maven-shared-incremental
Cloning into '/var/lib/mock/f41-build-772578-13506/root/chroot_tmpdir/scmroot/maven-shared-incremental'...
$ git fetch origin ac4b6d3164847efcdcd669e4061267e59a326a84:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/maven-shared-incremental
 * [new ref]         ac4b6d3164847efcdcd669e4061267e59a326a84 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ac4b6d3 Rebuilt for java-21-openjdk as system jdk