$ git clone -n https://git.cclinux.org/stage/rpms/tomcat.git /var/lib/mock/dist-circle8_9-updates-build-111234-67658/root/chroot_tmpdir/scmroot/tomcat
Cloning into '/var/lib/mock/dist-circle8_9-updates-build-111234-67658/root/chroot_tmpdir/scmroot/tomcat'...
$ git fetch origin 4b2c5e31d79b9140b9b6aa8d99a05d60581000c6:KOJI_FETCH_HEAD
From https://git.cclinux.org/stage/rpms/tomcat
 * [new ref]         4b2c5e31d79b9140b9b6aa8d99a05d60581000c6 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4b2c5e3 import tomcat-9.0.62-27.el8_9.3