$ git clone -n https://src.fedoraproject.org/rpms/tomcat-jakartaee-migration.git /var/lib/mock/f41-build-1279625-23171/root/chroot_tmpdir/scmroot/tomcat-jakartaee-migration
Cloning into '/var/lib/mock/f41-build-1279625-23171/root/chroot_tmpdir/scmroot/tomcat-jakartaee-migration'...
$ git fetch origin 81751fd16508e5b4592a795a20e58e3053e11bf7:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/tomcat-jakartaee-migration
 * [new ref]         81751fd16508e5b4592a795a20e58e3053e11bf7 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 81751fd Add javax2jakarta CLI