$ git clone -n https://src.fedoraproject.org/rpms/subscription-manager.git /var/lib/mock/f40-build-735074-106194/root/chroot_tmpdir/scmroot/subscription-manager
Cloning into '/var/lib/mock/f40-build-735074-106194/root/chroot_tmpdir/scmroot/subscription-manager'...
$ git fetch origin 2c682d6e3bcf77c88471750ebfdbf034078f3d9c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/subscription-manager
 * [new ref]         2c682d6e3bcf77c88471750ebfdbf034078f3d9c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2c682d6 [packit] 1.29.38 upstream release