$ git clone -n https://src.fedoraproject.org/rpms/rust-selectors.git /var/lib/mock/f38-build-side-42-init-devel-1395162-31050/root/chroot_tmpdir/scmroot/rust-selectors
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-1395162-31050/root/chroot_tmpdir/scmroot/rust-selectors'...
$ git fetch origin d4aec85dd96c411d426c723d2f02bd22ccf7e953:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-selectors
 * [new ref]         d4aec85dd96c411d426c723d2f02bd22ccf7e953 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d4aec85 Update to version 0.24.0; Fixes RHBZ#2171840