$ git clone -n https://src.fedoraproject.org/rpms/rust-gettext-rs.git /var/lib/mock/f45-build-41869-786/root/chroot_tmpdir/scmroot/rust-gettext-rs
Cloning into '/var/lib/mock/f45-build-41869-786/root/chroot_tmpdir/scmroot/rust-gettext-rs'...
$ git fetch origin 3b044b7bae5566ad9211a2e7fdb749ebc3eac895:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-gettext-rs
 * [new ref]         3b044b7bae5566ad9211a2e7fdb749ebc3eac895 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3b044b7 Update to version 0.8.0; Fixes RHBZ#2511657