$ git clone -n https://src.fedoraproject.org/rpms/rust-unic-locale-macros-impl.git /var/lib/mock/f41-build-side-115235-61078711-6588765/root/chroot_tmpdir/scmroot/rust-unic-locale-macros-impl
Cloning into '/var/lib/mock/f41-build-side-115235-61078711-6588765/root/chroot_tmpdir/scmroot/rust-unic-locale-macros-impl'...
$ git fetch origin d65740bc374943e4889ad1cfec2c58897dbfd3b3:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-unic-locale-macros-impl
 * [new ref]         d65740bc374943e4889ad1cfec2c58897dbfd3b3 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d65740b Update to version 0.9.6; Fixes RHBZ#2365367