$ git clone -n https://src.fedoraproject.org/rpms/rust-cmake.git /var/lib/mock/f38-build-side-43-rust-devel-1415705-31455/root/chroot_tmpdir/scmroot/rust-cmake
Cloning into '/var/lib/mock/f38-build-side-43-rust-devel-1415705-31455/root/chroot_tmpdir/scmroot/rust-cmake'...
$ git fetch origin f3e1f17712d09bde0d27ab68d4ce237a584302c5:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-cmake
 * [new ref]         f3e1f17712d09bde0d27ab68d4ce237a584302c5 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f3e1f17 Update to version 0.1.50; Fixes RHBZ#2182241