$ git clone -n https://src.fedoraproject.org/rpms/rust-cargo-insta.git /var/lib/mock/f42-build-3494613-45873/root/chroot_tmpdir/scmroot/rust-cargo-insta
Cloning into '/var/lib/mock/f42-build-3494613-45873/root/chroot_tmpdir/scmroot/rust-cargo-insta'...
$ git fetch origin 2139280acbbc8939468669235092d1eceb47fa34:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-cargo-insta
 * [new ref]         2139280acbbc8939468669235092d1eceb47fa34 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2139280 Update to version 1.42.1; Fixes RHBZ#2342089