$ git clone -n https://src.fedoraproject.org/rpms/rust-unicode-xid.git /var/lib/mock/f37-build-side-31-rust-devel-124812-7036/root/chroot_tmpdir/scmroot/rust-unicode-xid
Cloning into '/var/lib/mock/f37-build-side-31-rust-devel-124812-7036/root/chroot_tmpdir/scmroot/rust-unicode-xid'...
$ git reset --hard e123b869a2392ec4e24e2120c6a93d4c27b45fd5
HEAD is now at e123b86 Update to version 0.2.4; Fixes RHBZ#2127228