$ git clone -n https://src.fedoraproject.org/rpms/rust-reqwest.git /var/lib/mock/f39-build-1526631-36083/root/chroot_tmpdir/scmroot/rust-reqwest
Cloning into '/var/lib/mock/f39-build-1526631-36083/root/chroot_tmpdir/scmroot/rust-reqwest'...
$ git fetch origin 71a7d9cdcdab5c25326569c7e1eb1c400ba6d2c4:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-reqwest
 * [new ref]         71a7d9cdcdab5c25326569c7e1eb1c400ba6d2c4 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 71a7d9c Update to version 0.11.22; Fixes RHBZ#2241801