$ git clone -n https://src.fedoraproject.org/rpms/rust-gix-validate.git /var/lib/mock/f45-build-42041-788/root/chroot_tmpdir/scmroot/rust-gix-validate
Cloning into '/var/lib/mock/f45-build-42041-788/root/chroot_tmpdir/scmroot/rust-gix-validate'...
$ git fetch origin 2068bfaab4cc151cf239b4230d9d0bae79b01955:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-gix-validate
 * [new ref]         2068bfaab4cc151cf239b4230d9d0bae79b01955 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2068bfa Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild