$ git clone -n https://src.fedoraproject.org/rpms/rust-rpm-sequoia.git /var/lib/mock/f39-build-1820463-41839/root/chroot_tmpdir/scmroot/rust-rpm-sequoia
Cloning into '/var/lib/mock/f39-build-1820463-41839/root/chroot_tmpdir/scmroot/rust-rpm-sequoia'...
$ git fetch origin 5b5291c5014ed0bd71ce80c16f3c77e3ebf4ca64:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-rpm-sequoia
 * [new ref]         5b5291c5014ed0bd71ce80c16f3c77e3ebf4ca64 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5b5291c Update to version 1.5.0; Fixes RHBZ#2235784