$ git clone -n https://src.fedoraproject.org/rpms/gh.git /var/lib/mock/f39-build-2096786-50404/root/chroot_tmpdir/scmroot/gh
Cloning into '/var/lib/mock/f39-build-2096786-50404/root/chroot_tmpdir/scmroot/gh'...
$ git fetch origin 207c1b2fada78cc1ec3e7294a930084e249ac0e9:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/gh
 * [new ref]         207c1b2fada78cc1ec3e7294a930084e249ac0e9 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 207c1b2 Update to 2.40.1 - Closes rhbz#2253744