$ git clone -n https://src.fedoraproject.org/rpms/snapd.git /var/lib/mock/f40-build-747442-113171/root/chroot_tmpdir/scmroot/snapd
Cloning into '/var/lib/mock/f40-build-747442-113171/root/chroot_tmpdir/scmroot/snapd'...
$ git fetch origin b38b377fe4241caf203558d3c4350f0873ab35bb:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/snapd
 * [new ref]         b38b377fe4241caf203558d3c4350f0873ab35bb -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b38b377 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild