$ git clone -n https://src.fedoraproject.org/rpms/corsix-th.git /var/lib/mock/f39-build-1621930-38744/root/chroot_tmpdir/scmroot/corsix-th
Cloning into '/var/lib/mock/f39-build-1621930-38744/root/chroot_tmpdir/scmroot/corsix-th'...
$ git fetch origin 38b6c59895bff49daaa1060beb221cd9148959dc:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/corsix-th
 * [new ref]         38b6c59895bff49daaa1060beb221cd9148959dc -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 38b6c59 chore: Update to 0.67