$ git clone -n https://src.fedoraproject.org/rpms/libgpiod.git /var/lib/mock/f40-build-735346-106340/root/chroot_tmpdir/scmroot/libgpiod
Cloning into '/var/lib/mock/f40-build-735346-106340/root/chroot_tmpdir/scmroot/libgpiod'...
$ git fetch origin 01c6b0502c35cf859a1c4b6ba4df138e42779659:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libgpiod
 * [new ref]         01c6b0502c35cf859a1c4b6ba4df138e42779659 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 01c6b05 v2.1