$ git clone -n https://src.fedoraproject.org/rpms/watchman.git /var/lib/mock/f40-build-804574-144563/root/chroot_tmpdir/scmroot/watchman
Cloning into '/var/lib/mock/f40-build-804574-144563/root/chroot_tmpdir/scmroot/watchman'...
$ git fetch origin fb781d4b4b03a1d9edc847e24c9e3d19152908dc:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/watchman
 * [new ref]         fb781d4b4b03a1d9edc847e24c9e3d19152908dc -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at fb781d4 Rebuilt for folly 2024.01.22.00