$ git clone -n https://src.fedoraproject.org/rpms/golang-github-alecthomas-assert.git /var/lib/mock/f40-build-2689193-68109/root/chroot_tmpdir/scmroot/golang-github-alecthomas-assert
Cloning into '/var/lib/mock/f40-build-2689193-68109/root/chroot_tmpdir/scmroot/golang-github-alecthomas-assert'...
$ git fetch origin 18c3b4939e8ee178f001b4f006bcb242a224659b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-github-alecthomas-assert
 * [new ref]         18c3b4939e8ee178f001b4f006bcb242a224659b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 18c3b49 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild