$ git clone -n https://src.fedoraproject.org/rpms/libtoml.git /var/lib/mock/f40-build-780082-130664/root/chroot_tmpdir/scmroot/libtoml
Cloning into '/var/lib/mock/f40-build-780082-130664/root/chroot_tmpdir/scmroot/libtoml'...
$ git fetch origin 62a00af170c03035d9b1b17eaac459851e44d5cd:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libtoml
 * [new ref]         62a00af170c03035d9b1b17eaac459851e44d5cd -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 62a00af Rebuild for ICU 74