$ git clone -n https://src.fedoraproject.org/rpms/credentials-fetcher.git /var/lib/mock/f40-build-2291389-56037/root/chroot_tmpdir/scmroot/credentials-fetcher
Cloning into '/var/lib/mock/f40-build-2291389-56037/root/chroot_tmpdir/scmroot/credentials-fetcher'...
$ git fetch origin b6a70361735e271e7345464268214947203cbec6:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/credentials-fetcher
 * [new ref]         b6a70361735e271e7345464268214947203cbec6 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b6a7036 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild