$ git clone -n https://src.fedoraproject.org/rpms/rust-umask.git /var/lib/mock/f40-build-2654057-66905/root/chroot_tmpdir/scmroot/rust-umask
Cloning into '/var/lib/mock/f40-build-2654057-66905/root/chroot_tmpdir/scmroot/rust-umask'...
$ git fetch origin 7576fad330bb1cfe195fb5813829df3c2b06944d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-umask
 * [new ref]         7576fad330bb1cfe195fb5813829df3c2b06944d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7576fad Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild