$ git clone -n https://src.fedoraproject.org/rpms/msoffcrypto-tool.git /var/lib/mock/f40-build-2012107-45770/root/chroot_tmpdir/scmroot/msoffcrypto-tool
Cloning into '/var/lib/mock/f40-build-2012107-45770/root/chroot_tmpdir/scmroot/msoffcrypto-tool'...
$ git fetch origin 8ecabdf056b0ab61ec6ee0b3fd259a915914267f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/msoffcrypto-tool
 * [new ref]         8ecabdf056b0ab61ec6ee0b3fd259a915914267f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8ecabdf bump to 5.1.1