$ git clone -n https://src.fedoraproject.org/rpms/mercurial.git /var/lib/mock/f40-build-756214-118730/root/chroot_tmpdir/scmroot/mercurial
Cloning into '/var/lib/mock/f40-build-756214-118730/root/chroot_tmpdir/scmroot/mercurial'...
$ git reset --hard 1da3f98047fb428f22f5ed56742e5137396f5d44
HEAD is now at 1da3f98 mercurial 6.6 and patch to use cargo toml 0.8