$ git clone -n https://git.centos.org/rpms/thunderbird /var/lib/mock/dist-c8-updates-build-74182-24632/root/chroot_tmpdir/scmroot/thunderbird
Cloning into '/var/lib/mock/dist-c8-updates-build-74182-24632/root/chroot_tmpdir/scmroot/thunderbird'...
$ git reset --hard 842448289bec8c2008dba88494f209b2c7bef52a
HEAD is now at 8424482 Import, rebrand and enable openpgp support for thunderbird-78.12.0-3.el8_4