$ git clone -n https://src.fedoraproject.org/rpms/thunderbird.git /var/lib/mock/f40-build-758603-119958/root/chroot_tmpdir/scmroot/thunderbird
Cloning into '/var/lib/mock/f40-build-758603-119958/root/chroot_tmpdir/scmroot/thunderbird'...
$ git reset --hard 9de489d34cddc1567f1c8067f5ba87d85b26abdf
HEAD is now at 9de489d Update to 115.5.1