"make check-style" fails

[Chris Coulson]

(cd /build/buildd/firefox-trunk-26.0~a1~hg20130916r147348/js/src && /build/buildd/firefox-trunk-26.0~a1~hg20130916r147348/obj-x86_64-linux-gnu/_virtualenv/bin/python config/check_spidermonkey_style.py);
Traceback (most recent call last):
  File "config/check_spidermonkey_style.py", line 591, in <module>
    main()
  File "config/check_spidermonkey_style.py", line 580, in main
    ok = check_style()
  File "config/check_spidermonkey_style.py", line 246, in check_style
    for filename in get_all_filenames():
  File "config/check_spidermonkey_style.py", line 229, in get_all_filenames
    raise Exception('failed to run any of the repo manifest commands', cmds)
Exception: ('failed to run any of the repo manifest commands', [['hg', 'manifest', '-q'], ['git', 'ls-files', '--full-name', '../..']])
make[2]: *** [check-style] Error 1
make[2]: Leaving directory `/build/buildd/firefox-trunk-26.0~a1~hg20130916r147348/obj-x86_64-linux-gnu/js/src'
make[1]: *** [check] Error 2
make[1]: Leaving directory `/build/buildd/firefox-trunk-26.0~a1~hg20130916r147348/obj-x86_64-linux-gnu'