comparison mercurial/commands.py @ 30462:356406ac454f

debuginstall: print compression engine support

Since compression engines may be provided by extensions and since
not all registered compression engines may be available to use,
it seems useful to provide a mechanism to see the state of known
compression engines.

This commit teaches `hg debuginstall` to print info on known and
available compression engines.

30461:d195fa651b51

    except Exception as inst:
        err = inst
        problems += 1
    fm.condwrite(err, 'extensionserror', " %s\n", err)

    # templates
    p = templater.templatepaths()
    fm.write('templatedirs', 'checking templates (%s)...\n', ' '.join(p))
    fm.condwrite(not p, '', _(" no template directories found\n"))
    if p:

30462:356406ac454f

    except Exception as inst:
        err = inst
        problems += 1
    fm.condwrite(err, 'extensionserror', " %s\n", err)

    compengines = util.compengines._engines.values()
    fm.write('compengines', _('checking registered compression engines (%s)\n'),
             fm.formatlist(sorted(e.name() for e in compengines),
                           name='compengine', fmt='%s', sep=', '))
    fm.write('compenginesavail', _('checking available compression engines '
                                   '(%s)\n'),
             fm.formatlist(sorted(e.name() for e in compengines
                                  if e.available()),
                           name='compengine', fmt='%s', sep=', '))

    # templates
    p = templater.templatepaths()
    fm.write('templatedirs', 'checking templates (%s)...\n', ' '.join(p))
    fm.condwrite(not p, '', _(" no template directories found\n"))
    if p: