D117: run-tests: warn if --color=always and no pygments installed

[martinvonz (Martin von Zweigbergk)]

martinvonz updated this revision to Diff 254.
martinvonz marked an inline comment as done.

REPOSITORY
  rHG Mercurial

CHANGES SINCE LAST UPDATE
  https://phab.mercurial-scm.org/D117?vs=228&id=254

REVISION DETAIL
  https://phab.mercurial-scm.org/D117

AFFECTED FILES
  tests/run-tests.py

CHANGE DETAILS

diff --git a/tests/run-tests.py b/tests/run-tests.py
--- a/tests/run-tests.py
+++ b/tests/run-tests.py
@@ -413,6 +413,10 @@
         parser.error('--chg does not work when --with-hg is specified '
                      '(use --with-chg instead)')
 
+    if options.color == 'always' and not pygmentspresent:
+        sys.stderr.write('warning: --color=always ignored because '
+                         'pygments is not installed\n')
+
     global useipv6
     if options.ipv6:
         useipv6 = checksocketfamily('AF_INET6')



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To: martinvonz, #hg-reviewers
Cc: yuja, mercurial-devel