Patchwork D8162: hghave: add a `rust` keyword to detect the use of compiled rust code

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Submitter phabricator
Date Feb. 28, 2020, 6:54 p.m.
Message ID <ead5376c7aa970228d2434e217229c1c@localhost.localdomain>
Download mbox | patch
Permalink /patch/45387/
State Not Applicable
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phabricator - Feb. 28, 2020, 6:54 p.m.
marmoute updated this revision to Diff 20381.

REPOSITORY
  rHG Mercurial

CHANGES SINCE LAST UPDATE
  https://phab.mercurial-scm.org/D8162?vs=20337&id=20381

BRANCH
  default

CHANGES SINCE LAST ACTION
  https://phab.mercurial-scm.org/D8162/new/

REVISION DETAIL
  https://phab.mercurial-scm.org/D8162

AFFECTED FILES
  tests/hghave.py

CHANGE DETAILS




To: Alphare, #hg-reviewers
Cc: mercurial-devel

Patch

diff --git a/tests/hghave.py b/tests/hghave.py
--- a/tests/hghave.py
+++ b/tests/hghave.py
@@ -332,6 +332,17 @@ 
     return gethgversion() >= (int(major), int(minor))
 
 
+@check("rust", "Using the Rust extensions")
+def has_rust():
+    """Check is the mercurial currently running is using some rust code"""
+    cmd = b'hg debuginstall --quiet 2>&1'
+    match = br'checking module policy \(([^)]+)\)'
+    policy = matchoutput(cmd, match)
+    if not policy:
+        return False
+    return b'rust' in policy.group(1)
+
+
 @check("hg08", "Mercurial >= 0.8")
 def has_hg08():
     if checks["hg09"][0]():