--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/tests/hghave Sat Jul 14 18:34:06 2007 +0200
@@ -0,0 +1,55 @@
+#!/usr/bin/env python
+"""Test the running system for features availability. Exit with zero
+if all features are there, non-zero otherwise.
+"""
+import optparse
+import os
+import sys
+
+def has_symlink():
+ return hasattr(os, "symlink")
+
+checks = {
+ "symlink": (has_symlink, "symbolic links"),
+}
+
+def list_features():
+ for name, feature in checks.iteritems():
+ desc = feature[1]
+ print name + ':', desc
+
+parser = optparse.OptionParser("%prog [options] [features]")
+parser.add_option("--list-features", action="store_true",
+ help="list available features")
+parser.add_option("-q", "--quiet", action="store_true",
+ help="check features silently")
+
+if __name__ == '__main__':
+ options, args = parser.parse_args()
+ if options.list_features:
+ list_features()
+ sys.exit(0)
+
+ quiet = options.quiet
+
+ failures = 0
+
+ def error(msg):
+ global failures
+ if not quiet:
+ sys.stderr.write(msg + '\n')
+ failures += 1
+
+ for feature in args:
+ if feature not in checks:
+ error('hghave: unknown feature: ' + feature)
+ continue
+
+ check, desc = checks[feature]
+ if not check():
+ error('hghave: missing feature: ' + desc)
+
+ if failures != 0:
+ sys.exit(1)
+
+