Mercurial > hg
view tests/hghave @ 5242:9cd6578750b9
improve error message for 'hg merge' when repo already at branchtip
author | Benoit Boissinot <benoit.boissinot@ens-lyon.org> |
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date | Sat, 25 Aug 2007 11:30:11 +0200 |
parents | e5b21a549cc5 |
children | 4fa0f2dff643 |
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#!/usr/bin/env python """Test the running system for features availability. Exit with zero if all features are there, non-zero otherwise. If a feature name is prefixed with "no-", the absence of feature is tested. """ import optparse import os import sys import tempfile tempprefix = 'hg-hghave-' def has_symlink(): return hasattr(os, "symlink") def has_fifo(): return hasattr(os, "mkfifo") def has_executablebit(): fd, path = tempfile.mkstemp(prefix=tempprefix) os.close(fd) try: s = os.lstat(path).st_mode os.chmod(path, s | 0100) return (os.lstat(path).st_mode & 0100 != 0) finally: os.remove(path) def has_eol_in_paths(): try: fd, path = tempfile.mkstemp(prefix=tempprefix, suffix='\n\r') os.close(fd) os.remove(path) return True except: return False def has_hotshot(): try: # hotshot.stats tests hotshot and many problematic dependencies # like profile. import hotshot.stats return True except ImportError: return False def has_lsprof(): try: import _lsprof return True except ImportError: return False checks = { "eol-in-paths": (has_eol_in_paths, "end-of-lines in paths"), "execbit": (has_executablebit, "executable bit"), "fifo": (has_fifo, "named pipes"), "hotshot": (has_hotshot, "python hotshot module"), "lsprof": (has_lsprof, "python lsprof module"), "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: negate = feature.startswith('no-') if negate: feature = feature[3:] if feature not in checks: error('hghave: unknown feature: ' + feature) continue check, desc = checks[feature] if not negate and not check(): error('hghave: missing feature: ' + desc) elif negate and check(): error('hghave: system supports %s' % desc) if failures != 0: sys.exit(1)