1.1 --- a/en/examples/run-example	Mon Mar 26 23:20:59 2007 -0700
     1.2 +++ b/en/examples/run-example	Tue Mar 27 15:04:47 2007 -0700
     1.3 @@ -46,6 +46,13 @@
     1.4              raise
     1.5      return False
     1.6  
     1.7 +def find_path_to(program):
     1.8 +    for p in os.environ.get('PATH', os.defpath).split(os.pathsep):
     1.9 +        name = os.path.join(p, program)
    1.10 +        if os.access(name, os.X_OK):
    1.11 +            return p
    1.12 +    return None
    1.13 +        
    1.14  class example:
    1.15      shell = '/usr/bin/env bash'
    1.16      ps1 = '__run_example_ps1__ '
    1.17 @@ -147,6 +154,16 @@
    1.18          print >> rcfp, 'PS1="%s"' % self.ps1
    1.19          print >> rcfp, 'PS2="%s"' % self.ps2
    1.20          print >> rcfp, 'unset HISTFILE'
    1.21 +        path = ['/usr/bin', '/bin']
    1.22 +        hg = find_path_to('hg')
    1.23 +        if hg and hg not in path:
    1.24 +            path.append(hg)
    1.25 +        def re_export(envar):
    1.26 +            v = os.getenv(envar)
    1.27 +            if v is not None:
    1.28 +                print >> rcfp, 'export ' + envar + '=' + v
    1.29 +        print >> rcfp, 'export PATH=' + ':'.join(path)
    1.30 +        re_export('PYTHONPATH')
    1.31          print >> rcfp, 'export EXAMPLE_DIR="%s"' % os.getcwd()
    1.32          print >> rcfp, 'export HGMERGE=merge'
    1.33          print >> rcfp, 'export LANG=C'
    1.34 @@ -160,8 +177,8 @@
    1.35          sys.stderr.flush()
    1.36          self.pid, self.cfd = pty.fork()
    1.37          if self.pid == 0:
    1.38 -            cmdline = ['/usr/bin/env', 'bash', '--noediting', '--noprofile',
    1.39 -                       '--norc']
    1.40 +            cmdline = ['/usr/bin/env', '-i', 'bash', '--noediting',
    1.41 +                       '--noprofile', '--norc']
    1.42              try:
    1.43                  os.execv(cmdline[0], cmdline)
    1.44              except OSError, err: