--- a/mercurial/util_win32.py Sat Apr 28 16:28:54 2007 +0200
+++ b/mercurial/util_win32.py Sat Apr 28 11:43:31 2007 +0200
@@ -297,5 +297,30 @@
win32file.SetEndOfFile(self.handle)
except pywintypes.error, err:
raise WinIOError(err)
+
+def find_in_path(name, path, default=None):
+ '''find name in search path. path can be string (will be split
+ with os.pathsep), or iterable thing that returns strings. if name
+ found, return path to name. else return default. name is looked up
+ using cmd.exe rules, using PATHEXT.'''
+ if isinstance(path, str):
+ path = path.split(os.pathsep)
+
+ pathext = os.environ.get('PATHEXT', '.COM;.EXE;.BAT;.CMD')
+ pathext = pathext.lower().split(os.pathsep)
+ isexec = os.path.splitext(name)[1].lower() in pathext
+
+ for p in path:
+ p_name = os.path.join(p, name)
+
+ if isexec and os.path.exists(p_name):
+ return p_name
+
+ for ext in pathext:
+ p_name_ext = p_name + ext
+ if os.path.exists(p_name_ext):
+ return p_name_ext
+
+ return default
getuser_fallback = win32api.GetUserName