codemod: use pycompat.isdarwin

This is done by:

  sed -i "s/pycompat\.sysplatform == 'darwin'/pycompat.isdarwin/" **/*.py

Plus a manual change to `sslutil.py` which involves indentation change that
cannot be done by `sed`.

Differential Revision: https://phab.mercurial-scm.org/D1035

hgext/fsmonitor/__init__.py

@@ -603,7 +603,7 b' def wrapdirstate(orig, self):'
 def extsetup(ui):
     extensions.wrapfilecache(
         localrepo.localrepository, 'dirstate', wrapdirstate)
-    if pycompat.sysplatform == 'darwin':
+    if pycompat.isdarwin:
         # An assist for avoiding the dangling-symlink fsevents bug
         extensions.wrapfunction(os, 'symlink', wrapsymlink)
 

hgext/largefiles/lfutil.py

@@ -79,7 +79,7 b' def _usercachedir(ui):'
                         encoding.environ.get('APPDATA'))
         if appdata:
             return os.path.join(appdata, longname)
-    elif pycompat.sysplatform == 'darwin':
+    elif pycompat.isdarwin:
         home = encoding.environ.get('HOME')
         if home:
             return os.path.join(home, 'Library', 'Caches', longname)

mercurial/cffi/osutil.py

@@ -16,7 +16,7 b' from .. import ('
     pycompat,
 )
 
-if pycompat.sysplatform == 'darwin':
+if pycompat.isdarwin:
     from . import _osutil
 
     ffi = _osutil.ffi

mercurial/posix.py

@@ -332,7 +332,7 b' normcasespec = encoding.normcasespecs.lo'
 # fallback normcase function for non-ASCII strings
 normcasefallback = normcase
 
-if pycompat.sysplatform == 'darwin':
+if pycompat.isdarwin:
 
     def normcase(path):
         '''

mercurial/scmposix.py

@@ -46,7 +46,7 b' def systemrcpath():'
 def userrcpath():
     if pycompat.sysplatform == 'plan9':
         return [encoding.environ['home'] + '/lib/hgrc']
-    elif pycompat.sysplatform == 'darwin':
+    elif pycompat.isdarwin:
         return [os.path.expanduser('~/.hgrc')]
     else:
         confighome = encoding.environ.get('XDG_CONFIG_HOME')

mercurial/sslutil.py

@@ -677,8 +677,8 b' def _plainapplepython():'
       for using system certificate store CAs in addition to the provided
       cacerts file
     """
-    if (pycompat.sysplatform != 'darwin' or
-                        util.mainfrozen() or not pycompat.sysexecutable):
+    if (not pycompat.isdarwin or util.mainfrozen() or
+        not pycompat.sysexecutable):
         return False
     exe = os.path.realpath(pycompat.sysexecutable).lower()
     return (exe.startswith('/usr/bin/python') or
@@ -736,7 +736,7 b' def _defaultcacerts(ui):'
 
     # The Apple OpenSSL trick isn't available to us. If Python isn't able to
     # load system certs, we're out of luck.
-    if pycompat.sysplatform == 'darwin':
+    if pycompat.isdarwin:
         # FUTURE Consider looking for Homebrew or MacPorts installed certs
         # files. Also consider exporting the keychain certs to a file during
         # Mercurial install.

mercurial/util.py

@@ -1561,7 +1561,7 b' def splitpath(path):'
 
 def gui():
     '''Are we running in a GUI?'''
-    if pycompat.sysplatform == 'darwin':
+    if pycompat.isdarwin:
         if 'SSH_CONNECTION' in encoding.environ:
             # handle SSH access to a box where the user is logged in
             return False