[jhbuild] do not check prefix is writable when reading the configuration

[Frederic Peters <fpeters src gnome org>]

commit 3533890e19905f0a862dafc54f26db6027d27c9e
Author: Frederic Peters <fpeters 0d be>
Date:   Wed May 6 20:54:17 2009 +0200

    do not check prefix is writable when reading the configuration
    
    It is not necessary to check the JHBuild prefix is writable in every
    situation, as running jhbuild run gnome-session as another user is
    a very legitimate use. So this defers the ckeck for a writable prefix
    later on. (GNOME #581634)
---
 jhbuild/config.py                |    2 --
 jhbuild/frontends/buildscript.py |    4 ++++
 2 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/jhbuild/config.py b/jhbuild/config.py
index b699072..e822cdb 100644
--- a/jhbuild/config.py
+++ b/jhbuild/config.py
@@ -202,8 +202,6 @@ class Config:
                 os.makedirs(self.prefix)
             except:
                 raise FatalError(_('install prefix (%s) can not be created') % self.prefix)
-        if not os.access(self.prefix, os.R_OK|os.W_OK|os.X_OK):
-            raise FatalError(_('install prefix (%s) must be writable') % self.prefix)
 
         os.environ['UNMANGLED_LD_LIBRARY_PATH'] = os.environ.get('LD_LIBRARY_PATH', '')
 
diff --git a/jhbuild/frontends/buildscript.py b/jhbuild/frontends/buildscript.py
index 6c94da0..a4abc1d 100644
--- a/jhbuild/frontends/buildscript.py
+++ b/jhbuild/frontends/buildscript.py
@@ -33,6 +33,10 @@ class BuildScript:
 
         self.config = config
 
+        # the existence of self.config.prefix is checked in config.py
+        if not os.access(self.config.prefix, os.R_OK|os.W_OK|os.X_OK):
+            raise FatalError(_('install prefix (%s) must be writable') % self.config.prefix)
+
         if not os.path.exists(self.config.checkoutroot):
             try:
                 os.makedirs(self.config.checkoutroot)