Fix ClientError/GitError when exporting a new Business Template

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@44256 20353a03-c40f-0410-a6d1-a30d3c3de9de

product/ERP5VCS/Git.py

@@ -33,7 +33,7 @@ from DateTime import DateTime
 from Products.ERP5Type.Message import translateString
 from ZTUtils import make_query
 from Products.ERP5VCS.WorkingCopy import \
-  WorkingCopy, NotAWorkingCopyError, Dir, File, selfcached
+  WorkingCopy, NotAWorkingCopyError, NotVersionedError, Dir, File, selfcached
 
 class GitError(EnvironmentError):
   def __init__(self, err, out, returncode):
@@ -223,8 +223,14 @@ class Git(WorkingCopy):
     return self.aq_parent.download(self.working_copy)
 
   def showOld(self, path):
+    try:
       return self.git('show', 'HEAD:' + self.prefix + path,
                       strip=False, cwd=self.toplevel)
+    except GitError, e:
+      err = e.args[0]
+      if ' does not exist in ' in err or ' exists on disk, but not in ' in err:
+        raise NotVersionedError(path)
+      raise
 
   def getAuthor(self):
     portal = self.getPortalObject()

product/ERP5VCS/Subversion.py

@@ -37,7 +37,7 @@ from Products.ERP5Type.Message import translateString
 from Products.ERP5.Document.BusinessTemplate import BusinessTemplateFolder
 from Products.ERP5VCS.WorkingCopy import \
   WorkingCopy, Dir, File, chdir_working_copy, selfcached, \
-  NotAWorkingCopyError, VcsConflictError
+  NotAWorkingCopyError, NotVersionedError, VcsConflictError
 from Products.ERP5VCS.SubversionClient import \
   newSubversionClient, SubversionLoginError, SubversionSSLTrustError
 
@@ -139,9 +139,14 @@ class Subversion(WorkingCopy):
     return self.aq_parent.download('.')
 
   def showOld(self, path):
-    from pysvn import Revision, opt_revision_kind
+    from pysvn import ClientError, Revision, opt_revision_kind, svn_err
+    try:
       return self._getClient().cat(os.path.join(self.working_copy, path),
                                    Revision(opt_revision_kind.base))
+    except ClientError, e:
+      if e.args[1][-1][1] in (errno.ENOENT, svn_err.entry_not_found):
+        raise NotVersionedError(path)
+      raise
 
   @selfcached
   def info(self):

product/ERP5VCS/WorkingCopy.py

@@ -72,6 +72,9 @@ def selfcached(func):
 class NotAWorkingCopyError(Exception): pass
 ModuleSecurityInfo(__name__).declarePublic('NotAWorkingCopyError')
 
+class NotVersionedError(Exception): pass
+ModuleSecurityInfo(__name__).declarePublic('NotVersionedError')
+
 class BusinessTemplateNotInstalled(Exception): pass
 ModuleSecurityInfo(__name__).declarePublic('BusinessTemplateNotInstalled')
 
@@ -200,7 +203,10 @@ class WorkingCopy(Implicit):
 
   def newRevision(self):
     path = os.path.join('bt', 'revision')
+    try:
       revision = int(self.showOld(path)) + 1
+    except NotVersionedError:
+      return 1
     file = open(os.path.join(self.working_copy, path), 'w')
     try:
       file.write(str(revision))