[PATCH v2 2/2] git-p4: handle "Translation of file content failed"

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From: Lars Schneider <larsxschneider@xxxxxxxxx>

A P4 repository can get into a state where it contains a file with
type UTF-16 that does not contain a valid UTF-16 BOM. If git-p4
attempts to retrieve the file then the process crashes with a
"Translation of file content failed" error.

Fix this by detecting this error and retrieving the file as binary
instead. The result in Git is the same.

Known issue: This works only if git-p4 is executed in verbose mode.
In normal mode no exceptions are thrown and git-p4 just exits.

Signed-off-by: Lars Schneider <larsxschneider@xxxxxxxxx>
---
 git-p4.py | 27 ++++++++++++++++-----------
 1 file changed, 16 insertions(+), 11 deletions(-)

diff --git a/git-p4.py b/git-p4.py
index 073f87b..5ae25a6 100755
--- a/git-p4.py
+++ b/git-p4.py
@@ -134,13 +134,11 @@ def read_pipe(c, ignore_error=False):
         sys.stderr.write('Reading pipe: %s\n' % str(c))
 
     expand = isinstance(c,basestring)
-    p = subprocess.Popen(c, stdout=subprocess.PIPE, shell=expand)
-    pipe = p.stdout
-    val = pipe.read()
-    if p.wait() and not ignore_error:
-        die('Command failed: %s' % str(c))
-
-    return val
+    p = subprocess.Popen(c, stdout=subprocess.PIPE, stderr=subprocess.PIPE, shell=expand)
+    (out, err) = p.communicate()
+    if p.returncode != 0 and not ignore_error:
+        die('Command failed: %s\nError: %s' % (str(c), err))
+    return out
 
 def p4_read_pipe(c, ignore_error=False):
     real_cmd = p4_build_cmd(c)
@@ -2186,10 +2184,17 @@ class P4Sync(Command, P4UserMap):
             # them back too.  This is not needed to the cygwin windows version,
             # just the native "NT" type.
             #
-            text = p4_read_pipe(['print', '-q', '-o', '-', "%s@%s" % (file['depotFile'], file['change']) ])
-            if p4_version_string().find("/NT") >= 0:
-                text = text.replace("\r\n", "\n")
-            contents = [ text ]
+            try:
+                text = p4_read_pipe(['print', '-q', '-o', '-', '%s@%s' % (file['depotFile'], file['change'])])
+            except Exception as e:
+                if 'Translation of file content failed' in str(e):
+                    type_base = 'binary'
+                else:
+                    raise e
+            else:
+                if p4_version_string().find('/NT') >= 0:
+                    text = text.replace('\r\n', '\n')
+                contents = [ text ]
 
         if type_base == "apple":
             # Apple filetype files will be streamed as a concatenation of
-- 
2.5.1

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