git-p4: Do not include diff in spec file when just preparing p4

The diff information render the spec file unusable as is by p4,
do not include it when run with --prepare-p4-only so that the
given file can be directly passed to p4.

With --prepare-p4-only, git-p4 already tells the user it can use
p4 submit with the generated spec file. This fails because of the
diff being present in the file. Not including the diff fixes that.

Without --prepare-p4-only, keeping the diff makes sense for a
quick review of the patch before submitting it. And does not cause
problems with p4 as we remove it programmatically.

Signed-off-by: Maxime Coste <frrrwww@gmail.com>
Acked-by: Pete Wyckoff <pw@padd.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff --git a/git-p4.py b/git-p4.py
index 773cafcd89b6cd89d413e3d51056c4aaf53c1f2c..7bb0f7313bc9d4d2ad1ae43ec68afe761334a59a 100755 (executable)
--- a/git-p4.py
+++ b/git-p4.py
@@ -1238,6 +1238,28 @@ def edit_template(self, template_file):
             if response == 'n':
                 return False
 
+    def get_diff_description(self, editedFiles):
+        # diff
+        if os.environ.has_key("P4DIFF"):
+            del(os.environ["P4DIFF"])
+        diff = ""
+        for editedFile in editedFiles:
+            diff += p4_read_pipe(['diff', '-du',
+                                  wildcard_encode(editedFile)])
+
+        # new file diff
+        newdiff = ""
+        for newFile in filesToAdd:
+            newdiff += "==== new file ====\n"
+            newdiff += "--- /dev/null\n"
+            newdiff += "+++ %s\n" % newFile
+            f = open(newFile, "r")
+            for line in f.readlines():
+                newdiff += "+" + line
+            f.close()
+
+        return diff + newdiff
+
     def applyCommit(self, id):
         """Apply one commit, return True if it succeeded."""
 
@@ -1398,34 +1420,15 @@ def applyCommit(self, id):
             submitTemplate += "######## Variable git-p4.skipUserNameCheck hides this message.\n"
 
         separatorLine = "######## everything below this line is just the diff #######\n"
+        if not self.prepare_p4_only:
+            submitTemplate += separatorLine
+            submitTemplate += self.get_diff_description(editedFiles)
 
-        # diff
-        if os.environ.has_key("P4DIFF"):
-            del(os.environ["P4DIFF"])
-        diff = ""
-        for editedFile in editedFiles:
-            diff += p4_read_pipe(['diff', '-du',
-                                  wildcard_encode(editedFile)])
-
-        # new file diff
-        newdiff = ""
-        for newFile in filesToAdd:
-            newdiff += "==== new file ====\n"
-            newdiff += "--- /dev/null\n"
-            newdiff += "+++ %s\n" % newFile
-            f = open(newFile, "r")
-            for line in f.readlines():
-                newdiff += "+" + line
-            f.close()
-
-        # change description file: submitTemplate, separatorLine, diff, newdiff
         (handle, fileName) = tempfile.mkstemp()
         tmpFile = os.fdopen(handle, "w+")
         if self.isWindows:
             submitTemplate = submitTemplate.replace("\n", "\r\n")
-            separatorLine = separatorLine.replace("\n", "\r\n")
-            newdiff = newdiff.replace("\n", "\r\n")
-        tmpFile.write(submitTemplate + separatorLine + diff + newdiff)
+        tmpFile.write(submitTemplate)
         tmpFile.close()
 
         if self.prepare_p4_only:

diff --git a/t/t9807-git-p4-submit.sh b/t/t9807-git-p4-submit.sh
index 4caf36e0066313f5402f61645c4330093ba23fcf..7fab2ed977a529c8754b9e5acd44b7f7c2cfaf2f 100755 (executable)
--- a/t/t9807-git-p4-submit.sh
+++ b/t/t9807-git-p4-submit.sh
@@ -403,7 +403,8 @@ test_expect_success 'submit --prepare-p4-only' '
                git commit -m "prep only add" &&
                git p4 submit --prepare-p4-only >out &&
                test_i18ngrep "prepared for submission" out &&
-               test_i18ngrep "must be deleted" out
+               test_i18ngrep "must be deleted" out &&
+               ! test_i18ngrep "everything below this line is just the diff" out
        ) &&
        (
                cd "$cli" &&