Update the commit-msg hook to the version from Gerrit 2.8.2

Change-Id: Id911bc6841f488a42d08580de800c3afafa2937e

1 files changed, 7 insertions, 3 deletions

diff --git a/hooks/commit-msg b/hooks/commit-msg
index 5ca2b112..d8f009b6 100755
--- a/hooks/commit-msg
+++ b/hooks/commit-msg
@@ -1,5 +1,4 @@
 #!/bin/sh
-# From Gerrit Code Review 2.6
 #
 # Part of Gerrit Code Review (http://code.google.com/p/gerrit/)
 #
@@ -27,7 +26,7 @@ MSG="$1"
 #
 add_ChangeId() {
         clean_message=`sed -e '
-                /^diff --git a\/.*/{
+                /^diff --git .*/{
                         s///
                         q
                 }
@@ -39,6 +38,11 @@ add_ChangeId() {
                 return
         fi
 
+        if test "false" = "`git config --bool --get gerrit.createChangeId`"
+        then
+                return
+        fi
+
         # Does Change-Id: already exist? if so, exit (no change).
         if grep -i '^Change-Id:' "$MSG" >/dev/null
         then
@@ -77,7 +81,7 @@ add_ChangeId() {
         # Skip the line starting with the diff command and everything after it,
         # up to the end of the file, assuming it is only patch data.
         # If more than one line before the diff was empty, strip all but one.
-        /^diff --git a/ {
+        /^diff --git / {
                 blankLines = 0
                 while (getline) { }
                 next