Merge branch 'ah/maint-grep-double-init'

diff --git a/contrib/hooks/post-receive-email b/contrib/hooks/post-receive-email
index 21989fc6ab84c0503cdc9418673d9d0bf06f9d49..01af9df15e180288723caadf42b500fe78a8c694 100755 (executable)
--- a/contrib/hooks/post-receive-email
+++ b/contrib/hooks/post-receive-email
@@ -11,11 +11,11 @@
 # will have put this somewhere standard.  You should make this script
 # executable then link to it in the repository you would like to use it in.
 # For example, on debian the hook is stored in
-# /usr/share/doc/git-core/contrib/hooks/post-receive-email:
+# /usr/share/git-core/contrib/hooks/post-receive-email:
 #
 #  chmod a+x post-receive-email
 #  cd /path/to/your/repository.git
-#  ln -sf /usr/share/doc/git-core/contrib/hooks/post-receive-email hooks/post-receive
+#  ln -sf /usr/share/git-core/contrib/hooks/post-receive-email hooks/post-receive
 #
 # This hook script assumes it is enabled on the central repository of a
 # project, with all users pushing only to it and not between each other.  It
@@ -60,6 +60,11 @@
 #   email body. If not specified, there is no limit.
 #   Lines beyond the limit are suppressed and counted, and a final
 #   line is added indicating the number of suppressed lines.
+# hooks.diffopts
+#   Alternate options for the git diff-tree invocation that shows changes.
+#   Default is "--stat --summary --find-copies-harder". Add -p to those
+#   options to include a unified diff of changes in addition to the usual
+#   summary output.
 #
 # Notes
 # -----
@@ -80,7 +85,6 @@ prep_for_email()
        oldrev=$(git rev-parse $1)
        newrev=$(git rev-parse $2)
        refname="$3"
-       maxlines=$4
 
        # --- Interpret
        # 0000->1234 (create)
@@ -446,7 +450,7 @@ generate_update_branch_email()
        # non-fast-forward updates.
        echo ""
        echo "Summary of changes:"
-       git diff-tree --stat --summary --find-copies-harder $oldrev..$newrev
+       git diff-tree $diffopts $oldrev..$newrev
 }
 
 #
@@ -456,7 +460,7 @@ generate_delete_branch_email()
 {
        echo "       was  $oldrev"
        echo ""
-       echo $LOGEND
+       echo $LOGBEGIN
        git show -s --pretty=oneline $oldrev
        echo $LOGEND
 }
@@ -556,7 +560,7 @@ generate_delete_atag_email()
 {
        echo "       was  $oldrev"
        echo ""
-       echo $LOGEND
+       echo $LOGBEGIN
        git show -s --pretty=oneline $oldrev
        echo $LOGEND
 }
@@ -621,7 +625,7 @@ generate_delete_general_email()
 {
        echo "       was  $oldrev"
        echo ""
-       echo $LOGEND
+       echo $LOGBEGIN
        git show -s --pretty=oneline $oldrev
        echo $LOGEND
 }
@@ -723,6 +727,8 @@ envelopesender=$(git config hooks.envelopesender)
 emailprefix=$(git config hooks.emailprefix || echo '[SCM] ')
 custom_showrev=$(git config hooks.showrev)
 maxlines=$(git config hooks.emailmaxlines)
+diffopts=$(git config hooks.diffopts)
+: ${diffopts:="--stat --summary --find-copies-harder"}
 
 # --- Main loop
 # Allow dual mode: run from the command line just like the update hook, or