changeset 20010:34d720b3b33e

contrib: add editmerge script for editor conflict prompts Adds a script that opens the editor to the conflict as part of the merge process. This way you can fix the merge during the rebase instead of having to pause the rebase, resolve --mark, rebase --continue. Only works on unix.
author Durham Goode <durham@fb.com>
date Fri, 15 Nov 2013 13:20:49 -0800
parents e54a078153f7
children a1d88278beff
files contrib/editmerge
diffstat 1 files changed, 58 insertions(+), 0 deletions(-) [+]
line wrap: on
line diff
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/contrib/editmerge	Fri Nov 15 13:20:49 2013 -0800
@@ -0,0 +1,58 @@
+#!/bin/bash
+# A simple script for opening merge conflicts in the editor.
+# Use the following Mercurial settings to enable it.
+#
+# [ui]
+# merge = editmerge
+#
+# [merge-tools]
+# editmerge.args=$output
+# editmerge.check=changed
+# editmerge.premerge=keep
+
+FILE=$1
+
+getlines() {
+  grep -n "<<<<<<" $FILE | cut -f1 -d:
+}
+
+# editor preference loosely based on http://mercurial.selenic.com/wiki/editor
+# hg showconfig is at the bottom though, since it's slow to run (0.15 seconds)
+ED=$HGEDITOR
+if [ "$ED" = "" ] ; then
+  ED=$VISUAL
+fi
+if [ "$ED" = "" ] ; then
+  ED=$EDITOR
+fi
+if [ "$ED" = "" ] ; then
+  ED=$(hg showconfig ui.editor)
+fi
+if [ "$ED" = "" ] ; then
+  echo "merge failed - unable to find editor"
+  exit 1
+fi
+
+if [ "$ED" = "emacs" ] || [ "$ED" = "nano" ] || [ "$ED" = "vim" ] ; then
+  FIRSTLINE=$(getlines | head -n 1)
+  PREVIOUSLINE=""
+
+  # open the editor to the first conflict until there are no more
+  # or the user stops editing the file
+  while [ ! "$FIRSTLINE" = "" ] && [ ! "$FIRSTLINE" = "$PREVIOUSLINE" ] ; do
+    $ED +$FIRSTLINE $FILE
+    PREVIOUSLINE=$FIRSTLINE
+    FIRSTLINE=$(getlines | head -n 1)
+  done
+else
+  $ED $FILE
+fi
+
+# get the line numbers of the remaining conflicts
+CONFLICTS=$(getlines | sed ':a;N;$!ba;s/\n/, /g')
+if [ ! "$CONFLICTS" = "" ] ; then
+  echo "merge failed - resolve the conflicts (line $CONFLICTS) then use 'hg resolve --mark'"
+  exit 1
+fi
+
+exit 0