add port to current script

scripts/port-to-current.sh

@@ -0,0 +1,46 @@
+#!/bin/bash
+# -*- mode: shell-script; indent-tabs-mode: nil; sh-basic-offset: 4; -*-
+# ex: ts=8 sw=4 sts=4 et filetype=sh
+#
+# SPDX-License-Identifier: GPL-2.0
+#
+# Port old patches to new base
+#
+# Usage:
+# 1. Goto current kernel source tree
+# 2. /path/to/this/script /path/to/old/patch/set/*.patch
+
+tmpdir=$(mktemp -d)
+rejf=${tmpdir}/rej
+
+for p in $*
+do
+    if ! git am --quiet $p 2> /dev/null
+    then
+        rm -f ${rejf}
+        if ! patch --quiet --reject-file=${rejf} --forward -p1 < $p
+        then
+            if [ -f ${rejf} ]
+            then
+                if [ -n "${DISPLAY}" ]
+                then
+                    gvim -f ${rejf}
+                else
+                    vim ${rejf}
+                fi
+            fi
+        fi
+        git status
+        echo $p
+        read dopause
+        if git diff --no-ext-diff --quiet
+        then
+            git am --quiet --skip
+            git -C ${p%/*} rm --quiet ${p#*/}
+        else
+            git add --all
+            git am --quiet --continue
+        fi
+    fi
+done
+rm -rf ${tmpdir}