build_patches: change to git am format

With git am format, it is easier to apply the patches locally.

Signed-off-by: Tim Niemeyer <tim@tn-x.org>
Reviewed-by: Adrian Schmutzler <freifunk@adrianschmutzler.de>

build_patches/openwrt/0001-sysupgrade-no-config-save.patch

@@ -0,0 +1,25 @@
+From 1115262b144c9fbdb9101a29681cf3d0f332f167 Mon Sep 17 00:00:00 2001
+From: Tim Niemeyer <tim@tn-x.org>
+Date: Sat, 8 Jul 2017 10:46:59 +0200
+Subject: [PATCH 1/7] sysupgrade no config save
+
+---
+ package/base-files/files/sbin/sysupgrade | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/package/base-files/files/sbin/sysupgrade b/package/base-files/files/sbin/sysupgrade
+index c095ca8..4a97d36 100755
+--- a/package/base-files/files/sbin/sysupgrade
++++ b/package/base-files/files/sbin/sysupgrade
+@@ -104,7 +104,7 @@ EOF
+ add_uci_conffiles() {
+ 	local file="$1"
+ 	( find $(sed -ne '/^[[:space:]]*$/d; /^#/d; p' \
+-		/etc/sysupgrade.conf /lib/upgrade/keep.d/* 2>/dev/null) \
++		/etc/sysupgrade.conf 2>/dev/null) \
+ 		-type f -o -type l 2>/dev/null;
+ 	  opkg list-changed-conffiles ) | sort -u > "$file"
+ 	return 0
+-- 
+2.1.4
+

build_patches/openwrt/0001-sysupgrade_no_config_save.patch

@@ -1,13 +0,0 @@
-Index: package/base-files/files/sbin/sysupgrade
-===================================================================
---- package/base-files/files/sbin/sysupgrade
-+++ package/base-files/files/sbin/sysupgrade
-@@ -104,7 +104,7 @@
- add_uci_conffiles() {
- 	local file="$1"
- 	( find $(sed -ne '/^[[:space:]]*$/d; /^#/d; p' \
--		/etc/sysupgrade.conf /lib/upgrade/keep.d/* 2>/dev/null) \
-+		/etc/sysupgrade.conf 2>/dev/null) \
- 		-type f -o -type l 2>/dev/null;
- 	  opkg list-changed-conffiles ) | sort -u > "$file"
- 	return 0

build_patches/openwrt/0002-set-root-password.patch

@@ -0,0 +1,22 @@
+From 5d70b1bbf367a69b876c49c22928e5897b1e8efd Mon Sep 17 00:00:00 2001
+From: Tim Niemeyer <tim@tn-x.org>
+Date: Sat, 8 Jul 2017 10:47:28 +0200
+Subject: [PATCH 2/7] set root password
+
+---
+ package/base-files/files/etc/shadow | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/package/base-files/files/etc/shadow b/package/base-files/files/etc/shadow
+index 4b4154f..b8d180a 100644
+--- a/package/base-files/files/etc/shadow
++++ b/package/base-files/files/etc/shadow
+@@ -1,4 +1,4 @@
+-root::0:0:99999:7:::
++root:$1$OmvoKpjK$e.lPVnBxsrAbNV4EoH3xb1:0:0:99999:7:::
+ daemon:*:0:0:99999:7:::
+ ftp:*:0:0:99999:7:::
+ network:*:0:0:99999:7:::
+-- 
+2.1.4
+

build_patches/openwrt/0002-set_root_password.patch

@@ -1,8 +0,0 @@
---- package/base-files/files/etc/shadow
-+++ package/base-files/files/etc/shadow
-@@ -1,4 +1,4 @@
--root::0:0:99999:7:::
-+root:$1$OmvoKpjK$e.lPVnBxsrAbNV4EoH3xb1:0:0:99999:7:::
- daemon:*:0:0:99999:7:::
- ftp:*:0:0:99999:7:::
- network:*:0:0:99999:7:::

build_patches/openwrt/0003-ntpd-host-as-string.patch

@@ -1,7 +1,16 @@
-diff --git package/utils/busybox/files/sysntpd package/utils/busybox/files/sysntpd
-index 98260be..07b738c 100755
---- package/utils/busybox/files/sysntpd
-+++ package/utils/busybox/files/sysntpd
+From 90e6f265608037301cd0b865b172a642dd2a254a Mon Sep 17 00:00:00 2001
+From: Tim Niemeyer <tim@tn-x.org>
+Date: Sat, 8 Jul 2017 10:47:56 +0200
+Subject: [PATCH 3/7] ntpd host as string
+
+---
+ package/utils/busybox/files/sysntpd | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/package/utils/busybox/files/sysntpd b/package/utils/busybox/files/sysntpd
+index e693e40..12383a4 100755
+--- a/package/utils/busybox/files/sysntpd
++++ b/package/utils/busybox/files/sysntpd
 @@ -30,7 +30,7 @@ get_dhcp_ntp_servers() {
  
  validate_ntp_section() {
@@ -11,3 +20,6 @@ index 98260be..07b738c 100755
  }
  
  start_service() {
+-- 
+2.1.4
+

build_patches/openwrt/0004-ar71xx-4.4-l2tp-stats.patch

@@ -1,5 +1,18 @@
---- target/linux/ar71xx/patches-4.4/fix-l2tp-stats-counter-overflow-on-32-bit-systems.patch	1970-01-01 01:00:00.000000000 +0100
-+++ target/linux/ar71xx/patches-4.4/fix-l2tp-stats-counter-overflow-on-32-bit-systems.patch	2016-03-12 18:41:32.818602442 +0100
+From f4724465e4cdbfecdd934893f6fc0c81f7038e1b Mon Sep 17 00:00:00 2001
+From: Tim Niemeyer <tim@tn-x.org>
+Date: Sat, 8 Jul 2017 10:48:53 +0200
+Subject: [PATCH 4/7] ar71xx-4.4-l2tp-stats
+
+---
+ ...-stats-counter-overflow-on-32-bit-systems.patch | 38 ++++++++++++++++++++++
+ 1 file changed, 38 insertions(+)
+ create mode 100644 target/linux/ar71xx/patches-4.4/fix-l2tp-stats-counter-overflow-on-32-bit-systems.patch
+
+diff --git a/target/linux/ar71xx/patches-4.4/fix-l2tp-stats-counter-overflow-on-32-bit-systems.patch b/target/linux/ar71xx/patches-4.4/fix-l2tp-stats-counter-overflow-on-32-bit-systems.patch
+new file mode 100644
+index 0000000..4348aea
+--- /dev/null
++++ b/target/linux/ar71xx/patches-4.4/fix-l2tp-stats-counter-overflow-on-32-bit-systems.patch
 @@ -0,0 +1,38 @@
 +From 19b1c8733b99f13005f2d8918bce588f0b2556f8 Mon Sep 17 00:00:00 2001
 +From: Dominik Heidler <dominik@heidler.eu>
@@ -39,3 +52,6 @@
 +-- 
 +2.7.2
 +
+-- 
+2.1.4
+

buildscript

@@ -122,7 +122,7 @@ get_source() {
 patch_target() {
     if [ "$(find "$PWD"/build_patches/openwrt/*.patch 2> /dev/null | wc -l)" -ge 1 ]; then
         for patch in "$PWD"/build_patches/openwrt/*.patch; do
-            patch --no-backup-if-mismatch -p0 -d "$target" -i "$patch"
+            patch --no-backup-if-mismatch -p1 -d "$target" -i "$patch"
         done
     fi
 }