alpine-conf: handle new syslinux.cfg location

1 files changed, 119 insertions, 0 deletions

diff --git a/main/alpine-conf/0001-setup-bootable-move-syslinux.cfg-to-boot-syslinux-if.patch b/main/alpine-conf/0001-setup-bootable-move-syslinux.cfg-to-boot-syslinux-if.patch
new file mode 100644
index 0000000000..5a73dfdbb9
--- /dev/null
+++ b/main/alpine-conf/0001-setup-bootable-move-syslinux.cfg-to-boot-syslinux-if.patch
@@ -0,0 +1,119 @@
+From e8c99e12ef55bbc4d5a3bbb1d4075fb9d8bb8cae Mon Sep 17 00:00:00 2001
+From: Natanael Copa <ncopa@alpinelinux.org>
+Date: Thu, 7 Nov 2013 14:14:03 +0100
+Subject: [PATCH] setup-bootable: move syslinux.cfg to /boot/syslinux/ if
+ needed
+
+---
+ setup-bootable.in | 55 +++++++++++++++++++++++++++++++++++++------------------
+ 1 file changed, 37 insertions(+), 18 deletions(-)
+
+diff --git a/setup-bootable.in b/setup-bootable.in
+index 2df03e6..374a40c 100644
+--- a/setup-bootable.in
++++ b/setup-bootable.in
+@@ -174,7 +174,7 @@ parent_dev=$(find_disk_dev $dev)
+ # check if this files exist and not in upgrade mode
+ if [ -z "$upgrade" ] && [ -z "$force" ]; then
+ 	for i in boot apks syslinux.cfg .alpine-release; do
+-		[ -e "$destdir"/$i ] && die "$destdir/$i already exists. Aborting"
++		[ -e "$destdir"/$i ] && die "$destdir/$i already exists. Use -u to upgrade."
+ 	done
+ fi
+ 
+@@ -207,15 +207,17 @@ available_space=$(( $free_blocks / $blocks_per_mb ))
+ vecho "Available space: $available_space MiB"
+ 
+ if [ -n "$srcdir" ]; then
+-	needed_space=$(cd "$srcdir" && du -m -s -c boot apks syslinux.cfg .alpine-release | awk '$2 == "total" {print $1}')
++	needed_space=$(cd "$srcdir" && du -m -s -c boot apks .alpine-release | awk '$2 == "total" {print $1}')
+ 	vecho "Needed space:    $needed_space MiB"
+ 	[ $available_space -lt $needed_space ] \
+ 		&& die "Not enough space on $destdir. Aborting."
+ 
+ 	# copy the files to .new
+ 	for i in boot apks syslinux.cfg .alpine-release; do
+-		vecho "Copying $srcdir/$i to $destdir/.new/"
+-		cp -a "$srcdir"/$i "$destdir"/.new/
++		if [ -e "$srcdir"/$i ]; then
++			vecho "Copying $srcdir/$i to $destdir/.new/"
++			cp -a "$srcdir"/$i "$destdir"/.new/
++		fi
+ 	done
+ elif [ -n "$srcurl" ]; then
+ 	cd "$destdir"/.new
+@@ -224,6 +226,19 @@ elif [ -n "$srcurl" ]; then
+ 	echo ""
+ fi
+ 
++# find where new syslinux.cfg is
++for i in boot/syslinux/syslinux.cfg syslinux.cfg; do
++	if [ -e "$destdir"/.new/$i ]; then
++		syslinux_cfg=$i
++		vecho "Found $syslinux_cfg"
++		break
++	fi
++done
++# abort early in case unexpected trouble
++if [ -z "$syslinux_cfg" ]; then
++	die "Could not find any syslinux.cfg on new iso?"
++fi
++
+ # make sure files are really there before we replace existing
+ vecho "Flushing cache..."
+ sync
+@@ -231,18 +246,7 @@ sync
+ vecho "Replacing existing files..."
+ mkdir -p "$destdir"/.old || die "Failed to create $destdir/.old"
+ 
+-# do we want keep existing syslinux.cfg?
+-tomove="boot apks .alpine-release"
+-if [ -n "$force" ] || ! [ -e "$destdir"/syslinux.cfg ]; then
+-	tomove="$tomove syslinux.cfg"
+-	# update syslinux.cfg unless device is on usb bus
+-	# this is so we can boot from CF's and harddisk 
+-	if ! on_usb_bus $parent_dev; then
+-		vecho "Updating syslinux.cfg to use $dest"
+-		sed -i -e "s/usbdisk/${dest##*/}/g" \
+-			"$destdir"/.new/syslinux.cfg
+-	fi
+-fi
++tomove="boot apks syslinux.cfg .alpine-release"
+ 
+ # move current files to .old
+ for i in $tomove; do
+@@ -251,14 +255,29 @@ for i in $tomove; do
+ 	fi
+ done
+ 
++# keep any existing syslinux.cfg
++if [ -e "$destdir"/.old/$syslinux_cfg ]; then
++	mv "$destdir"/.old/$syslinux_cfg "$destdir"/.new/$syslinux_cfg
++elif [ -e "$destdir"/.old/syslinux.cfg ] \
++		&& [ -e "$destdir"/.new/boot/syslinux/syslinux.cfg ]; then
++	echo "Warning: moving syslinux.cfg to boot/syslinux/syslinux.cfg" >&2
++	mv "$destdir"/.old/syslinux.cfg "$destdir"/.new/boot/syslinux
++	if [ -z "$syslinux" ]; then
++		echo "         You might need run: syslinux $dest" >&2
++	fi
++fi
++
+ # move .new to current
+ for i in $tomove; do
+-	mv "$destdir"/.new/$i "$destdir"/ || die "Failed to move $destdir/.new/ to $destdir"
++	if [ -e "$destdir"/.new/$i ]; then
++		mv "$destdir"/.new/$i "$destdir"/ \
++			|| die "Failed to move $destdir/.new/ to $destdir"
++	fi
+ done
+ 
+ if [ -n "$replace_alpine_dev" -o -z "$upgrade" ] && [ -n "$UUID" ]; then
+ 	sed -i -e "s/alpine_dev=[^ \t:]\+/alpine_dev=UUID=$UUID/" \
+-		"$destdir"/syslinux.cfg
++		"$destdir"/$syslinux_cfg
+ fi
+ 
+ # cleanup
+-- 
+1.8.4.2
+