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64 lines
1.7 KiB
64 lines
1.7 KiB
3 years ago
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#!/bin/sh
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# gather syslinux configuration from snippets;
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# copy modules; see also this feature's generate.mk
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MODDIR="/usr/lib/syslinux"
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case "$GLOBAL_BOOTLOADER" in
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isolinux|syslinux) CFG="$GLOBAL_BOOTLOADER.cfg";;
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*) CFG="isolinux.cfg";;
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esac
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cd "$WORKDIR/syslinux"
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# number ordering sponsored by shell's pathname expansion
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grep -hv '^#' .in/[0-9][0-9]*.cfg > "$CFG"
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# there should be DEFAULT directive there (at least for alterator-netinst)
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if [ -n "$GLOBAL_SYSLINUX_DEFAULT" ]; then
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if [ -n "$(grep -i "^label $GLOBAL_SYSLINUX_DEFAULT" "$CFG")" ]; then
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DEFAULT="$GLOBAL_SYSLINUX_DEFAULT"
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sed -i '/^default/d'
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echo "default $DEFAULT" >> "$CFG"
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else
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echo "error: $GLOBAL_SYSLINUX_DEFAULT missing in $CFG" >&2
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exit 1
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fi
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fi
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if ! grep -i '^default' "$CFG"; then
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DEFAULT="$(grep -i '^label ' "$CFG" | head -1 | cut -f2 -d' ')"
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if [ -n "$DEFAULT" ]; then
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echo "default $DEFAULT" >> "$CFG"
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else
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echo "error: no DEFAULT or UI directive and cannot guess" >&2
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exit 1
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fi
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fi
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# validate just in case (see also stage1 Makefile)
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case "$GLOBAL_BOOTLOADER" in
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isolinux|syslinux) ;;
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*) exit 0;;
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esac
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# copy extra files, if any
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SYSLINUX_FILES="$(cat .in/syslinux.list)"
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if [ -n "${SYSLINUX_FILES% }" ]; then
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cp -a $SYSLINUX_FILES .
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fi
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# prune module-specific config snippets; skip built-in one
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SYSLINUX_MODULES="$(cat .in/modules.list)"
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if [ -n "$SYSLINUX_MODULES" ]; then
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for module in $SYSLINUX_MODULES; do
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if [ "$modules" == "prompt" ]; then continue; fi
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cp -a $MODDIR/$module.c?? . || rm .in/[0-9][0-9]$module.cfg
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done
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fi
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# snippets are not going into the actual image
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if [ "$DEBUG" != 2 ]; then rm -r .in/; fi
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# NB: there will be final macro expansion based on actual image sizes
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# done by features.in/syslinux/scripts.d/20-propagator-ramdisk
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