| 1 | build_kernel() {
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| 2 | local _flavor="$2" _modloopsign= _add
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| 3 | shift 3
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| 4 | local _pkgs="$@"
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| 5 | if [ "$modloop_sign" = "yes" ]; then
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| 6 | _modloopsign="--modloopsign --apk-pubkey $_abuild_pubkey"
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| 7 | if [ -z "$PACKAGER_PRIVKEY" ]; then
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| 8 | error "Need \$PACKAGER_PRIVKEY to be set for modloop_sign=yes"
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| 9 | return 1
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| 10 | fi
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| 11 | fi
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| 12 | update-kernel \
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| 13 | $_hostkeys \
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| 14 | $_modloopsign \
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| 15 | --media \
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| 16 | --cache-dir "$APKROOT/etc/apk/cache" \
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| 17 | --keys-dir "$APKROOT/etc/apk/keys" \
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| 18 | --flavor "$_flavor" \
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| 19 | --arch "$ARCH" \
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| 20 | --package "$_pkgs" \
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| 21 | --feature "$initfs_features" \
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| 22 | --modloopfw "$modloopfw" \
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| 23 | --repositories-file "$APKROOT/etc/apk/repositories" \
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| 24 | "$DESTDIR"
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| 25 | for _add in $boot_addons; do
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| 26 | apk fetch --root "$APKROOT" --quiet --stdout $_add | tar -C "${DESTDIR}" -zx boot/
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| 27 | done
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| 28 | }
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| 29 |
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| 30 | section_kernels() {
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| 31 | local _f _a _pkgs
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| 32 | for _f in $kernel_flavors; do
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| 33 | _pkgs="linux-$_f linux-firmware wireless-regdb $modloop_addons"
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| 34 | for _a in $kernel_addons; do
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| 35 | _pkgs="$_pkgs $_a-$_f"
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| 36 | done
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| 37 | local id=$( (echo "$initfs_features::$_hostkeys" ; apk fetch --root "$APKROOT" --simulate alpine-base $_pkgs | sort) | checksum)
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| 38 | build_section kernel $ARCH $_f $id $_pkgs
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| 39 | done
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| 40 | }
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| 41 |
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| 42 | build_apks() {
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| 43 | local _apksdir="$DESTDIR/apks"
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| 44 | local _archdir="$_apksdir/$ARCH"
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| 45 | mkdir -p "$_archdir"
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| 46 |
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| 47 | apk fetch --root "$APKROOT" --link --recursive --output "$_archdir" $apks
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| 48 | if ! ls "$_archdir"/*.apk >& /dev/null; then
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| 49 | return 1
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| 50 | fi
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| 51 |
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| 52 | apk index \
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| 53 | --root "$APKROOT" \
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| 54 | --description "$RELEASE" \
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| 55 | --rewrite-arch "$ARCH" \
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| 56 | --index "$_archdir"/APKINDEX.tar.gz \
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| 57 | --output "$_archdir"/APKINDEX.tar.gz \
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| 58 | "$_archdir"/*.apk
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| 59 | abuild-sign "$_archdir"/APKINDEX.tar.gz
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| 60 | touch "$_apksdir/.boot_repository"
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| 61 | }
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| 62 |
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| 63 | section_apks() {
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| 64 | [ -n "$apks" ] || return 0
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| 65 | build_section apks $ARCH $(apk fetch --root "$APKROOT" --simulate --recursive $apks | sort | checksum)
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| 66 | }
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| 67 |
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| 68 | build_apkovl() {
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| 69 | local _host="$1" _script=
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| 70 | msg "Generating $_host.apkovl.tar.gz"
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| 71 | for _script in "$PWD"/"$apkovl" $HOME/.mkimage/$apkovl \
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| 72 | $(readlink -f "$scriptdir/$apkovl"); do
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| 73 |
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| 74 | if [ -f "$_script" ]; then
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| 75 | break
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| 76 | fi
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| 77 | done
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| 78 | [ -n "$_script" ] || die "could not find $apkovl"
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| 79 | (cd "$DESTDIR"; fakeroot "$_script" "$_host")
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| 80 | }
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| 81 |
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| 82 | section_apkovl() {
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| 83 | [ -n "$apkovl" -a -n "$hostname" ] || return 0
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| 84 | build_section apkovl $hostname $(checksum < "$apkovl")
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| 85 | }
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| 86 |
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| 87 | build_syslinux() {
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| 88 | local _fn
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| 89 | mkdir -p "$DESTDIR"/boot/syslinux
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| 90 | apk fetch --root "$APKROOT" --stdout syslinux | tar -C "$DESTDIR" -xz usr/share/syslinux
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| 91 | for _fn in isohdpfx.bin isolinux.bin ldlinux.c32 libutil.c32 libcom32.c32 mboot.c32; do
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| 92 | mv "$DESTDIR"/usr/share/syslinux/$_fn "$DESTDIR"/boot/syslinux/$_fn
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| 93 | done
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| 94 | rm -rf "$DESTDIR"/usr
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| 95 | }
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| 96 |
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| 97 | section_syslinux() {
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| 98 | [ "$ARCH" = x86 -o "$ARCH" = x86_64 ] || return 0
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| 99 | [ "$output_format" = "iso" ] || return 0
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| 100 | build_section syslinux $(apk fetch --root "$APKROOT" --simulate syslinux | sort | checksum)
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| 101 | }
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| 102 |
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| 103 | syslinux_gen_config() {
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| 104 | [ -z "$syslinux_serial" ] || echo "SERIAL $syslinux_serial"
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| 105 | echo "TIMEOUT ${syslinux_timeout:-10}"
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| 106 | echo "PROMPT ${syslinux_prompt:-1}"
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| 107 | echo "DEFAULT ${kernel_flavors%% *}"
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| 108 |
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| 109 | local _f _p _initrd
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| 110 | for _f in $kernel_flavors; do
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| 111 | if [ -z "${xen_params+set}" ]; then
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| 112 | _initrd="/boot/initramfs-$_f"
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| 113 | for _p in $initrd_ucode; do
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| 114 | _initrd="$_p,$_initrd"
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| 115 | done
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| 116 |
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| 117 | cat <<- EOF
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| 118 |
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| 119 | LABEL $_f
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| 120 | MENU LABEL Linux $_f
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| 121 | KERNEL /boot/vmlinuz-$_f
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| 122 | INITRD $_initrd
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| 123 | FDTDIR /boot/dtbs-$_f
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| 124 | APPEND $initfs_cmdline $kernel_cmdline
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| 125 | EOF
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| 126 | else
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| 127 | cat <<- EOF
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| 128 |
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| 129 | LABEL $_f
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| 130 | MENU LABEL Xen/Linux $_f
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| 131 | KERNEL /boot/syslinux/mboot.c32
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| 132 | APPEND /boot/xen.gz ${xen_params} --- /boot/vmlinuz-$_f $initfs_cmdline $kernel_cmdline --- /boot/initramfs-$_f
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| 133 | EOF
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| 134 | fi
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| 135 | done
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| 136 | }
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| 137 |
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| 138 | grub_gen_config() {
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| 139 | local _f _p _initrd
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| 140 | echo "set timeout=1"
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| 141 | for _f in $kernel_flavors; do
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| 142 | if [ -z "${xen_params+set}" ]; then
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| 143 | _initrd="/boot/initramfs-$_f"
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| 144 | for _p in $initrd_ucode; do
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| 145 | _initrd="$_p $_initrd"
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| 146 | done
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| 147 |
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| 148 | cat <<- EOF
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| 149 |
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| 150 | menuentry "Linux $_f" {
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| 151 | linux /boot/vmlinuz-$_f $initfs_cmdline $kernel_cmdline
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| 152 | initrd $_initrd
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| 153 | }
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| 154 | EOF
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| 155 | else
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| 156 | cat <<- EOF
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| 157 |
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| 158 | menuentry "Xen/Linux $_f" {
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| 159 | multiboot2 /boot/xen.gz ${xen_params}
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| 160 | module2 /boot/vmlinuz-$_f $initfs_cmdline $kernel_cmdline
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| 161 | module2 /boot/initramfs-$_f
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| 162 | }
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| 163 | EOF
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| 164 | fi
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| 165 | done
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| 166 | }
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| 167 |
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| 168 | build_syslinux_cfg() {
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| 169 | local syslinux_cfg="$1"
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| 170 | mkdir -p "${DESTDIR}/$(dirname $syslinux_cfg)"
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| 171 | syslinux_gen_config > "${DESTDIR}"/$syslinux_cfg
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| 172 | }
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| 173 |
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| 174 | section_syslinux_cfg() {
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| 175 | syslinux_cfg=""
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| 176 | if [ "$ARCH" = x86 -o "$ARCH" = x86_64 ]; then
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| 177 | [ ! "$output_format" = "iso" ] || syslinux_cfg="boot/syslinux/syslinux.cfg"
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| 178 | fi
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| 179 | [ ! -n "$uboot_install" ] || syslinux_cfg="extlinux/extlinux.conf"
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| 180 | [ -n "$syslinux_cfg" ] || return 0
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| 181 | build_section syslinux_cfg $syslinux_cfg $(syslinux_gen_config | checksum)
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| 182 | }
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| 183 |
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| 184 | build_grub_cfg() {
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| 185 | local grub_cfg="$1"
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| 186 | mkdir -p "${DESTDIR}/$(dirname $grub_cfg)"
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| 187 | grub_gen_config > "${DESTDIR}"/$grub_cfg
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| 188 | }
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| 189 |
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| 190 | gen_volid() {
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| 191 | printf "%s" "alpine-${profile_abbrev:-$PROFILE} ${RELEASE%_rc*} $ARCH" | cut -c1-32
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| 192 | }
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| 193 |
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| 194 | grub_gen_earlyconf() {
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| 195 | cat <<- EOF
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| 196 | search --no-floppy --set=root --label "$(gen_volid)"
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| 197 | set prefix=(\$root)/boot/grub
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| 198 | EOF
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| 199 | }
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| 200 |
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| 201 | build_grub_efi() {
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| 202 | local _format="$1"
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| 203 | local _efi="$2"
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| 204 |
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| 205 | apk fetch --root "$APKROOT" --quiet --stdout grub-efi | tar -C "$WORKDIR" -zx usr/lib/grub
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| 206 |
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| 207 | |
| 208 | mkdir -p "$DESTDIR/efi/boot"
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| 209 | grub_gen_earlyconf > "$WORKDIR/grub_early.$3.cfg"
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| 210 | grub-mkimage \
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| 211 | --config="$WORKDIR/grub_early.$3.cfg" \
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| 212 | --directory="$WORKDIR"/usr/lib/grub/"$_format" \
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| 213 | --prefix="/boot/grub" \
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| 214 | --output="$DESTDIR/efi/boot/$_efi" \
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| 215 | --format="$_format" \
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| 216 | --compression="xz" \
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| 217 | $grub_mod
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| 218 | }
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| 219 |
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| 220 | section_grubieee1275() {
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| 221 | [ "$ARCH" = ppc64le ] || return 0
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| 222 | [ "$output_format" = "iso" ] || return 0
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| 223 | kernel_cmdline="$kernel_cmdline console=hvc0"
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| 224 |
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| 225 | build_section grub_cfg boot/grub/grub.cfg $(grub_gen_config | checksum)
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| 226 | }
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| 227 |
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| 228 | section_grub_efi() {
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| 229 | [ -n "$grub_mod" ] || return 0
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| 230 | local _format _efi
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| 231 | case "$ARCH" in
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| 232 | aarch64)_format="arm64-efi"; _efi="bootaa64.efi" ;;
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| 233 | arm*) _format="arm-efi"; _efi="bootarm.efi" ;;
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| 234 | x86) _format="i386-efi"; _efi="bootia32.efi" ;;
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| 235 | x86_64) _format="x86_64-efi"; _efi="bootx64.efi" ;;
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| 236 | riscv64) _format="riscv64-efi"; _efi="bootriscv64.efi" ;;
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| 237 | loongarch64) _format="loongarch64-efi"; _efi="bootloongarch64.efi" ;;
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| 238 | *) return 0 ;;
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| 239 | esac
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| 240 |
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| 241 | build_section grub_cfg boot/grub/grub.cfg $(grub_gen_config | checksum)
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| 242 | build_section grub_efi $_format $_efi $(grub_gen_earlyconf | checksum)
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| 243 | }
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| 244 |
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| 245 | create_image_iso() {
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| 246 | local ISO="${OUTDIR}/${output_filename}"
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| 247 | local _isolinux
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| 248 | local _efiboot
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| 249 |
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| 250 | if [ -e "${DESTDIR}/boot/syslinux/isolinux.bin" ]; then
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| 251 | |
| 252 | _isolinux="
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| 253 | -isohybrid-mbr ${DESTDIR}/boot/syslinux/isohdpfx.bin
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| 254 | -eltorito-boot boot/syslinux/isolinux.bin
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| 255 | -eltorito-catalog boot/syslinux/boot.cat
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| 256 | -no-emul-boot
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| 257 | -boot-load-size 4
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| 258 | -boot-info-table
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| 259 | "
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| 260 | fi
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| 261 | if [ -e "${DESTDIR}/efi" -a -e "${DESTDIR}/boot/grub" ]; then
|
| 262 | |
| 263 | mformat -i ${DESTDIR}/boot/grub/efi.img -C -f 1440 -N 0 ::
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| 264 | mcopy -i ${DESTDIR}/boot/grub/efi.img -s ${DESTDIR}/efi ::
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| 265 | touch -md "@${SOURCE_DATE_EPOCH}" ${DESTDIR}/boot/grub/efi.img
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| 266 |
|
| 267 | |
| 268 | if [ -z "$_isolinux" ]; then
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| 269 | |
| 270 | _efiboot="
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| 271 | -efi-boot-part
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| 272 | --efi-boot-image
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| 273 | -e boot/grub/efi.img
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| 274 | -no-emul-boot
|
| 275 | "
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| 276 | else
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| 277 | |
| 278 | _efiboot="
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| 279 | -eltorito-alt-boot
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| 280 | -e boot/grub/efi.img
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| 281 | -no-emul-boot
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| 282 | -isohybrid-gpt-basdat
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| 283 | "
|
| 284 | fi
|
| 285 | fi
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| 286 |
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| 287 | if [ "$ARCH" = ppc64le ]; then
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| 288 | apk fetch --root "$APKROOT" --quiet --stdout grub-ieee1275 | tar -C "$WORKDIR" -zx usr/lib/grub
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| 289 | grub-mkrescue --output ${ISO} ${DESTDIR} -follow-links \
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| 290 | --directory="$WORKDIR"/usr/lib/grub/powerpc-ieee1275 \
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| 291 | -sysid LINUX \
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| 292 | -volid "$(gen_volid)"
|
| 293 | else
|
| 294 | if [ "$ARCH" = s390x ]; then
|
| 295 | printf %s "$initfs_cmdline $kernel_cmdline " > ${WORKDIR}/parmfile
|
| 296 | for _f in $kernel_flavors; do
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| 297 | mk-s390image -p ${WORKDIR}/parmfile \
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| 298 | -r ${DESTDIR}/boot/initramfs-$_f \
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| 299 | ${DESTDIR}/boot/vmlinuz-$_f \
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| 300 | ${DESTDIR}/boot/merged.img
|
| 301 | done
|
| 302 | iso_opts="$iso_opts -no-emul-boot -eltorito-boot boot/merged.img"
|
| 303 | fi
|
| 304 | xorrisofs \
|
| 305 | -quiet \
|
| 306 | -output ${ISO} \
|
| 307 | -full-iso9660-filenames \
|
| 308 | -joliet \
|
| 309 | -rational-rock \
|
| 310 | -sysid LINUX \
|
| 311 | -volid "$(gen_volid)" \
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| 312 | $_isolinux \
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| 313 | $_efiboot \
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| 314 | -follow-links \
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| 315 | ${iso_opts} \
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| 316 | ${DESTDIR}
|
| 317 | fi
|
| 318 | }
|
| 319 |
|
| 320 | create_image_targz() {
|
| 321 | tar -C "${DESTDIR}" \
|
| 322 | --mtime="@${SOURCE_DATE_EPOCH}" \
|
| 323 | --owner=0 --group=0 --numeric-owner \
|
| 324 | -chzf "${OUTDIR}/${output_filename}" .
|
| 325 | }
|
| 326 |
|
| 327 | profile_base() {
|
| 328 | kernel_flavors="lts"
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| 329 | initfs_cmdline="modules=loop,squashfs,sd-mod,usb-storage quiet"
|
| 330 | initfs_features="ata base bootchart cdrom dhcp ext4 mmc nvme raid scsi squashfs usb virtio"
|
| 331 | modloop_sign=yes
|
| 332 | grub_mod="all_video disk part_gpt part_msdos linux normal configfile search search_label efi_gop fat iso9660 cat echo ls test true help gzio"
|
| 333 | case "$ARCH" in
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| 334 | x86*) grub_mod="$grub_mod multiboot2 efi_uga";;
|
| 335 | esac
|
| 336 | case "$ARCH" in
|
| 337 | x86_64) initfs_features="$initfs_features nfit";;
|
| 338 | arm*|aarch64|riscv64) initfs_features="$initfs_features phy";;
|
| 339 | esac
|
| 340 | apks="alpine-base apk-cron busybox chrony dhcpcd doas e2fsprogs
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| 341 | kbd-bkeymaps network-extras openntpd openssl openssh
|
| 342 | tzdata wget tiny-cloud-alpine"
|
| 343 | apkovl=
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| 344 | hostname="alpine"
|
| 345 | }
|