148 lines
3.9 KiB
Bash
Executable File
148 lines
3.9 KiB
Bash
Executable File
#!/usr/bin/env sh
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# keru-install — Keru OS installer. Runs from the live ISO, walks you
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# through your choices, writes make.conf, then builds your system.
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set -eu
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. "$(dirname "$0")/../scripts/common.sh"
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OUT="${MAKE_CONF_OUT:-/tmp/keru/make.conf}"
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mkdir -p /tmp/keru
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# show a menu of options, remember the pick in $CHOICE
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pick() {
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prompt="$1"; shift
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default="$1"; shift
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CHOICE="$default"
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printf '%s\n' "== $prompt =="
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n=0
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for opt in "$@"; do
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n=$((n+1))
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printf ' %s) %s\n' "$n" "$opt"
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done
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printf 'Select [%s]: ' "$default"
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read -r sel
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case "$sel" in
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''|*[!0-9]*) CHOICE="$default" ;;
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*)
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if [ "$sel" -ge 1 ] && [ "$sel" -le "$n" ]; then
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i=0
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for opt in "$@"; do
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i=$((i+1))
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[ "$i" -eq "$sel" ] && { CHOICE="$opt"; break; }
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done
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else
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CHOICE="$default"
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fi
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;;
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esac
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}
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require_network() {
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ok=0
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for host in 1.1.1.1 github.com; do
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if command -v ping >/dev/null 2>&1 && ping -c1 -W2 "$host" >/dev/null 2>&1; then
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ok=1; break
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fi
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done
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if [ "$ok" = "0" ]; then
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if command -v nc >/dev/null 2>&1 && nc -z -w5 github.com 443 >/dev/null 2>&1; then
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ok=1
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elif [ -e /dev/tcp ] && (exec 3<>/dev/tcp/github.com/443) >/dev/null 2>&1; then
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ok=1
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fi
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fi
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[ "$ok" = "1" ]
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}
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configure_network() {
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if command -v nmtui >/dev/null 2>&1; then
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nmtui >/dev/null 2>&1
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else
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warn "nmtui not available — bring up the network yourself, then continue"
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fi
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}
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banner "Keru OS — network required"
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info "the ISO only carries the installer."
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info "the system you choose (init, libc, fs, kernel, tools) is fetched and"
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info "built from the network during installation. a connection is required."
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while ! require_network; do
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warn "network: not connected"
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read -r -p "Connect to the network now (runs nmtui)? [Y/n] " cfg
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case "$cfg" in
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n|N|no) die "a network connection is required to install Keru" ;;
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*) configure_network ;;
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esac
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done
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msg "network: connected"
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banner "Keru OS — craft your system"
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pick "Init system" runit runit s6 openrc systemd busybox-init sysvinit dinit shepherd
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INIT="$CHOICE"
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pick "C library" glibc glibc musl uclibc-ng
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LIBC="$CHOICE"
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pick "Filesystem" ext4 ext4 ext2 ext3 btrfs xfs zfs f2fs jfs reiserfs
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TARGET_FS="$CHOICE"
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pick "Kernel" linux linux linux-lts linux-hardened linux-cachyos linux-zen
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KERNEL="$CHOICE"
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pick "Privilege elevation (sudo alternative)" doas doas sudo opendoas su
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SUDO="$CHOICE"
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pick "Network tools" nmtui nmtui networkmanager connman systemd-networkd
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NET="$CHOICE"
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warn_unstable() {
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unstable=0
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case "$LIBC:$INIT" in
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uclibc-ng:*|musl:systemd)
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warn "$LIBC + $INIT: not yet proven to build and boot together"
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unstable=1 ;;
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esac
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case "$LIBC:$KERNEL" in
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musl:linux-zen|uclibc-ng:*)
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warn "$LIBC + $KERNEL: not yet proven to build and boot together"
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unstable=1 ;;
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esac
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case "$TARGET_FS" in
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zfs) warn "zfs + $LIBC: needs kernel module + ZFS userspace, not yet proven"
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unstable=1 ;;
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reiserfs) warn "reiserfs is unmaintained and has no stable future"
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unstable=1 ;;
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esac
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[ "$unstable" = "1" ] && warn "this combination is unstable. Keru won't stop you — build at your own risk."
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}
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warn_unstable
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msg "writing $OUT"
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cat > "$OUT" <<EOF
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# Generated by keru-install — hand-tune then rebuild if you like.
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INIT=$INIT
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LIBC=$LIBC
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TARGET_FS=$TARGET_FS
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KERNEL=$KERNEL
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SUDO=$SUDO
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NET=$NET
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LICENSE_ACCEPT=(*)
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EOF
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msg "profile complete:"
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cat "$OUT"
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read -r -p "Build now? [y/N] " go
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case "$go" in
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y|Y|yes)
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"$(dirname "$0")/../scripts/build-root.sh" "$OUT"
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;;
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*)
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msg "saved profile to $OUT (run scripts/build-root.sh to build)"
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;;
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esac
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