Jan De Landtsheer
721e26a855
Replace inline boot testing with standalone runit.sh runner for clarity: - Remove scripts/lib/testing.sh source and boot_tests stage from build.sh - Remove --skip-tests option from build.sh and rebuild-after-zinit.sh - Update all docs to reference runit.sh for QEMU/cloud-hypervisor testing - Add comprehensive claude.md as AI assistant entry point with guidelines Testing is now fully decoupled from build pipeline; use ./runit.sh for QEMU/cloud-hypervisor validation after builds complete.
236 lines
8.1 KiB
Bash
Executable File
236 lines
8.1 KiB
Bash
Executable File
#!/bin/bash
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# Rebuild kernel (and required prior stages) after zinit config or init scripts change
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# Usage:
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# scripts/rebuild-after-zinit.sh # minimal rebuild of initramfs only (skip boot tests; no kernel rebuild)
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# scripts/rebuild-after-zinit.sh --run-tests # include boot tests (still no kernel rebuild by default)
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# scripts/rebuild-after-zinit.sh --with-kernel # also rebuild kernel (re-embed updated initramfs)
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# scripts/rebuild-after-zinit.sh --refresh-container-mods # rebuild container /lib/modules if missing (kernel modules stage)
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# scripts/rebuild-after-zinit.sh --verify-only # only report detected changes, do not rebuild
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# scripts/rebuild-after-zinit.sh -- ... # pass extra args to build.sh
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set -euo pipefail
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SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
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PROJECT_ROOT="$(dirname "$SCRIPT_DIR")"
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STAGES_DIR="${PROJECT_ROOT}/.build-stages"
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log() { echo "[rebuild-zinit] $*"; }
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run_tests=0
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extra_args=()
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rebuild_kernel=0
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refresh_container_mods=0
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verify_only=0
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# Parse flags; pass through any remaining args to build.sh after --
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while [[ $# -gt 0 ]]; do
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case "$1" in
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--run-tests)
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run_tests=1
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shift
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;;
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--with-kernel)
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rebuild_kernel=1
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shift
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;;
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--refresh-container-mods)
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refresh_container_mods=1
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shift
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;;
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--verify-only)
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verify_only=1
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shift
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;;
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--)
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shift
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extra_args=("$@")
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break
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;;
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*)
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# Pass unknown args through to build.sh
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extra_args+=("$1")
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shift
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;;
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esac
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done
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log "PROJECT_ROOT=${PROJECT_ROOT}"
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log "STAGES_DIR=${STAGES_DIR}"
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# Show current stage status before any changes (host-safe; does not require container)
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log "Stage status (before):"
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("${PROJECT_ROOT}/scripts/build.sh" --show-stages) || true
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# ------------------------------------------------------------
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# Container detection helper
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# ------------------------------------------------------------
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in_container() {
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[[ -f /.dockerenv ]] || [[ -f /run/.containerenv ]] || grep -q 'container' /proc/1/cgroup 2>/dev/null
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}
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# ------------------------------------------------------------
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# Change detection (verify what changed since last archive build)
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# ------------------------------------------------------------
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marker_init="${STAGES_DIR}/initramfs_create.done"
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marker_time=0
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if [[ -f "$marker_init" ]]; then
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marker_time=$(stat -c %Y "$marker_init" 2>/dev/null || echo 0)
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fi
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log "Detecting changes since last initramfs_create marker: ${marker_init:-<none>}"
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check_dir_changed() {
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local path="$1"
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local cutoff="$2"
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local count
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count=$(find "$path" -type f -printf '%T@ %p\n' 2>/dev/null | awk -v c="$cutoff" '$1 > c {n++} END {print n+0}')
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echo "${count:-0}"
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}
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list_some_changes() {
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local path="$1"
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local cutoff="$2"
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# list up to 5 example files
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find "$path" -type f -printf '%T@ %p\n' 2>/dev/null | awk -v c="$cutoff" '$1 > c {print $2}' | head -n 5
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}
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zinit_dir="${PROJECT_ROOT}/config/zinit"
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init_file="${PROJECT_ROOT}/config/init"
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modules_conf="${PROJECT_ROOT}/config/modules.conf"
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zinit_changed=0
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init_changed=0
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modules_changed=0
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if [[ -d "$zinit_dir" ]]; then
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zinit_changed=$(check_dir_changed "$zinit_dir" "$marker_time")
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fi
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if [[ -f "$init_file" ]]; then
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if [[ $(stat -c %Y "$init_file" 2>/dev/null || echo 0) -gt $marker_time ]]; then init_changed=1; fi
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fi
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if [[ -f "$modules_conf" ]]; then
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if [[ $(stat -c %Y "$modules_conf" 2>/dev/null || echo 0) -gt $marker_time ]]; then modules_changed=1; fi
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fi
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log "Changes since last archive:"
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log " - config/zinit: ${zinit_changed} file(s) changed"
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if [[ "$zinit_changed" -gt 0 ]]; then
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list_some_changes "$zinit_dir" "$marker_time" | sed 's/^/ * /' || true
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fi
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log " - config/init: $([[ $init_changed -eq 1 ]] && echo changed || echo unchanged)"
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log " - config/modules.conf: $([[ $modules_changed -eq 1 ]] && echo changed || echo unchanged)"
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if [[ "$verify_only" -eq 1 ]]; then
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log "verify-only set; exiting without rebuild"
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exit 0
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fi
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# ------------------------------------------------------------
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# Container /lib/modules/<FULL_VERSION> presence diagnostics
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# (we never clear kernel_modules unless --refresh-container-mods is given)
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# ------------------------------------------------------------
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compute_full_kver() {
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# Read from configs without sourcing (safe in any shell)
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local build_conf="${PROJECT_ROOT}/config/build.conf"
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local kcfg="${PROJECT_ROOT}/config/kernel.config"
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local base_ver=""
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local localver=""
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if [[ -f "$build_conf" ]]; then
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base_ver="$(grep -E '^KERNEL_VERSION=' "$build_conf" | head -1 | cut -d= -f2 | tr -d '\"')"
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fi
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if [[ -f "$kcfg" ]]; then
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localver="$(grep -E '^CONFIG_LOCALVERSION=' "$kcfg" | head -1 | cut -d'\"' -f2)"
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fi
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echo "${base_ver}${localver}"
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}
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modules_dir_for_full() {
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local full="$1"
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echo "/lib/modules/${full}"
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}
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full_kver="$(compute_full_kver)"
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container_modules_dir="$(modules_dir_for_full "$full_kver")"
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log "Container modules version: ${full_kver:-<unknown>}"
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if [[ -d "$container_modules_dir" ]]; then
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before_count=$(find "$container_modules_dir" -type f -name '*.ko*' 2>/dev/null | wc -l | tr -d ' ')
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log "Before build: ${container_modules_dir} exists with ${before_count} module file(s)"
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else
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log "Before build: ${container_modules_dir} not present (fresh container scenario)"
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fi
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# Minimal set of stages to clear when zinit changes:
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# - zinit_setup: recopy zinit YAML and init scripts into initramfs
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# - validation: re-check initramfs contents
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# - initramfs_create: recreate archive including updated zinit files
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# - initramfs_test: re-test archive
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# - kernel_build: re-embed updated initramfs into kernel
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# - boot_tests: optional, depends on --run-tests
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stages_to_clear=(
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# Ensure new/changed module selections in [config/modules.conf](config/modules.conf)
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# are re-resolved and copied into the initramfs:
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"modules_setup"
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"modules_copy"
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# Re-copy /init into the initramfs root from [config/init](config/init)
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"init_script"
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# Ensure zinit YAML/init script changes are reapplied:
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"zinit_setup"
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# Re-validate and recreate archive (no kernel rebuild by default):
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"validation"
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"initramfs_create"
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"initramfs_test"
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)
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# Optionally rebuild container modules if requested (fresh container scenario)
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if [[ "$refresh_container_mods" -eq 1 ]]; then
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stages_to_clear=("kernel_modules" "${stages_to_clear[@]}")
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fi
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# Optionally rebuild kernel (re-embed updated initramfs)
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if [[ "$rebuild_kernel" -eq 1 ]]; then
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stages_to_clear+=("kernel_build")
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fi
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# Remove completion markers to force incremental rebuild of those stages
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log "Planned markers to clear: ${stages_to_clear[*]}"
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for s in "${stages_to_clear[@]}"; do
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marker="${STAGES_DIR}/${s}.done"
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if [[ -f "$marker" ]]; then
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log "Removing stage marker: ${marker}"
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rm -f "$marker"
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else
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log "Marker not present (already pending): ${s}"
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fi
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done
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# Show stage status after marker removal (still host-safe)
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log "Stage status (after marker removal):"
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("${PROJECT_ROOT}/scripts/build.sh" --show-stages) || true
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# Build
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log "Starting incremental rebuild (zinit changes)"
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# IMPORTANT: Do NOT pass --rebuild-from or --force-rebuild; that would force ALL stages to run.
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# We rely exclusively on removed markers to minimally re-run only the necessary stages.
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build_from_args=()
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if in_container; then
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# Run directly when already inside the dev/build container
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# Note: Tests are run separately using runit.sh, not during build
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log "Running rebuild (in-container) - use runit.sh for testing"
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DEBUG=1 "${PROJECT_ROOT}/scripts/build.sh" "${build_from_args[@]}" "${extra_args[@]}"
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else
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# Not in container: delegate to dev-container manager which ensures container exists and is running
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devctl="${PROJECT_ROOT}/scripts/dev-container.sh"
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if [[ ! -x "$devctl" ]]; then
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log "[ERROR] Dev container manager not found: ${devctl}"
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log "[HINT] Run ./scripts/build.sh directly (it can start a transient container), or start the dev container via ./scripts/dev-container.sh start"
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exit 1
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fi
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# Note: Tests are run separately using runit.sh, not during build
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log "Running rebuild via dev-container - use runit.sh for testing"
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"$devctl" build "${build_from_args[@]}" "${extra_args[@]}"
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fi |