First Commit

Jenkinsfile

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+pipeline {
+    agent any
+
+    environment {
+        ROOTFS_JOB = "espos-rootfs"
+    }
+
+    stages {
+        stage('Clean') {
+            steps {
+                deleteDir()
+            }
+        }
+        stage("Checkout") {
+            steps {
+                checkout scm
+            }
+        }
+        stage('Download RootFS') {
+            steps {
+                copyArtifacts(
+                    projectName: env.ROOTFS_JOB,
+                    selector: lastSuccessful()
+                )
+            }
+        }
+
+        stage('Build ISO') {
+            steps {
+                sh '''
+                    chmod +x build-liveiso.sh
+                    sudo ./build-liveiso.sh
+                '''
+            }
+        }
+    }
+
+    post {
+        success {
+            archiveArtifacts(
+                artifacts: '*.iso',
+                fingerprint: true
+            )
+        }
+    }
+}

build-liveiso.sh

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+#!/usr/bin/env bash
+
+set -euo pipefail
+
+WORKDIR="$(pwd)/work"
+ROOTFS="$WORKDIR/rootfs"
+ISO="$WORKDIR/iso"
+
+rm -rf "$WORKDIR"
+
+mkdir -p "$ROOTFS"
+mkdir -p "$ISO/live"
+
+echo "=== Extracting RootFS ==="
+
+tar --zstd -xf espos-openrc-rootfs.tar.zst -C "$ROOTFS"
+
+echo "=== Mounting pseudo filesystems ==="
+
+mount --bind /dev "$ROOTFS/dev"
+mount --bind /proc "$ROOTFS/proc"
+mount --bind /sys "$ROOTFS/sys"
+
+cleanup() {
+    umount -lf "$ROOTFS/dev" 2>/dev/null || true
+    umount -lf "$ROOTFS/proc" 2>/dev/null || true
+    umount -lf "$ROOTFS/sys" 2>/dev/null || true
+}
+
+trap cleanup EXIT
+
+echo "=== Configuring Live User ==="
+
+chroot "$ROOTFS" bash <<'EOF'
+
+set -e
+
+apt update
+
+DEBIAN_FRONTEND=noninteractive apt install -y \
+    sudo \
+    live-boot \
+    live-config
+
+if ! id liveuser >/dev/null 2>&1; then
+    useradd -m -s /bin/bash liveuser
+fi
+
+passwd -d liveuser
+
+echo "liveuser ALL=(ALL) NOPASSWD:ALL" \
+    > /etc/sudoers.d/liveuser
+
+chmod 440 /etc/sudoers.d/liveuser
+
+mkdir -p /etc/conf.d
+
+cat >/etc/conf.d/agetty.tty1 <<CFG
+agetty_options="--autologin liveuser --noclear"
+CFG
+
+EOF
+
+echo "=== Copying Kernel ==="
+
+KERNEL="$(ls "$ROOTFS"/boot/vmlinuz-* | head -n1)"
+INITRD="$(ls "$ROOTFS"/boot/initrd.img-* | head -n1)"
+
+cp "$KERNEL" "$ISO/live/vmlinuz"
+cp "$INITRD" "$ISO/live/initrd"
+
+echo "=== Building SquashFS ==="
+
+mksquashfs \
+    "$ROOTFS" \
+    "$ISO/live/filesystem.squashfs" \
+    -comp zstd \
+    -e boot
+
+echo "=== Creating GRUB Layout ==="
+
+mkdir -p "$ISO/boot/grub"
+
+cat > "$ISO/boot/grub/grub.cfg" <<EOF
+set timeout=5
+
+menuentry "EspOS OpenRC Live" {
+    linux /live/vmlinuz boot=live quiet
+    initrd /live/initrd
+}
+EOF
+
+echo "=== Creating ISO ==="
+
+grub-mkrescue \
+    -o EspOS-OpenRC-Live.iso \
+    "$ISO"
+
+echo "=== Done ==="
+
+ls -lh EspOS-OpenRC-Live.iso