Initial commit

2026-03-21 12:43:00 -05:00
commit 83bf16823c
438 changed files with 33617 additions and 0 deletions
@@ -0,0 +1,88 @@
+#!/bin/sh
+set -eu
+
+MKINITRAMFS=${MKINITRAMFS:-mkinitramfs}
+DEPMOD=${DEPMOD:-depmod}
+BOOT_DIR=${BOOT_DIR:-/boot}
+
+if ! command -v "$MKINITRAMFS" >/dev/null 2>&1; then
+    echo "error: $MKINITRAMFS not found in PATH" >&2
+    exit 1
+fi
+
+if ! command -v "$DEPMOD" >/dev/null 2>&1; then
+    echo "error: $DEPMOD not found in PATH" >&2
+    exit 1
+fi
+
+if [ ! -d "$BOOT_DIR" ]; then
+    echo "error: boot directory not found: $BOOT_DIR" >&2
+    exit 1
+fi
+
+versions=""
+
+add_version() {
+    v=$1
+    case "
+$versions
+" in
+*"
+$v
+"*) ;;
+*)
+    if [ -z "$versions" ]; then
+        versions=$v
+    else
+        versions=$versions"
+"$v
+    fi
+    ;;
+esac
+}
+
+for moddir in /lib/modules/*/; do
+    [ -d "$moddir" ] || continue
+    kver=${moddir%/}
+    kver=${kver##*/}
+    [ -n "$kver" ] || continue
+
+    vmlinuz_link="$moddir/vmlinuz"
+    [ -e "$vmlinuz_link" ] || continue
+
+    kernel_image=$(readlink -f "$vmlinuz_link" 2>/dev/null) || continue
+    [ -f "$kernel_image" ] || continue
+
+    add_version "$kver"
+done
+
+if [ -z "$versions" ]; then
+    echo "no versioned kernels found via /lib/modules/*/vmlinuz" >&2
+    exit 0
+fi
+
+(
+    cd "$BOOT_DIR" || exit 1
+    printf '%s\n' "$versions" | while IFS= read -r kver; do
+        [ -n "$kver" ] || continue
+
+        vmlinuz_link="/lib/modules/$kver/vmlinuz"
+        kernel_image=$(readlink -f "$vmlinuz_link" 2>/dev/null) || {
+            echo "skipping $kver: cannot resolve /lib/modules/$kver/vmlinuz" >&2
+            continue
+        }
+        [ -f "$kernel_image" ] || {
+            echo "skipping $kver: kernel image not found at $kernel_image" >&2
+            continue
+        }
+
+        echo "running depmod for $kver" >&2
+        "$DEPMOD" -a "$kver" || {
+            echo "error: depmod failed for $kver, skipping initramfs" >&2
+            continue
+        }
+
+        echo "updating initramfs for $kver (kernel: $kernel_image)" >&2
+        "$MKINITRAMFS" "$kver"
+    done
+)