ohhhhhhhhhhh (exclude linux-extra-rootfs.img build artifact)

CODE/linux/tmp_plasma_deps.sh

@@ -0,0 +1,35 @@
+#!/usr/bin/env bash
+set -uo pipefail
+IMG=/home/deshab/deshab-dev.img
+killall qemu-system-x86_64 2>/dev/null || true
+LOOP=$(losetup --find --show --partscan "$IMG")
+sleep 0.3
+M=$(mktemp -d)
+mount -o ro "${LOOP}p1" "$M"
+EXTRA="$M/boot/linux-extra-rootfs.img"
+W=/tmp/plasma-deps
+mkdir -p "$W"
+debugfs -R "dump /usr/lib/libpam.so.0.85.1 $W/pam" "$EXTRA" >/dev/null
+debugfs -R "dump /usr/lib/libpam_misc.so.0.82.1 $W/pammisc" "$EXTRA" >/dev/null
+echo "===== pam NEEDED ====="
+readelf -d "$W/pam" "$W/pammisc" | grep NEEDED || true
+magic_of() {
+  local path="$1"
+  local dest sz mag
+  dest=$(debugfs -R "stat $path" "$EXTRA" 2>/dev/null | sed -n 's/.*Fast link dest: "//p' | tr -d '"')
+  if [[ -n "$dest" ]]; then
+    [[ "$dest" != /* ]] && dest="$(dirname "$path")/$dest"
+    path="$dest"
+  fi
+  sz=$(debugfs -R "stat $path" "$EXTRA" 2>/dev/null | sed -n 's/.*Size: *//p' | awk '{print $1; exit}')
+  mag=$(debugfs -R "cat $path" "$EXTRA" 2>/dev/null | head -c 4 | od -An -tx1 | tr -s ' ')
+  echo "$path size=${sz:-?} magic=$mag"
+}
+while read -r name; do
+  [[ -n "$name" ]] || continue
+  magic_of "/usr/lib/$name"
+done < <(readelf -d "$W/pam" "$W/pammisc" | sed -n 's/.*Shared library: \[\(.*\)\]/\1/p' | sort -u)
+umount "$M"
+losetup -d "$LOOP"
+rmdir "$M"
+echo DONE