chore: add local patching script for emulators in nix

Author: grdddj

.gitignore

@@ -4,9 +4,8 @@ src/binaries/firmware/repo
 src/binaries/trezord-go/repo
 __pycache__
 src/binaries/firmware/bin/*
-!src/binaries/firmware/bin/download.sh
+!src/binaries/firmware/bin/*.sh
 !src/binaries/firmware/bin/download_latest_gh.py
-!src/binaries/firmware/bin/patch-bin.sh
 !src/binaries/firmware/bin/arm
 !src/binaries/trezord-go/bin/download.sh
 src/binaries/node-bridge/bin.js

src/binaries/firmware/bin/patch-emulators-nix.sh

@@ -0,0 +1,142 @@
+#!/bin/bash
+#
+# Patch emulator binaries for Nix environment
+# This script fixes both the interpreter path and rpath for all emulator binaries
+# to work with the current Nix environment's library paths.
+#
+# Usage: Run from trezor-user-env root directory, inside nix-shell
+#   nix-shell --command 'src/binaries/firmware/bin/patch-emulators-nix.sh'
+#
+
+set -e
+
+SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+BIN_DIR="$SCRIPT_DIR"
+
+echo "========================================="
+echo "Patching emulator binaries for Nix"
+echo "========================================="
+echo ""
+
+# Check we're in nix-shell
+if [ -z "$IN_NIX_SHELL" ]; then
+    echo "ERROR: This script must be run inside nix-shell"
+    echo "Please run: nix-shell --command '$0'"
+    exit 1
+fi
+
+# Check patchelf is available
+if ! command -v patchelf &> /dev/null; then
+    echo "ERROR: patchelf not found in PATH"
+    exit 1
+fi
+
+# Step 1: Find current library paths from nix environment
+echo "Step 1: Finding library paths in current Nix environment..."
+
+# Use ls instead of find for faster results
+LIBJPEG_LIB=$(ls /nix/store/*libjpeg*/lib/libjpeg.so.62 2>/dev/null | head -1)
+LIBJPEG=$(dirname "$LIBJPEG_LIB" 2>/dev/null || echo "")
+
+SDL2_LIB=$(ls /nix/store/*SDL2-*/lib/libSDL2-2.0.so.0 2>/dev/null | head -1)
+SDL2=$(dirname "$SDL2_LIB" 2>/dev/null || echo "")
+
+SDL2_IMG_LIB=$(ls /nix/store/*SDL2*image*/lib/libSDL2_image-2.0.so.0 2>/dev/null | head -1)
+SDL2_IMG=$(dirname "$SDL2_IMG_LIB" 2>/dev/null || echo "")
+
+INTERPRETER=$(patchelf --print-interpreter $(which python) 2>/dev/null || echo "")
+GLIBC=$(dirname "$INTERPRETER" 2>/dev/null || echo "")
+
+if [ -z "$LIBJPEG" ] || [ -z "$SDL2" ] || [ -z "$SDL2_IMG" ] || [ -z "$GLIBC" ] || [ -z "$INTERPRETER" ]; then
+    echo "ERROR: Could not find required libraries in Nix store"
+    echo "LIBJPEG: $LIBJPEG"
+    echo "SDL2: $SDL2"
+    echo "SDL2_IMG: $SDL2_IMG"
+    echo "GLIBC: $GLIBC"
+    echo "INTERPRETER: $INTERPRETER"
+    exit 1
+fi
+
+echo "  ✓ libjpeg:     $LIBJPEG"
+echo "  ✓ SDL2:        $SDL2"
+echo "  ✓ SDL2_image:  $SDL2_IMG"
+echo "  ✓ glibc:       $GLIBC"
+echo "  ✓ interpreter: $INTERPRETER"
+echo ""
+
+# Step 2: Build new rpath
+NEW_RPATH="$LIBJPEG:$SDL2:$SDL2_IMG:$GLIBC"
+
+# Step 3: Patch all emulator binaries
+echo "Step 2: Patching emulator binaries..."
+echo ""
+
+COUNT=0
+FAILED=0
+
+for binary in "$BIN_DIR"/trezor-emu-*; do
+    # Skip if not a file or not executable
+    if [ ! -f "$binary" ] || [ ! -x "$binary" ]; then
+        continue
+    fi
+
+    BINARY_NAME=$(basename "$binary")
+
+    # Check if it's an ELF binary
+    if ! readelf -h "$binary" &>/dev/null; then
+        echo "  ⊗ Skipping $BINARY_NAME (not an ELF file)"
+        continue
+    fi
+
+    # Patch interpreter
+    if ! patchelf --set-interpreter "$INTERPRETER" "$binary" 2>/dev/null; then
+        echo "  ✗ Failed to patch interpreter for $BINARY_NAME"
+        FAILED=$((FAILED + 1))
+        continue
+    fi
+
+    # Patch rpath
+    if ! patchelf --set-rpath "$NEW_RPATH" "$binary" 2>/dev/null; then
+        echo "  ✗ Failed to patch rpath for $BINARY_NAME"
+        FAILED=$((FAILED + 1))
+        continue
+    fi
+
+    COUNT=$((COUNT + 1))
+
+    # Print progress every 10 files
+    if [ $((COUNT % 10)) -eq 0 ]; then
+        echo "  Patched $COUNT binaries..."
+    fi
+done
+
+echo ""
+echo "========================================="
+echo "Summary:"
+echo "  ✓ Successfully patched: $COUNT binaries"
+if [ $FAILED -gt 0 ]; then
+    echo "  ✗ Failed: $FAILED binaries"
+fi
+echo "========================================="
+
+# Verify one binary works
+echo ""
+echo "Verification: Checking a sample binary..."
+SAMPLE_BINARY="$BIN_DIR/trezor-emu-core-T3T1-v2.9.0"
+if [ -f "$SAMPLE_BINARY" ]; then
+    echo ""
+    echo "Libraries for $(basename $SAMPLE_BINARY):"
+    ldd "$SAMPLE_BINARY" 2>&1 | grep -E "(libjpeg|SDL2)" || true
+    echo ""
+    echo "Testing if binary runs..."
+    if "$SAMPLE_BINARY" --help &>/dev/null; then
+        echo "  ✓ Binary runs successfully!"
+    else
+        echo "  ⚠ Binary may have issues (check manually)"
+    fi
+else
+    echo "  (Sample binary not found, skipping verification)"
+fi
+
+echo ""
+echo "Done! All emulator binaries have been patched."