Package MSYS2 runtime artifactmsys2_improve

1 files changed, 138 insertions, 0 deletions

diff --git a/tools/package-msys2-runtime.sh b/tools/package-msys2-runtime.sh
new file mode 100644
index 0000000..132d667
--- /dev/null
+++ b/tools/package-msys2-runtime.sh
@@ -0,0 +1,138 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+if [ "$#" -ne 2 ]; then
+    echo "usage: $0 <executable> <output-dir>" >&2
+    exit 2
+fi
+
+exe=$1
+out_dir=$2
+prefix=${MSYSTEM_PREFIX:-/mingw64}
+repo_root=$(git rev-parse --show-toplevel 2>/dev/null || pwd)
+licenses_dir="$out_dir/licenses"
+notices_file="$out_dir/THIRD-PARTY-NOTICES.txt"
+
+if [ ! -f "$exe" ]; then
+    echo "executable not found: $exe" >&2
+    exit 1
+fi
+
+if [ -z "$out_dir" ] || [ "$out_dir" = "/" ]; then
+    echo "refusing unsafe output directory: $out_dir" >&2
+    exit 1
+fi
+
+rm -rf "$out_dir"
+mkdir -p "$out_dir"
+mkdir -p "$licenses_dir"
+cp -f "$exe" "$out_dir/"
+cp -f "$repo_root/LICENSE" "$out_dir/LICENSE.txt"
+cp -f "$repo_root/README.md" "$out_dir/README.md"
+
+if [ -f "$repo_root/src/lib/libgha/LICENSE" ]; then
+    cp -f "$repo_root/src/lib/libgha/LICENSE" "$licenses_dir/libgha-LICENSE.txt"
+fi
+
+if [ -f "$repo_root/src/lib/fft/kissfft_impl/kiss_fft.c" ]; then
+    sed -n '1,/^\*\//p' "$repo_root/src/lib/fft/kissfft_impl/kiss_fft.c" > "$licenses_dir/kissfft-NOTICE.txt"
+fi
+
+if [ -f "$repo_root/src/platform/win/getopt/getopt.h" ]; then
+    awk '/^#pragma/ { exit } { print }' "$repo_root/src/platform/win/getopt/getopt.h" > "$licenses_dir/mingw-getopt-NOTICE.txt"
+fi
+
+cat > "$out_dir/SOURCE.txt" <<EOF
+AtracDEnc is distributed under the GNU Lesser General Public License,
+version 2.1 or later. See LICENSE.txt.
+
+Corresponding source code for this build is available from the project
+repository. Build commit:
+
+$(git -C "$repo_root" rev-parse HEAD 2>/dev/null || echo "unknown")
+
+Bundled MSYS2 runtime DLLs are unmodified binaries from MSYS2 packages.
+Their sources can be obtained from MSYS2 using the package names listed in
+THIRD-PARTY-NOTICES.txt.
+EOF
+
+cat > "$notices_file" <<EOF
+Third-party notices for the MSYS2 Windows binary package.
+
+Static third-party notices from source components are included under licenses/.
+
+This package bundles DLLs copied from MSYS2/MinGW packages so the executable
+can run without a separate MSYS2 installation. License files found in the
+local MSYS2 installation are copied under licenses/msys2/<package>/.
+
+Bundled DLLs:
+EOF
+
+list_msys2_dlls() {
+    ldd "$1" | awk -v prefix="$prefix" '
+        {
+            for (i = 1; i <= NF; ++i) {
+                gsub(/\r/, "", $i)
+                if (index($i, prefix "/bin/") == 1 && $i ~ /\.dll$/) {
+                    print $i
+                }
+            }
+        }
+    '
+}
+
+copy_package_license() {
+    local dll=$1
+    local pkg=""
+    local license_src=""
+    local license_dst=""
+
+    if ! command -v pacman >/dev/null 2>&1; then
+        printf '  %s - owning package unknown: pacman not available\n' "$(basename "$dll")" >> "$notices_file"
+        return
+    fi
+
+    pkg=$(pacman -Qo "$dll" 2>/dev/null | awk '{ print $(NF - 1) }' || true)
+    if [ -z "$pkg" ]; then
+        printf '  %s - owning package unknown\n' "$(basename "$dll")" >> "$notices_file"
+        return
+    fi
+
+    printf '  %s - %s\n' "$(basename "$dll")" "$pkg" >> "$notices_file"
+
+    license_dst="$licenses_dir/msys2/$pkg"
+    mkdir -p "$license_dst"
+
+    for license_src in \
+        "$prefix/share/licenses/$pkg" \
+        "/usr/share/licenses/$pkg"
+    do
+        if [ -d "$license_src" ]; then
+            cp -R "$license_src"/. "$license_dst"/
+            return
+        fi
+    done
+
+    printf '    license directory not found in MSYS2 installation\n' >> "$notices_file"
+}
+
+queue=("$exe")
+
+while [ "${#queue[@]}" -gt 0 ]; do
+    current=${queue[0]}
+    queue=("${queue[@]:1}")
+
+    while IFS= read -r dll; do
+        [ -n "$dll" ] || continue
+
+        dst="$out_dir/$(basename "$dll")"
+        if [ ! -f "$dst" ]; then
+            cp -f "$dll" "$dst"
+            copy_package_license "$dll"
+            queue+=("$dll")
+        fi
+    done < <(list_msys2_dlls "$current" | sort -u)
+done
+
+echo "MSYS2 package contents:"
+ls -la "$out_dir"