76 lines
3.0 KiB
Bash
76 lines
3.0 KiB
Bash
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#!/usr/bin/env bash
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# Collect licence and copyright information for everything an AppImage bundles.
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#
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# usage: tools/appimage-collect-licenses.sh <AppDir>
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#
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# A .deb declares only what it ships, because its dependencies remain separate
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# packages carrying their own copyright files. An AppImage carries those
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# libraries inside it, so their notices have to travel with it -- and most of
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# them here are LGPL (GTK, glib, pango and friends), where the obligation also
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# covers saying where the corresponding source can be had.
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#
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# The mapping is mechanical rather than researched: every bundled library came
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# from a Debian/Ubuntu package on the build host, so dpkg can name it, and the
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# archive already holds a copyright file for each. Run this after linuxdeploy
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# has populated the AppDir and before it packages the image.
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set -euo pipefail
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APPDIR="${1:?AppDir path}"
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DOCDIR="$APPDIR/usr/share/doc"
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MANIFEST="$DOCDIR/BUNDLED-LIBRARIES.txt"
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mkdir -p "$DOCDIR"
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{
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echo "Libraries bundled in this AppImage"
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echo "=================================="
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echo
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echo "Each library below was taken from the Debian/Ubuntu package named"
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echo "beside it on the build host. That package's copyright file is included"
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echo "under usr/share/doc/<package>/copyright in this image."
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echo
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echo "The corresponding source for any of them can be obtained with:"
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echo " apt-get source <package>=<version>"
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echo "from the distribution and release recorded below."
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echo
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echo "Build host: $( (. /etc/os-release && echo "$PRETTY_NAME") 2>/dev/null || echo unknown)"
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echo
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printf '%-44s %-34s %s\n' "LIBRARY" "PACKAGE" "VERSION"
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} > "$MANIFEST"
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found=0
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unowned=0
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while IFS= read -r so; do
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base="$(basename "$so")"
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pkg=""
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# Try the usual multiarch location first, then fall back to a name search.
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for candidate in "/usr/lib/x86_64-linux-gnu/$base" "/lib/x86_64-linux-gnu/$base" "/usr/lib/$base"; do
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pkg="$(dpkg -S "$candidate" 2>/dev/null | head -1 | cut -d: -f1 || true)"
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[ -n "$pkg" ] && break
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done
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if [ -z "$pkg" ]; then
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pkg="$(dpkg -S "$base" 2>/dev/null | head -1 | cut -d: -f1 || true)"
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fi
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if [ -n "$pkg" ]; then
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ver="$(dpkg-query -W -f='${Version}' "$pkg" 2>/dev/null || echo unknown)"
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printf '%-44s %-34s %s\n' "$base" "$pkg" "$ver" >> "$MANIFEST"
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if [ -f "/usr/share/doc/$pkg/copyright" ] && [ ! -f "$DOCDIR/$pkg/copyright" ]; then
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install -Dm644 "/usr/share/doc/$pkg/copyright" "$DOCDIR/$pkg/copyright"
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fi
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found=$((found + 1))
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else
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# Built by this job rather than installed from a package -- its licence is
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# collected separately, from its own source tree.
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printf '%-44s %-34s %s\n' "$base" "(built from source in this job)" "-" >> "$MANIFEST"
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unowned=$((unowned + 1))
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fi
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done < <(find "$APPDIR" -name '*.so*' -type f | sort)
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echo >> "$MANIFEST"
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echo "$found libraries from distribution packages, $unowned built in this job." >> "$MANIFEST"
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echo "collected copyright for $found bundled libraries ($unowned built here)"
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echo "manifest: $MANIFEST"
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