96 lines
3.4 KiB
Bash
Executable File
96 lines
3.4 KiB
Bash
Executable File
#!/usr/bin/env bash
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version="@CPACK_PACKAGE_NAME@ v@CPACK_PACKAGE_VERSION@ @CPACK_AUDACITY_ARCH_LABEL@"
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export LC_ALL=C # Using `sort` a lot. Order depends on locale so override it.
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# PROBLEM: We want to check dependencies provided by the system, but `ldd`
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# looks in the current directory first so will show other package libraries.
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# SOLUTION: Copy library to temporary folder and test it there.
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function check_file()
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{
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counter=$(($(cat "$2/.counter")+1))
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echo ${counter} > "$2/.counter"
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printf >&2 "Done ${counter} of $3.\r"
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cp "$1" "$2"
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file="$(basename "$1")"
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LANG=C LD_LIBRARY_PATH="" "${APPDIR}/bin/ldd_recursive" -uniq "$2/${file}" 2>/dev/null
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rm "$2/${file}" # delete library before we test the next one
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}
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export -f check_file # make function available in Bash subprocesses
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function prep_result()
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{
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sed -n "s|$2||p" "$1" | sort -f | tee "$3" | wc -l
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}
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if ! which less >/dev/null; then
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function less() { cat "$@"; } # use `cat` if `less` is unavailable
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fi
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tmp="$(mktemp -d)"
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trap "rm -rf '${tmp}'" EXIT
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cd "${APPDIR}"
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find . -executable -type f \! -name "lib*.so*" > "${tmp}/exes.txt"
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find . -name "lib*.so*" \! -type l > "${tmp}/libs.txt"
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num_exes="$(<"${tmp}/exes.txt" xargs -n1 basename 2>/dev/null | tee "${tmp}/exes2.txt" | wc -l)"
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num_libs="$(<"${tmp}/libs.txt" xargs -n1 basename 2>/dev/null | tee "${tmp}/libs2.txt" | wc -l)"
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echo >&2 "AppImage contains ${num_exes} executables and ${num_libs} libraries."
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echo >&2 "Checking dependencies for executables and libraries..."
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include_libs="${tmp}/libs.txt"
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num_includes="$((${num_libs}+${num_exes}))"
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# Check dependencies against system. See 'check_file' function.
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echo 0 > "${tmp}/.counter"
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cat "${tmp}/exes.txt" "${include_libs}" | xargs -n1 -I '%%%' bash -c \
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'check_file "${0}" "${1}" "${2}"' "%%%" "${tmp}" "${num_includes}" \; \
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| sort | uniq > "${tmp}/deps.txt"
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echo >&2 "Processing results."
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mv "${tmp}/libs2.txt" "${tmp}/libs.txt"
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mv "${tmp}/exes2.txt" "${tmp}/exes.txt"
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# Have only checked system libraries. Now consider those in package:
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<"${tmp}/libs.txt" xargs -n1 -I '%%%' sed -i 's|^%%% => not found$|%%% => package|' "${tmp}/deps.txt"
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<"${tmp}/libs.txt" xargs -n1 -I '%%%' sed -i 's|%%%$|%%% => both|' "${tmp}/deps.txt"
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# Remaining dependencies must be system:
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sed -ri 's/^(.*[^(not found|package|both)])$/\1 => system/' "${tmp}/deps.txt"
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num_package=$(prep_result "${tmp}/deps.txt" ' => package$' "${tmp}/package.txt")
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num_system=$(prep_result "${tmp}/deps.txt" ' => system$' "${tmp}/system.txt")
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num_both=$(prep_result "${tmp}/deps.txt" ' => both$' "${tmp}/both.txt")
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num_neither=$(prep_result "${tmp}/deps.txt" ' => not found$' "${tmp}/neither.txt")
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# Any libraries included in package that don't appear in 'deps.txt' **might**
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# not actually be needed. Careful: they might be needed by a plugin!
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num_extra=$(<"${tmp}/libs.txt" xargs -n1 -I '%%%' sh -c \
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"grep -q '%%%' \"${tmp}/deps.txt\" || echo '%%%'" \
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| sort -f | tee "${tmp}/extra.txt" | wc -l)
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less <<EOF
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# Package: ${version}
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# System: $(uname -srmo)
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$(cat /etc/*release*)
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# In package only: ${num_package}
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$(cat "${tmp}/package.txt")
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# System only: ${num_system}
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$(cat "${tmp}/system.txt")
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# Provided by both: ${num_both}
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$(cat "${tmp}/both.txt")
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# Provided by neither: ${num_neither}
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$(cat "${tmp}/neither.txt")
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# Extra: ${num_extra} (In package but unlinked. Possibly needed by plugins.)
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$(cat "${tmp}/extra.txt")
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EOF
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