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#!/usr/bin/env bash
# The AppImage runtime sets some special environment variables. We provide
# default values here in case the user tries to run this script outside an
# AppImage where the variables would otherwise be undefined.
if [[ ! "${APPIMAGE}" || ! "${APPDIR}" ]]; then
export APPIMAGE="$(readlink -f "${0}")"
export APPDIR="$(dirname "${APPIMAGE}")"
fi
# Check system libraries and load a fallback if necessary
fallback_libs="" # start empty
for fb_dir in "${APPDIR}/fallback"/*; do
if [[ -d "${fb_dir}" ]]; then
library="${fb_dir##*/}" # library named like directory
if ! "${APPDIR}/bin/findlib" "${library}" >&2; then
echo "${APPIMAGE}: Using fallback for library '${library}'" >&2
fallback_libs="${fallback_libs}:${fb_dir}" # append path
fi
fi
done
export LD_LIBRARY_PATH="${APPDIR}/lib:${LD_LIBRARY_PATH}${fallback_libs}"
export AUDACITY_PATH="${AUDACITY_PATH}:${APPDIR}/share/audacity"
export AUDACITY_MODULES_PATH="${AUDACITY_MODULES_PATH}:${APPDIR}/lib/modules"
function help()
{
# Normal audacity help
"${APPDIR}/bin/audacity" --help
# Special options handled by this script
cat >&2 <<EOF
--readme display README
--license display LICENSE
--man[ual|page] display audacity(1) manual page
--check-dependencies check library dependency fulfillment (developer tool)
EOF
# Blank line then special options handled by the AppImage runtime
"${APPIMAGE}" --appimage-help
}
# Intercept command line arguments
case "$1" in
-h|--help )
help
;;
--readme )
exec less "${APPDIR}/share/doc/audacity/README.md"
;;
--license )
exec less "${APPDIR}/share/doc/audacity/LICENSE.txt"
;;
--man|--manual|--manpage )
exec man "${APPDIR}/share/man/man1/audacity.1"
;;
--check-depends|--check-dependencies )
exec bash "${APPDIR}/bin/check_dependencies"
;;
* )
# Other arguments go to Audacity
exec "${APPDIR}/bin/audacity" "$@"
;;
esac
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