213 lines
5.2 KiB
Bash
Executable File
213 lines
5.2 KiB
Bash
Executable File
#!/bin/sh
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# Vars {{{
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readonly PROGNAME=$(basename "${0}")
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readonly PROGDIR=$(readlink -m $(dirname "${0}"))
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readonly ARGS="${*}"
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readonly NBARGS="${#}"
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[ -z "${DEBUG}" ] && DEBUG=0
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## Export DEBUG for sub-script
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export DEBUG
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## Colors
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readonly PURPLE='\033[1;35m'
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readonly RED='\033[0;31m'
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readonly RESET='\033[0m'
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readonly COLOR_DEBUG="${PURPLE}"
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# }}}
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usage() { # {{{
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cat <<- EOF
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usage: $PROGNAME [--debug,--help] [--git,--package,--venv]
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Try to launch the most appropriate qutebrowser binary :
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1. From venv
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2. From APT package
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3. From Git repository
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EXAMPLES :
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- Launch qutebrowser
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${PROGNAME}
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OPTIONS :
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-d,--debug
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Enable debug messages.
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--git
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Force to use QuteBrowser from Git repository.
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--help
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Print this help message.
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--package
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Force to use QuteBrowser from package.
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--venv
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Force to use QuteBrowser from Python Virtual ENVironment.
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EOF
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}
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# }}}
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define_vars() { # {{{
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## Use Qutebrowser from Python Virtual Environment by default
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QB_VENV_MODE="0"
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## Qutebrowser possibles paths
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QB_VENV_PYTHON_PATH="${HOME}/src/qutebrowser-venv/bin/python3"
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QB_GIT_REPOSITORY="${HOME}/repos/qutebrowser"
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}
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# }}}
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debug_message() { # {{{
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local_debug_message="${1}"
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## Print message if DEBUG is enable (=0)
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[ "${DEBUG}" -eq "0" ] && printf '\e[1;35m%-6b\e[m\n' "DEBUG − ${PROGNAME} : ${local_debug_message}"
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return 0
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}
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# }}}
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error_message() { # {{{
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local_error_message="${1}"
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local_error_code="${2}"
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## Print message if DEBUG is enable (=0)
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[ "${DEBUG}" -eq "0" ] && printf '%b\n' "ERROR − ${PROGNAME} : ${RED}${local_error_message}${RESET}"
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exit "${local_error_code:=66}"
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}
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# }}}
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get_qutebrowser_bin() { # {{{
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return_get_qutebrowser_bin="1"
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## First try venv {{{
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if [ "${QB_VENV_MODE}" -eq "0" ] && [ -f "${QB_VENV_PYTHON_PATH}" ]; then
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debug_message "get_qutebrowser_bin − \
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Qutebrowser from ${RED}venv${COLOR_DEBUG} can be used."
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QUTEBROWSER_BIN="${QB_VENV_PYTHON_PATH} -m qutebrowser"
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return_get_qutebrowser_bin="0"
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### Be sure to skip other MODE if not already defined
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[ -z "${QB_PACKAGE_MODE}" ] && QB_PACKAGE_MODE="1"
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[ -z "${QB_GIT_MODE}" ] && QB_GIT_MODE="1"
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else
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debug_message "get_qutebrowser_bin − \
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Qutebrowser from ${RED}venv${COLOR_DEBUG} not selected or can't be used."
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### Be sure to test package MODE
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QB_PACKAGE_MODE="0"
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fi
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## }}}
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## Then try package {{{
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if [ "${QB_PACKAGE_MODE}" -eq "0" ] && dpkg -l | grep -q qutebrowser ; then
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debug_message "get_qutebrowser_bin − \
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Qutebrowser from ${RED}package${COLOR_DEBUG} will be used."
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QUTEBROWSER_BIN="$(command qutebrowser)"
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return_get_qutebrowser_bin="0"
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### Be sure to skip other MODE if not already defined
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[ -z "${QB_GIT_MODE}" ] && QB_GIT_MODE="1"
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else
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debug_message "get_qutebrowser_bin − \
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Qutebrowser from ${RED}package${COLOR_DEBUG} not selected or can't be used."
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### Allow to try last MODE if not already defined
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[ -z "${QB_GIT_MODE}" ] && QB_GIT_MODE="0"
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fi
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## }}}
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## Finally, try git repository {{{
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if [ "${QB_GIT_MODE}" -eq "0" ] && [ -f "${QB_GIT_REPOSITORY}/qutebrowser.py" ]; then
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QUTEBROWSER_BIN="${QB_GIT_REPOSITORY}/qutebrowser.py --backend webengine"
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debug_message "get_qutebrowser_bin − \
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Qutebrowser from ${RED}Git repository${COLOR_DEBUG} will finally be used."
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return_get_qutebrowser_bin="0"
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else
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debug_message "get_qutebrowser_bin − \
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Qutebrowser from ${RED}git repository${COLOR_DEBUG} not selected or can't be used."
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fi
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## }}}
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return "${return_get_qutebrowser_bin}"
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}
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# }}}
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main() { # {{{
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## Define all vars
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define_vars
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## Try to get a working qutebrowser binary
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### Or exit with error message and code 1
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get_qutebrowser_bin \
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|| error_message "Can't find a working qutebrowser binary." "1"
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## Open Qutebrowser (with arguments)
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### And exit
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sh -c "${QUTEBROWSER_BIN} ${ARGS}" \
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exit 0
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}
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# }}}
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# Manage arguments # {{{
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## If there is argument(s)
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if [ ! "${NBARGS}" -eq "0" ]; then
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manage_arg="0"
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# Parse all options (start with a "-") one by one
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while printf -- '%s' "${1}" | grep -q -E -- "^-+"; do
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case "${1}" in
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-d|--debug ) ## Enable debug mode
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## Enable DEBUG
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DEBUG="0"
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;;
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--git ) ## Use Git repo
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QB_GIT_MODE="0"
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;;
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-h|--help ) ## help
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usage
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## Exit after help informations
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exit 0
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;;
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--package ) ## Use package
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QB_PACKAGE_MODE="0"
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;;
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--venv ) ## Use Python venv
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QB_VENV_MODE="0"
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;;
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* ) ## unknow option
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printf '%b\n' "${RED}Invalid option: ${1}${RESET}"
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printf '%b\n' "---"
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usage
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exit 1
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;;
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esac
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debug_message "Arguments management − \
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${RED}${1}${COLOR_DEBUG} option managed."
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## Move to the next argument
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shift
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manage_arg=$((manage_arg+1))
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done
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debug_message "Arguments management − \
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${RED}${manage_arg}${COLOR_DEBUG} argument(s) successfully managed."
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else
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debug_message "Arguments management − \
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No arguments/options to manage."
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fi
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# }}}
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main
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exit 255
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