170 lines
3.8 KiB
Bash
Executable File
170 lines
3.8 KiB
Bash
Executable File
#!/bin/sh
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# Vars {{{
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readonly PROGNAME=$(basename "${0}")
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readonly NBARGS="${#}"
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## Test if DEBUG is already defined (by parent script,…)
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[ -z "${DEBUG}" ] && DEBUG=1
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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: $PROGNAME [--debug,--help]
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Try to launch the most appropriate qutebrowser binary :
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1. From venv
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2. From APT package
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3. From Git repository
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EXAMPLES :
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- Launch qutebrowser
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${PROGNAME}
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OPTIONS :
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-d,--debug
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Enable debug messages.
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--help
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Print this help message.
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EOF
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}
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# }}}
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define_vars() { # {{{
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## List of process pattern to monitor
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qutebrowser_proc_pattern="(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} : ${local_debug_message}"
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return 0
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}
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# }}}
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is_proc_running() { # {{{
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local_proc_pattern="${1}"
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local_count_proc_pattern="$(pgrep -f -- "${local_proc_pattern}" | wc -l)"
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case "${local_count_proc_pattern}" in
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0 ) ## No procs related to this pattern are running
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return_proc_running="1"
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;;
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* ) ## At least one proc seems running
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return_proc_running="0"
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;;
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esac
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## Simple debug message to valid current variables
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debug_message "is_proc_running − \
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procs running (with the pattern: ${RED}${local_proc_pattern}${COLOR_DEBUG}) on the current host: ${RED}${local_count_proc_pattern}${COLOR_DEBUG}."
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return "${return_proc_running}"
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}
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# }}}
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launch_qutebrowser() { # {{{
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# Version with user's venv
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if [ -f ~/src/qutebrowser-venv/bin/python3 ]; then
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debug_message "launch_qutebrowser − \
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Start qutebrowser from ${RED}venv${COLOR_DEBUG}."
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~/src/qutebrowser-venv/bin/python3 -m qutebrowser
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fi
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# Version from APT package
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if dpkg -l | grep -q qutebrowser ; then
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debug_message "launch_qutebrowser − \
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Start qutebrowser from ${RED}package${COLOR_DEBUG}."
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command qutebrowser
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fi
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# Version from Git repository
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if [ -f ~/repos/qutebrowser/qutebrowser.py ]; then
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debug_message "launch_qutebrowser − \
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Start qutebrowser from ${RED}Git repository${COLOR_DEBUG}."
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~/repos/qutebrowser/qutebrowser.py --backend webengine
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fi
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}
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# }}}
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main() { # {{{
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## Define all vars according the selected options
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define_vars
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## If nothing related to Qutebrowser is currently running
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### Try to start qutebrowser
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### Then exit with success
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is_proc_running "${qutebrowser_proc_pattern}" \
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|| launch_qutebrowser \
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&& exit 0
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}
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# }}}
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# Manage arguments # {{{
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## If there is argument(s)
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if [ ! "${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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-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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* ) ## 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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