470 lines
13 KiB
Bash
Executable File
470 lines
13 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: $PROGNAME [--debug,--help] [--git,--package,--venv]
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Try to launch the most appropriate qutebrowser binary :
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1. From venv
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2. From APT package
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3. From Git repository
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EXAMPLES :
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- Launch qutebrowser
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${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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## List of process pattern to monitor
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qutebrowser_proc_pattern="(qutebrowser)"
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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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## Store selected content to a temp file
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choice_temp_file="$(mktemp -t ${PROGNAME}-XXXXXX.tmp)"
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## Variables to get Qutebrowser currents buffers
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QUTEBROWSER_SESSION_FILE="/tmp/qutebrowser_buffers_zsbd"
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QUTEBROWSER_SOCKET_FILE="${XDG_RUNTIME_DIR}/qutebrowser/ipc-$(echo -n "$USER" | md5sum | cut -d' ' -f1)"
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QUTEBROWSER_GLOBAL_CONTENT="/tmp/qutebrowser_global_content"
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rm -f -- "${QUTEBROWSER_GLOBAL_CONTENT}" ; touch "${QUTEBROWSER_GLOBAL_CONTENT}"
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## Variables to get Qutebrowser *marks from current user
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QUTEBROWSER_QUICKMARK_FILE="${HOME}/.config/qutebrowser/quickmarks"
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QUTEBROWSER_BOOKMARK_FILE="${HOME}/.config/qutebrowser/bookmarks/urls"
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## Default window pattern to search
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QUTEBROWSER_WINDOW_TITLE="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 "${return_get_qutebrowser_bin}"
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}
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# }}}
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is_proc_running() { # {{{
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local_proc_pattern="${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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start_qutebrowser() { # {{{
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return_start_qutebrowser="1"
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if is_proc_running "${qutebrowser_proc_pattern}"; then
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debug_message "start_qutebrowser − \
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Qutebrowser is already started."
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else
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debug_message "start_qutebrowser − \
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No existing instance of Qutebrowser. Starting…" >> /tmp/qb.log
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sh -c "${QUTEBROWSER_BIN}"
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return_start_qutebrowser="0"
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fi
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return "${return_start_qutebrowser}"
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}
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# }}}
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focus_to_qutebrowser() { # {{{
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## Get desktop and window ID of the first "qutebrowser" window
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qutebrowser_desktop_id=$(command wmctrl -l | grep --max-count=1 -E -- "${QUTEBROWSER_WINDOW_TITLE}" | cut -d" " -f3)
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qutebrowser_window_id=$(command wmctrl -l | grep --max-count=1 -E -- "${QUTEBROWSER_WINDOW_TITLE}" | cut -d" " -f1)
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debug_message "focus_to_qutebrowser − \
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Qutebrowser window ID : ${RED}${qutebrowser_window_id}${COLOR_DEBUG} on desktop ID : ${RED}${qutebrowser_desktop_id}${COLOR_DEBUG}."
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### Switch to Qutebrowser desktop
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command wmctrl -s "${qutebrowser_desktop_id}"
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## If HerstluftWM is available
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if [ "$(command -v herbstclient)" ]; then
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debug_message "focus_to_qutebrowser − \
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Focus with herbstclient."
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### Focus to the window id
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herbstclient jumpto "${qutebrowser_window_id}"
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else
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debug_message "focus_to_qutebrowser − \
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Focus with wmctrl."
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### Switch expected window
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command wmctrl -i -R "${qutebrowser_window_id}"
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fi
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}
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# }}}
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get_qutebrowser_buffers() { # {{{
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## Clear previous buffers list
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[ -f "${QUTEBROWSER_SESSION_FILE}" ] && rm -f -- "${QUTEBROWSER_SESSION_FILE}"
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## Run save_buffers.py in Qutebrowser
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echo '{"args":[":save-window-and-buffers"], "target_arg":"", "protocol_version":1}' |\
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socat - UNIX-CONNECT:"$QUTEBROWSER_SOCKET_FILE"
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## Wait to get the buffers list
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i="0"
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while [ "${i}" -lt "5" ]; do
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if [ -f "${QUTEBROWSER_SESSION_FILE}" ]; then
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break
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else
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sleep 0.01
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fi
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i=$((i+1))
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done
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sed "s/^/ff /g" "${QUTEBROWSER_SESSION_FILE}" >> "${QUTEBROWSER_GLOBAL_CONTENT}"
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}
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# }}}
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get_qutebrowser_content() { # {{{
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[ -S "${QUTEBROWSER_SOCKET_FILE}" ] && get_qutebrowser_buffers
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[ -f "${QUTEBROWSER_QUICKMARK_FILE}" ] && sed "s/^/qq /g" "${QUTEBROWSER_QUICKMARK_FILE}" >> "${QUTEBROWSER_GLOBAL_CONTENT}"
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[ -f "${QUTEBROWSER_BOOKMARK_FILE}" ] && sed "s/^/bb /g" "${QUTEBROWSER_BOOKMARK_FILE}" >> "${QUTEBROWSER_GLOBAL_CONTENT}"
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}
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# }}}
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search_qb_content() { # {{{
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get_qutebrowser_content
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debug_message "search_qb_content − \
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Search in Qutebrowser's content ${QUTEBROWSER_GLOBAL_CONTENT} file."
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st -g 90x30+0+540 -n QuteBrowser -t QuteBrowser -e sh -c "cat ${QUTEBROWSER_GLOBAL_CONTENT} | fzf +m > ${choice_temp_file}"
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if [ -s "${choice_temp_file}" ]; then
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debug_message "search_qb_content − \
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Store results in ${choice_temp_file}."
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return_search_qb_content="0"
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else
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debug_message "search_qb_content − \
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Search aborded or can't find matching bookmark."
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return_search_qb_content="1"
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fi
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return "${return_search_qb_content}"
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}
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# }}}
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open_in_qutebrowser() { # {{{
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debug_message "open_in_qutebrowser − \
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Try to open ${RED}${url}${COLOR_DEBUG}"
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sh -c "${QUTEBROWSER_BIN} ${url}"
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}
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# }}}
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is_url_in_buffer() { # {{{
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if grep -q -E -- "${url}" "${QUTEBROWSER_SESSION_FILE}"; then
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debug_message "is_url_in_buffer − \
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A buffer is already opened with this URL."
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return_is_url_in_buffer="0"
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buffer_id=$(grep -E -- "${url}" "${QUTEBROWSER_SESSION_FILE}" | cut -d" " -f1)
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buffer_title=$(grep -E -- "${url}" "${QUTEBROWSER_SESSION_FILE}" | sed "s;${buffer_id} \(.*\) PyQt5.QtCore.QUrl.*;\1;")
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switch_qutebrowser_buffer
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else
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debug_message "is_url_in_buffer − \
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No existent buffer with this URL."
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return_is_url_in_buffer="1"
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fi
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return "${return_is_url_in_buffer}"
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}
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# }}}
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goto_url() { # {{{
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debug_message "goto_url − \
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Manage ${RED}${url}${COLOR_DEBUG} URL"
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## Go to an existent buffer with the expected URL
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### Or open the URL in a new buffer
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is_url_in_buffer \
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|| open_in_qutebrowser
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}
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# }}}
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switch_qutebrowser_buffer() { # {{{
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debug_message "switch_qutebrowser_buffer − \
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Try to switch to buffer id: ${buffer_id}."
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echo "{\"args\":[\":buffer ${buffer_id}\"], \"target_arg\":\"\", \"protocol_version\":1}" |\
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socat - UNIX-CONNECT:"${QUTEBROWSER_SOCKET_FILE}"
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## Ensure to focus on expected buffer
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QUTEBROWSER_WINDOW_TITLE="${buffer_title}"
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}
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# }}}
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get_url() { # {{{
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local_content=$(cat "${choice_temp_file}")
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return_get_url="1"
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debug_message "get_url − \
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Try to manage ${RED}$(cat "${choice_temp_file}")${COLOR_DEBUG}."
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case "${local_content}" in
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bb*http* ) ## Classic bookmark
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url=$(printf "%s" "${local_content}" | cut -d" " -f2)
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return_get_url="0"
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debug_message "get_url − \
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URL from classic bookmark ${RED}${url}${COLOR_DEBUG}."
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goto_url
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;;
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qq*http* ) ## Quickmark
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url=$(printf "%s" "${local_content}" | cut -d" " -f3)
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return_get_url="0"
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debug_message "get_url − \
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URL from quickmark ${RED}${url}${COLOR_DEBUG}."
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goto_url
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;;
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ff* ) ## Buffer
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buffer_id=$(printf "%s" "${local_content}" | cut -d" " -f2)
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buffer_title=$(printf "%s" "${local_content}" | sed "s;ff ${buffer_id} \(.*\) PyQt5.QtCore.QUrl.*;\1;")
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return_get_url="0"
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debug_message "get_url − \
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Buffer title from Qutebrowser: ${RED}${buffer_title}${COLOR_DEBUG}."
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switch_qutebrowser_buffer
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;;
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* )
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debug_message "get_url − \
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Content not yet managed."
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;;
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esac
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return "${return_get_url}"
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}
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# }}}
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goto_existing_qutebrowser() { # {{{
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debug_message "goto_existing_qutebrowser − \
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Try to open content in existing instance."
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## Try to open Qutebrowser content
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search_qb_content \
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&& get_url
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## Be sure to focus to the expected buffer
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focus_to_qutebrowser
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return 0
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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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## Start Qutebrowser if needed
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### And exit
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start_qutebrowser \
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&& exit 0
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## Manage existing instance
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goto_existing_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 "${1}" in
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-d|--debug ) ## Enable debug mode
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## Enable DEBUG
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DEBUG="0"
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;;
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--git ) ## Use Git repo
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QB_GIT_MODE="0"
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;;
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-h|--help ) ## help
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usage
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## Exit after help informations
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exit 0
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;;
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--package ) ## Use package
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QB_PACKAGE_MODE="0"
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;;
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--venv ) ## Use Python venv
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QB_VENV_MODE="0"
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;;
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* ) ## unknow option
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printf '%b\n' "${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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