From 8679335f19b47a9e01a4ad78d0a3fb72c1d758e7 Mon Sep 17 00:00:00 2001
From: Gardouille <gardouille@gmail.com>
Date: Wed, 2 Dec 2020 15:48:38 +0100
Subject: [PATCH] Can choose Qutebrowser bin from argument

---
 qb | 99 +++++++++++++++++++++++++++++++++++++++++++++++++-------------
 1 file changed, 78 insertions(+), 21 deletions(-)

diff --git a/qb b/qb
index d5f086a..6b57738 100755
--- a/qb
+++ b/qb
@@ -15,7 +15,7 @@ readonly COLOR_DEBUG="${PURPLE}"
 usage() {                                                       # {{{
 
 	cat <<- EOF
-usage: $PROGNAME [--debug,--help]
+usage: $PROGNAME [--debug,--help] [--git,--package,--venv]
 
 Try to launch the most appropriate qutebrowser binary :
   1. From venv
@@ -30,9 +30,18 @@ OPTIONS :
     -d,--debug
         Enable debug messages.
 
+    --git
+        Force to use QuteBrowser from Git repository.
+
     --help
         Print this help message.
 
+    --package
+        Force to use QuteBrowser from package.
+
+    --venv
+        Force to use QuteBrowser from Python Virtual ENVironment.
+
 EOF
 
 }
@@ -42,6 +51,9 @@ define_vars() {                                                 # {{{
 	## List of process pattern to monitor
 	qutebrowser_proc_pattern="(qutebrowser)"
 
+	## Use Qutebrowser from Python Virtual Environment by default
+	QB_VENV_MODE="0"
+
 	## Store selected content to a temp file
 	choice_temp_file="$(mktemp -t ${PROGNAME}-XXXXXX.tmp)"
 
@@ -80,28 +92,56 @@ procs running (with the pattern: ${RED}${local_proc_pattern}${COLOR_DEBUG}) on t
 
 }
 # }}}
-launch_qutebrowser() {                                          # {{{
+get_qutebrowser_bin() {                                         # {{{
 
-	# Version with user's venv
-	if [ -f ~/src/qutebrowser-venv/bin/python3 ]; then
-		debug_message "launch_qutebrowser − \
-Start qutebrowser from ${RED}venv${COLOR_DEBUG}."
-		~/src/qutebrowser-venv/bin/python3 -m qutebrowser
-	fi
+	local_get_qutebrowser_bin_return="1"
 
-	# Version from APT package
-	if dpkg -l | grep -q qutebrowser ; then
-		debug_message "launch_qutebrowser − \
-Start qutebrowser from ${RED}package${COLOR_DEBUG}."
-		command qutebrowser
+	## First try venv {{{
+	if [ "${QB_VENV_MODE}" -eq "0" ] && [ -f ~/src/qutebrowser-venv/bin/python3 ]; then
+		debug_message "get_qutebrowser_bin − \
+Qutebrowser from ${RED}venv${COLOR_DEBUG} can be used."
+		QUTEBROWSER_BIN="${HOME}/src/qutebrowser-venv/bin/python3 -m qutebrowser"
+		local_get_qutebrowser_bin_return="0"
+		### Be sure to skip other MODE if not already defined
+		[ -z "${QB_PACKAGE_MODE}" ] && QB_PACKAGE_MODE="1"
+		[ -z "${QB_GIT_MODE}" ] && QB_GIT_MODE="1"
+	else
+		debug_message "get_qutebrowser_bin − \
+Qutebrowser from ${RED}venv${COLOR_DEBUG} not selected or can't be used."
+		### Be sure to test package MODE
+		QB_PACKAGE_MODE="0"
 	fi
+	## }}}
 
-	# Version from Git repository
-	if [ -f ~/repos/qutebrowser/qutebrowser.py ]; then
-		debug_message "launch_qutebrowser − \
-Start qutebrowser from ${RED}Git repository${COLOR_DEBUG}."
-		~/repos/qutebrowser/qutebrowser.py --backend webengine
+	## Then try package {{{
+	if [ "${QB_PACKAGE_MODE}" -eq "0" ] && dpkg -l | grep -q qutebrowser ; then
+		debug_message "get_qutebrowser_bin − \
+Qutebrowser from ${RED}package${COLOR_DEBUG} will be used."
+		QUTEBROWSER_BIN="$(command qutebrowser)"
+		local_get_qutebrowser_bin_return="0"
+		### Be sure to skip other MODE if not already defined
+		[ -z "${QB_GIT_MODE}" ] && QB_GIT_MODE="1"
+	else
+		debug_message "get_qutebrowser_bin − \
+Qutebrowser from ${RED}package${COLOR_DEBUG} not selected or can't be used."
+		### Allow to try last MODE if not already defined
+		[ -z "${QB_GIT_MODE}" ] && QB_GIT_MODE="0"
 	fi
+	## }}}
+
+	## Finally, try git repository {{{
+	if [ "${QB_GIT_MODE}" -eq "0" ] && [ -f ~/repos/qutebrowser/qutebrowser.py ]; then
+		QUTEBROWSER_BIN="${HOME}/repos/qutebrowser/qutebrowser.py --backend webengine"
+		debug_message "get_qutebrowser_bin − \
+Qutebrowser from ${RED}Git repository${COLOR_DEBUG} will finally be used."
+		local_get_qutebrowser_bin_return="0"
+	else
+		debug_message "get_qutebrowser_bin − \
+Qutebrowser from ${RED}git repository${COLOR_DEBUG} not selected or can't be used."
+	fi
+	## }}}
+
+	return "${local_get_qutebrowser_bin_return}"
 
 }
 # }}}
@@ -168,14 +208,22 @@ Not yet managed."
 
 main() {                                                        # {{{
 
-	## Define all vars according the selected options
+	## Define all vars
 	define_vars
 
+	## Try to get a working qutebrowser binary
+	### Or exit with error
+	get_qutebrowser_bin \
+		|| debug_message "main − \
+Can't find a working qutebrowser binary." \
+		|| exit 2
+
+
 		## If nothing related to Qutebrowser is currently running
 		### Try to start qutebrowser
 		### Then exit with success
 	is_proc_running "${qutebrowser_proc_pattern}" \
-		|| launch_qutebrowser \
+		|| "${QUTEBROWSER_BIN}" \
 		|| exit 0
 
 	## Manage existing instance
@@ -195,15 +243,24 @@ if [ ! "${NBARGS}" -eq "0" ]; then
 	while printf -- '%s' "${1}" | grep -q -E -- "^-+"; do
 
 	case "${1}" in
-		-d|--debug )            ## Enable debug mode
+		-d|--debug )           ## Enable debug mode
 			## Enable DEBUG
 			DEBUG="0"
 			;;
+		--git )                ## Use Git repo
+			QB_GIT_MODE="0"
+			;;
 		-h|--help )            ## help
 			usage
 			## Exit after help informations
 			exit 0
 			;;
+		--package )            ## Use package
+			QB_PACKAGE_MODE="0"
+			;;
+		--venv )               ## Use Python venv
+			QB_VENV_MODE="0"
+			;;
 		* )                    ## unknow option
 			printf '%b\n' "${RED}Invalid option: ${1}${RESET}"
 			printf '%b\n' "---"