Add install scripts for local development (#616)

scripts/inject-path.sh

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+#!/usr/bin/env bash
+# Modifies (or cleans) local bin/* files to point to the local development
+# modules by injecting a corresponding `sys.path`.
+
+case "$1" in
+    inject)
+        inject_path="${2:-$PWD}"
+        echo "inject import path '$inject_path' in bin file sources"
+        sed -i "s#^import sys\$#import sys; sys.path.append(\"$PWD\")#" bin/input-remapper*
+    ;;
+    clean)
+        echo "remove extra import path in bin file sources"
+        sed -i "s#^import sys; sys\\.path\\.append.*#import sys#" bin/input-remapper*
+    ;;
+    *) echo "usage inject|clean [PATH]"; exit 1;;
+esac
+
+echo "injection result:"
+grep --color -E 'import sys$|import sys;.*' bin/*
+echo "injection finished"

scripts/local-install.sh

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+#!/usr/bin/env bash
+# Allows to install the app and services so that they use the local development
+# modules. Includes support for modules installed in the USER's virtual env.
+
+if test -n "$VIRTUAL_ENV"; then
+    echo "running in virtual env '$VIRTUAL_ENV'"
+    site_packages="$(find "$VIRTUAL_ENV" -name site-packages)"
+    echo "temporarily ingesting site-packages path '$site_packages' into binaries"
+    scripts/inject-path.sh inject "$site_packages"
+fi
+
+echo "stopping service"
+sudo systemctl stop    input-remapper.service
+sudo systemctl disable input-remapper.service
+
+echo "installing local package"
+sudo pip install -q .
+
+if test -n "$VIRTUAL_ENV"; then
+    echo "removing temporary site-packages path from binaries"
+    scripts/inject-path.sh clean
+fi
+
+echo "updating applications database"
+sudo update-desktop-database /usr/share/applications
+
+echo "starting service"
+sudo systemctl enable input-remapper.service
+sudo systemctl start  input-remapper.service
+input-remapper-control --command autoload
+sudo systemctl status input-remapper.service | cat

scripts/system-uninstall.sh

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+#!/usr/bin/env bash
+
+echo "disabling service"
+sudo systemctl stop    input-remapper.service 2> /dev/null
+sudo systemctl disable input-remapper.service 2> /dev/null
+
+echo "uninstalling package"
+pip      uninstall -q -y input-remapper 2> /dev/null
+sudo pip uninstall -q -y input-remapper 2> /dev/null
+
+echo "cleaning up binaries"
+sudo rm -rf /usr/bin/input-remapper-gtk
+sudo rm -rf /usr/bin/input-remapper-service
+sudo rm -rf /usr/bin/input-remapper-reader-service
+sudo rm -rf /usr/bin/input-remapper-control
+
+echo "cleaning up share"
+sudo rm -rf /usr/share/input-remapper
+sudo rm -rf /usr/share/applications/input-remapper-gtk.desktop
+sudo rm -rf /usr/lib/systemd/system/input-remapper.service
+
+echo "cleaning up config and startup files"
+sudo rm -rf /etc/dbus-1/system.d/inputremapper.Control.conf 
+sudo rm -rf /etc/xdg/autostart/input-remapper-autoload.desktop 
+sudo rm -rf /usr/lib/udev/rules.d/99-input-remapper.rules     
+
+echo "checking for remaining files"
+files="$((
+    find /usr         -name 'input*remapper'
+    find /etc         -name 'input*remapper'
+    find $HOME/.local -name 'input*remapper'
+) 2> /dev/null)" 
+
+if test -n "$files"; then
+    echo -e "files remaining:\n$files"
+    echo "uninstall incomplete"
+    exit 1
+fi
+
+echo "uninstall finished"