[gopass] Add reading options from config file

File can be used to alter the functions of rofi-gopass.

gopass/.local/bin/rofi-gopass

@@ -26,6 +26,8 @@
 # default key bindings
 # Automatically enter username and password
 # KEY_AUTOFILL="Return"
+# Open entry
+# KEY_OPEN_ENTRY
 # Automatically enter username only
 # KEY_FILL_USER="Alt+u"
 # Add username to clipboard
@@ -47,6 +49,9 @@
 # Will go through names in descending precedence
 # GOPASS_USERNAME_FIELD="username user login"
 
+# The location of the rofi-gopass config file
+# ROFI_PASS_CONFIGURATION_FILE="~/.config/rofi-gopass"
+
 # rofi wrapper. Add custom settings here.
 _rofi() {
   # TODO add check for dmenu
@@ -54,6 +59,25 @@ _rofi() {
   rofi -dmenu -no-auto-select -i "$@" -p "Entry"
 }
 
+# read config file
+get_config_file() {
+  local locations=("$ROFI_PASS_CONFIGURATION_FILE"
+    "${XDG_CONFIG_HOME:-$HOME/.config}/rofi-gopass/rofi-gopass.conf"
+    "$HOME/.rofi-gopass.conf"
+    "/etc/rofi-gopass.conf")
+
+  # return the first config file with a valid path
+  for config in "${locations[@]}"; do
+    if [[ -n "$config" && -f "$config" ]]; then
+      # we only source config values, don't complain
+      # shellcheck disable=SC1090
+      source "$config"
+      echo "sourced config"
+      return
+    fi
+  done
+}
+
 # exit on escape pressed
 # rofi returns exit code 1 on esc
 exit_check() {
@@ -198,7 +222,7 @@ main() {
   local k_clip_user="${KEY_CLIP_USER:-Ctrl+Alt+u}"
   local k_fill_pass="${KEY_FILL_PASS:-Alt+p}"
   local k_clip_pass="${KEY_CLIP_PASS:-Ctrl+Alt+p}"
-  local k_submenu="${KEY_CLIP_PASS:-Alt+Return}"
+  local k_submenu="${KEY_OPEN_ENTRY:-Alt+Return}"
 
   entry="$(
     list_passwords |
@@ -242,4 +266,5 @@ main() {
   esac
 }
 
+get_config_file
 main