Add coffin automation to pass-pick

pass/.local/bin/pass-pick

@@ -109,6 +109,9 @@ set_defaults() {
     AUTOFILL_CHAIN="${PP_AUTOENTRY_CHAIN:-$(get_config AUTOFILL_CHAIN 'username :tab password')}"
     AUTOFILL_DELAY="${PP_AUTOENTRY_DELAY:-$(get_config AUTOFILL_DELAY 30)}"
     PASS_USERNAME_FIELD="${PP_PASS_USERNAME_FIELD:-$(get_config PASS_USERNAME_FIELD 'username user login')}"
+
+    PASS_COFFIN_OPEN_TIME="${PP_PASS_COFFIN_OPEN_TIME:-$(get_config PASS_COFFIN_OPEN_TIME 0)}"
+    PASS_COFFIN_LOCATION="${PP_PASS_COFFIN_LOCATION:-$(get_config PASS_COFFIN_LOCATION)}"
 }
 
 # exit on escape pressed
@@ -311,6 +314,26 @@ entrymenu() {
     esac
 }
 
+open_coffin() {
+    ## there's a closed coffin in our directory
+    if [ -f "${PASS_COFFIN_LOCATION:-${PASSWORD_STORE_DIR:-~/.password-store}/.coffin/coffin.tar.gpg}" ]; then
+        if [ "$PASS_COFFIN_OPEN_TIME" -eq 0 ]; then
+            coffin_should_close_instantly=true
+            pass open -t 1h # we still set a maximum time limit just to hedge against failures
+        else
+            pass open -t "${PASS_COFFIN_OPEN_TIME:-3h}"
+        fi
+    fi
+}
+
+# make sure we remember to close the coffin if the program terminates
+close_coffin() {
+    if [ "$coffin_should_close_instantly" = true ]; then
+        pass close
+    fi
+}
+trap close_coffin SIGINT SIGTERM ERR EXIT
+
 main() {
     local autoentry_chain="${AUTOFILL_CHAIN}"
     local k_autofill="${KEY_AUTOFILL}"
@@ -320,6 +343,8 @@ main() {
     local k_clip_pass="${KEY_CLIP_PASS}"
     local k_submenu="${KEY_ENTRY_OPEN}"
 
+    open_coffin
+
     entry="$(
         list_passwords |
             _picker -kb-accept-entry "" \
@@ -338,29 +363,25 @@ main() {
     case "$exit_value" in
     "0" | "10")
         autofill "$entry" "$autoentry_chain"
-        exit 0
         ;;
     "11")
         clip_username "$entry"
-        exit 0
         ;;
     "12")
         clip_password "$entry"
-        exit
         ;;
     "13")
         autofill "$entry" "username"
-        exit
         ;;
     "14")
         autofill "$entry" "password"
-        exit
         ;;
     "15")
         entrymenu "$entry"
-        exit
         ;;
     esac
+
+    exit 0
 }
 
 set_defaults