From 21c10f50ec46f20fc518ff444d39ead205d04eb6 Mon Sep 17 00:00:00 2001
From: Ralph Ronnquist <ralph.ronnquist@gmail.com>
Date: Mon, 30 May 2022 10:06:43 +1000
Subject: [PATCH] use EDITOR when defined

---
 enitool.lsp | 24 ++++++++++++++----------
 1 file changed, 14 insertions(+), 10 deletions(-)

diff --git a/enitool.lsp b/enitool.lsp
index 0efd797..2511142 100755
--- a/enitool.lsp
+++ b/enitool.lsp
@@ -20,6 +20,9 @@
  ;; regex to identify block starters
  'ENI-HEAD (format "^\\s*#?\\s*(%s)" (join ENI-KEY "|"))
  'ENI-COMMENT "^\\s*#"
+ 'PROC (if (exec (format "command -v %s" (or (env "EDITOR") "nano"))) ($it 0)
+         "/bin/nano")
+ 'SUDO (if (exec "command -v sudo") ($it 0) "")
  )
 
 (define (is-eni-key PAT S)
@@ -72,10 +75,8 @@
 (setf PATH '(( 0 "/etc/network/interfaces" )) )
 
 ; Edit a file
-(define (edit-file I FILE SUDO)
-  (let ((PROC (if SUDO "/usr/bin/sudo /bin/nano" "/bin/nano")))
-    (wait-pid (process (format "%s -F -J 75 -I -l +%d %s" PROC (int I) FILE)))
-    ))
+(define (edit-file I FILE)
+  (wait-pid (process (format "%s %s +%d %s" SUDO PROC (int I) FILE))))
 
 (define (ensure-newline TXT)
   (if (empty? TXT) "" (ends-with TXT "\n") TXT (string TXT "\n")))
@@ -86,12 +87,12 @@
     (write-file TXT (string (join (0 B DATA) "\n" true)
                             (ensure-newline (read-file TXT))
                             (join (E DATA) "\n")))
-    (exec (format "sudo mv %s %s" TXT FILE))
+    (exec (format "%s mv %s %s" SUDO TXT FILE))
     ))
 
 (define (key-command-select I FILE) ; PATH
   (letn ((BLOCK (find-block (- (int I) 1) FILE))
-         (TMP "/tmp/enitool.conf")
+         (TMP "/tmp/enitool/tmp.conf")
          (HEAD (BLOCK (- (BLOCK 1) (BLOCK 0) -3)))
          (TAG (or (and (regex "^#?(\\w*) (.*)" HEAD 0) $1) "#"))
          (VALUE $2))
@@ -107,14 +108,14 @@
 
 (define (delete-block-maybe I FILE)
   (let ((BLOCK (find-block (- (int I) 1) FILE))
-        (TMP "/tmp/enitool.conf"))
+        (TMP "/tmp/enitool/tmp.conf"))
     (when (= (3 BLOCK) '(""))
-      (exec (format "sudo ed %s" FILE)
+      (exec (format "%s ed %s" SUDO FILE)
             (format "%dd\nw\n" (+ 1 (BLOCK 0)))))))
 
 (define (toggle-commenting I FILE)
   (let ((BLOCK (find-block (- (int I) 1) FILE))
-        (TMP "/tmp/enitool.conf"))
+        (TMP "/tmp/enitool/tmp.conf"))
     (letn ((H (- (BLOCK 1) (BLOCK 0)))
            (TXT (3 BLOCK))
            (toggle (if (starts-with (TXT H) "#")
@@ -133,13 +134,16 @@
      ((member $2 '("KEY_RIGHT" "RETURN")) (key-command-select $1 FILE))
      ((= $2 "d") (delete-block-maybe $1 FILE))
      ((= $2 "#") (toggle-commenting $1 FILE))
-     ((= $2 "e") (edit-file $1 FILE "sudo"))
+     ((= $2 "e") (edit-file $1 FILE SUDO))
      )))
 
 (define (iselect POS FILE)
   (exec (format "iselect -n '%s' -t '%s' -a -P -K '-k#' -kd -ke -p %d < %s"
                 "enitool" FILE (int POS) FILE)))
 
+(change-dir "/etc/network")
+(wait-pid (process (format "%s mkdir -m 777 -p /tmp/enitool" SUDO)))
+
 (while PATH
   (let ((SEL (apply iselect (PATH 0))) (FILE (PATH 0 1)))
     (if SEL (command-dispatch (SEL 0) FILE)
-- 
2.39.2