From 98e75bf8e2714ceb5877b4e8885247a7370cd068 Mon Sep 17 00:00:00 2001
From: "Guillermo J. Rozas" <edu/mit/csail/zurich/gjr>
Date: Wed, 30 Sep 1992 02:27:55 +0000
Subject: [PATCH] Change read-buffer-interactive to invoke
 find-file-not-found-hooks if the file is not found (but not if the file is
 not readable).

Previously it was not being invoked at all because of the way that it
and read-buffer work.
---
 v7/src/edwin/filcom.scm | 53 ++++++++++++++++++++---------------------
 1 file changed, 26 insertions(+), 27 deletions(-)

diff --git a/v7/src/edwin/filcom.scm b/v7/src/edwin/filcom.scm
index 512d892f7..aeeea525b 100644
--- a/v7/src/edwin/filcom.scm
+++ b/v7/src/edwin/filcom.scm
@@ -1,6 +1,6 @@
 ;;; -*-Scheme-*-
 ;;;
-;;;	$Id: filcom.scm,v 1.168 1992/09/18 18:56:13 cph Exp $
+;;;	$Id: filcom.scm,v 1.169 1992/09/30 02:27:55 jinx Exp $
 ;;;
 ;;;	Copyright (c) 1986, 1989-92 Massachusetts Institute of Technology
 ;;;
@@ -196,32 +196,31 @@ Argument means don't offer to use auto-save file."
 
 (define (read-buffer-interactive buffer pathname visit?)
   (let ((truename
-	 (catch-file-errors
-	  (lambda ()
-	    (if visit?
-		(let loop
-		    ((hooks (ref-variable find-file-not-found-hooks buffer)))
-		  (if (and (not (null? hooks))
-			   (not ((car hooks) buffer)))
-		      (loop (cdr hooks)))))
-	    false)
-	  (lambda ()
-	    (read-buffer buffer pathname visit?)))))
-    (let ((pathname (or truename pathname)))
-      (let ((msg
-	     (cond ((file-writable? pathname)
-		    (and (not truename) "(New file)"))
-		   (truename
-		    "File is write protected")
-		   ((file-attributes pathname)
-		    "File exists, but is read-protected.")
-		   ((file-attributes (directory-pathname pathname))
-		    "File not found and directory write-protected")
-		   (else
-		    "File not found and directory doesn't exist"))))
-	(if msg
-	    (message msg))))
-    truename))
+	 (catch-file-errors (lambda () false)
+			    (lambda () (read-buffer buffer pathname visit?)))))
+    (define (finish msg)
+      (if msg
+	  (message msg))
+      truename)
+
+    (cond (truename
+	   (finish (and (not (file-writable? truename))
+			"File is write protected")))
+	  ((file-attributes pathname)
+	   (finish "File exists, but is read-protected."))
+	  (else
+	   (let loop ((hooks (if (not visit?)
+				 '()
+				 (ref-variable find-file-not-found-hooks buffer))))
+	     (if (null? hooks)
+		 (finish (cond ((file-writable? pathname)
+				"(New file)")
+			       ((file-attributes (directory-pathname pathname))
+				"File not found and directory write-protected")
+			       (else
+				"File not found and directory doesn't exist")))
+		 (and (not ((car hooks) buffer))
+		      (loop (cdr hooks)))))))))
 
 (define-variable find-file-not-found-hooks
   "List of procedures to be called for find-file on nonexistent file.
-- 
2.25.1