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Fix for Eshell's for loop.

* eshell/esh-cmd.el (eshell-rewrite-for-command): Copy the body
list explicitly.

Fixes: debbugs:12571
This commit is contained in:
Chong Yidong 2012-10-20 19:54:24 +08:00
parent 3503c79892
commit 045ef72904
2 changed files with 20 additions and 13 deletions

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@ -1,3 +1,8 @@
2012-10-20 Chong Yidong <cyd@gnu.org>
* eshell/esh-cmd.el (eshell-rewrite-for-command): Copy the body
list explicitly (Bug#12571).
2012-10-20 Arne Jørgensen <arne@arnested.dk>
* progmodes/flymake.el (flymake-create-temp-inplace): Use

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@ -484,20 +484,22 @@ implemented via rewriting, rather than as a function."
(let ((body (car (last terms))))
(setcdr (last terms 2) nil)
`(let ((for-items
(append
,@(mapcar
(lambda (elem)
(if (listp elem)
elem
`(list ,elem)))
(cdr (cddr terms)))))
(eshell-command-body '(nil))
(copy-tree
(append
,@(mapcar
(lambda (elem)
(if (listp elem)
elem
`(list ,elem)))
(cdr (cddr terms))))))
(eshell-command-body '(nil))
(eshell-test-body '(nil)))
(while (consp for-items)
(let ((,(intern (cadr terms)) (car for-items)))
(eshell-protect
,(eshell-invokify-arg body t)))
(setq for-items (cdr for-items)))
(while (car for-items)
(let ((,(intern (cadr terms)) (car for-items)))
(eshell-protect
,(eshell-invokify-arg body t)))
(setcar for-items (cadr for-items))
(setcdr for-items (cddr for-items)))
(eshell-close-handles
eshell-last-command-status
(list 'quote eshell-last-command-result))))))