GNU bug report logs - #1320
sh-mode indentation of "case $foo in (bar)"

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From: Karl Chen <quarl <at> cs.berkeley.edu>
To: quiet <at> debbugs.gnu.org
Subject: bug#1320: sh-mode indentation of "case $foo in (bar)"
Date: Fri, 31 Oct 2008 03:29:13 -0700

[ resent from
http://lists.gnu.org/archive/html/emacs-devel/2008-10/msg00906.html ]

emacs -Q /tmp/case.sh
#
case x in
y)
y2
;;
(z)
z2
;;
esac

M-: (indent-region (point-min) (point-max))


Result:
#
case x in
    y)
        y2
	;;
    (z)
    z2
    ;;
esac


Expected:
#
case x in
    y)
        y2
	;;
    (z)
        z2
        ;;
esac



Running (sh-get-indent-info) on the y2 line includes
sh-indent-for-case-alt in the result (as expected); running
(sh-get-indent-info) on the z2 line doesn't yield
sh-indent-for-case-alt.

The "(altpattern)" syntax with leading opening parenthesis is
supported by various shells (bash, ksh, zsh).


Also, a second indentation bug: if the first line in the buffer is
the case statement, sh-mode gets even more confused and
double-indents the y2 line.  This is rare though since usually the
first line is "#!"; I only noticed it while constructing this bug
report.

Tested on emacs 22.2 and emacs 2008-10-31.

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