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bug#7302: cliff using "sccs get" rather than "get" breaks bitkeeper usag

From: Paul Bristow
Subject: bug#7302: cliff using "sccs get" rather than "get" breaks bitkeeper usage.
Date: Mon, 1 Nov 2010 08:44:34 +0000

Thanks for the quick response.  I have tried that patch and can confirm that it 
works for me.

-----Original Message-----
From: Stefan Monnier [mailto:address@hidden 
Sent: 29 October 2010 18:09
To: Paul Bristow
Cc: address@hidden
Subject: Re: bug#7302: vcdiff using "sccs get" rather than "get" breaks 
bitkeeper usage.

> I previously used Emacs 21.4 and its version of the vcdiff script is
> compatible with bk as it just calls "get" and bitkeeper supplies a get
> command.  In 23.2.1 the command is "sccs get" but there is no sccs
> with bitkeeper.
> I have found that reverting to the old behaviour with the patch that
> I have included below solves the problem.

But using just `get' won't work with CSSC, for example.

> Perhaps the change might be reverted or parameterised in
> future releases?

We could first try `sccs get' and if that fails fallback on `get'.
Can you confirm that the patch below works for you?


=== modified file 'lib-src/vcdiff'
--- lib-src/vcdiff      2010-01-13 08:35:10 +0000
+++ lib-src/vcdiff      2010-10-29 17:08:47 +0000
@@ -79,6 +79,12 @@
 trap 'status=2; exit' 1 2 13 15
 trap 'rm -f $rev1 $rev2 || status=2; exit $status' 0
+if ! type sccs >/dev/null 2>&1 && type get >/dev/null 2>&1 ; then
+    sccsget="get"
+    sccsget="sccs get"
 for f
@@ -87,14 +93,14 @@
        s.* | */s.*)
                        rev1=`mktemp /tmp/geta.XXXXXXXX`
-                       sccs get -s -p -k $sid1 "$f" > $rev1 &&
+                       $sccsget -s -p -k $sid1 "$f" > $rev1 &&
                        case $sid2 in
                                workfile=`expr " /$f" : '.*/s.\(.*\)'`
                                rev2=`mktemp /tmp/getb.XXXXXXXX`
-                               sccs get -s -p -k $sid2 "$f" > $rev2
+                               $sccsget -s -p -k $sid2 "$f" > $rev2

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