GNU bug report logs - #5296
vc-rcs rcsdiff -u1 -> -u -1

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Package: emacs;

Reported by: karl <at> freefriends.org (Karl Berry)

Date: Sun, 3 Jan 2010 13:06:02 UTC

Severity: normal

Done: Dan Nicolaescu <dann <at> ics.uci.edu>

Bug is archived. No further changes may be made.

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From: karl <at> freefriends.org (Karl Berry)
To: bug-emacs <at> gnu.org
Subject: bug#5296: vc-rcs rcsdiff -u1 -> -u -1
Date: Sat, 2 Jan 2010 22:49:43 GMT

In Emacs 23.1, doing vc-diff on an RCS file results in an error with
GNU diff 2.8.1 (or later):

/usr/bin/diff: `-1' option is obsolete; use `-U 1'                          
..

The *Messages* buffer reports:
vc-do-command: Running rcsdiff -q   -p -u1 maintainers...FAILED (status 2)

I could not quickly tell where the invocation was in vc-rcs.el, but
afaik replacing -u1 with -u 1 (or -U 1) is the solution.  (The workaround for
users is to set _POSIX2_VERSION=0 in the environment.)

karl
This bug report was last modified 15 years and 199 days ago.

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