Created attachment 182593 [details] Use textproc/diffutils at FreeBSD-12 after switch to bsddiff misc/mc has an awesome feature to compare two files and highlight the differences. However the gnu specific diff options are hardcoded at sources, ex. src/diffviewer/ydiff.c: --- 800 static int 801 dff_execute (const char *args, const char *extra, const char *file1, const char *file2, 802 GArray * ops) 803 { 804 static const char *opt = 805 " --old-group-format='%df%(f=l?:,%dl)d%dE\n'" 806 " --new-group-format='%dea%dF%(F=L?:,%dL)\n'" 807 " --changed-group-format='%df%(f=l?:,%dl)c%dF%(F=L?:,%dL)\n'" 808 " --unchanged-group-format=''"; --- FreeBSD has switched to bsddiff recently, from /usr/src/UPDATING: --- 20170420: GNU diff has been replaced by a BSD licensed diff. Some features of GNU diff has not been implemented, if those are needed a newer version of GNU diff is available via the diffutils package under the gdiff name. --- So, to keep the aforementioned functionality we should use gnu diff util. To reproduce the issue, use a fresh FreeBSD-current, install misc/mc and try to compare two files (F9->command->compare files) and get the error: --- diff: unrecognized option `--old-group-format=%df%(f=l?:,%dl)d%dE` [...] --- I propose a patch (mind the new file at ${FILESDIR}).
Committed. Thanks for the patch!
A commit references this bug: Author: woodsb02 Date: Mon May 29 13:50:20 UTC 2017 New revision: 441985 URL: https://svnweb.freebsd.org/changeset/ports/441985 Log: misc/mc: Use textproc/diffutils on FreeBSD 12 - The new bsddiff in FreeBSD 12 does not yet support --old-group-format - Fix python shebangfix to require python2 PR: 219277 Submitted by: bsam Changes: head/misc/mc/Makefile head/misc/mc/files/extra-patch-src_diffviewer_ydiff.c