From 149720dc2eb927206191c744513e5f120fc7032d Mon Sep 17 00:00:00 2001
From: Steffen Nurpmeso <sdaoden@users.sf.net>
Date: Mon, 22 Jun 2015 17:51:00 +0200
Subject: [PATCH] s-gnu-diff.sh: easy compare codebase(s)

---
 s-gnu-diff.sh | 856 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 856 insertions(+)
 create mode 100755 s-gnu-diff.sh

diff --git a/s-gnu-diff.sh b/s-gnu-diff.sh
new file mode 100755
index 00000000..e5d1f312
--- /dev/null
+++ b/s-gnu-diff.sh
@@ -0,0 +1,856 @@
+#@ Generate real (whitespace normalized) difference of S-roff and GNU roff.
+
+DIFF='diff -Napruw'
+MANUALS=true
+LDIRBASE=./ #roff.git/
+GDIRBASE=../groff.git/
+
+##  --  >8  --  8<  --  ##
+
+[ ${#} -gt 0 ] && WANT="${*}" || WANT=
+LDIR= GDIR=
+
+should() {
+   [ -z "${WANT}" ] && return 0
+   { i=${WANT}; echo "_${i}_" | grep "_${1}_"; } >/dev/null 2>&1
+}
+
+new() {
+   if [ -f ${LDIRBASE}${LDIR}/${1} ]; then
+      $DIFF ${LDIRBASE}${LDIR}/${1} /dev/null
+   else
+      echo >&2 '============'
+      echo >&2 "new no file=${1} in LDIR=${LDIR}"
+      echo >&2 '============'
+      exit 1
+   fi
+}
+
+eqd() {
+   if [ -f ${LDIRBASE}${LDIR}/${1} ] &&
+         [ -f ${GDIRBASE}${GDIR}/${1} ]; then
+      ${DIFF} ${LDIRBASE}${LDIR}/${1} ${GDIRBASE}${GDIR}/${1}
+   else
+      echo >&2 '============'
+      echo >&2 "eqd no file=${1} in LDIR=${LDIR} or GDIR=${GDIR}"
+      echo >&2 '============'
+      exit 1
+   fi
+}
+
+ned() {
+   if [ -f ${LDIRBASE}${LDIR}/${1} ] &&
+         [ -f ${GDIRBASE}${GDIR}/${2} ]; then
+      ${DIFF} ${LDIRBASE}${LDIR}/${1} ${GDIRBASE}${GDIR}/${2}
+   elif [ -f ${LDIRBASE}${LDIR}/${1} ]; then
+      echo >&2 '============'
+      echo >&2 "ned no GDIR=${GDIR}/${2}"
+      echo >&2 '============'
+      exit 1
+   else
+      echo >&2 '============'
+      echo >&2 "ned no LDIR=${LDIR}/${1} (at least)"
+      echo >&2 '============'
+      exit 1
+   fi
+}
+
+# include
+if should include; then
+   LDIR=include GDIR=src/${LDIR}
+
+   new config.h.in
+   new file_case.h
+
+   eqd cmap.h
+   eqd color.h
+   eqd cset.h
+   eqd device.h
+   eqd driver.h
+   eqd errarg.h
+   eqd error.h
+   eqd font.h
+   eqd geometry.h
+   eqd getopt.h
+   eqd getopt_int.h
+   eqd gettext.h
+   eqd html-strings.h
+   eqd htmlhint.h
+   eqd index.h
+   eqd itable.h
+   eqd lib.h
+   eqd localcharset.h
+   eqd macropath.h
+   eqd nonposix.h
+   eqd paper.h
+   eqd posix.h
+   eqd printer.h
+   eqd ptable.h
+   eqd refid.h
+   eqd relocate.h
+   eqd search.h
+   eqd searchpath.h
+   eqd stringclass.h
+   eqd symbol.h
+   eqd unicode.h
+fi
+
+## src/
+
+LDIR=src/dev-dvi
+if should dev-dvi; then
+   GDIR=src/devices/grodvi
+
+   new dvi-config.h.in
+   eqd dvi.cpp
+
+   if ${MANUALS}; then
+      LDIR=man
+      ned dev-dvi.1.in grodvi.man
+   fi
+fi
+
+LDIR=src/dev-html
+if should dev-html; then
+   GDIR=src/devices/grohtml
+
+   new html-config.h.in
+   eqd html-table.cpp
+   eqd html-table.h
+   eqd html-text.cpp
+   eqd html-text.h
+   eqd html.h
+   eqd output.cpp
+   eqd post-html.cpp
+
+   if ${MANUALS}; then
+      LDIR=man
+      ned dev-html.1.in grohtml.man
+   fi
+fi
+
+LDIR=src/dev-ps
+if should dev-ps; then
+   GDIR=src/devices/grops
+
+   new ps-config.h.in
+   eqd psrm.cpp
+   eqd ps.h
+   eqd ps.cpp
+
+   if ${MANUALS}; then
+      LDIR=man
+      ned dev-ps.1.in grops.man
+   fi
+fi
+
+LDIR=src/dev-tty
+if should dev-tty; then
+   GDIR=src/devices/grotty
+
+   new tty-config.h.in
+   eqd tty.cpp
+
+   if ${MANUALS}; then
+      LDIR=man
+      ned dev-tty.1.in grotty.man
+   fi
+fi
+
+LDIR=src/lib-bib
+if should lib-bib; then
+   GDIR=src/libs/libbib
+
+   new bib.h
+   eqd common.cpp
+   eqd index.cpp
+   eqd linear.cpp
+   eqd map.c
+   eqd search.cpp
+fi
+
+LDIR=src/lib-driver
+if should lib-driver; then
+   GDIR=src/libs/libdriver
+
+   eqd input.cpp
+   eqd printer.cpp
+fi
+
+LDIR=src/lib-roff
+if should lib-roff; then
+   GDIR=src/libs/libgroff
+
+   eqd change_lf.cpp
+   eqd cmap.cpp
+   eqd color.cpp
+   eqd config.charset
+   eqd cset.cpp
+   eqd device.cpp
+   eqd errarg.cpp
+   eqd error.cpp
+   eqd fatal.cpp
+   new file_case.cpp
+   eqd filename.cpp
+   eqd font.cpp
+   eqd fontfile.cpp
+   eqd geometry.cpp
+   eqd getopt.c
+   eqd getopt1.c
+   eqd glyphuni.cpp
+   eqd htmlhint.cpp
+   eqd hypot.cpp
+   eqd iftoa.c
+   eqd invalid.cpp
+   eqd itoa.c
+   eqd lf.cpp
+   eqd lineno.cpp
+   eqd localcharset.c
+   eqd macropath.cpp
+   ned make-uniuni.sh make-uniuni
+   eqd matherr.c
+   eqd maxfilename.cpp
+   eqd maxpathname.cpp
+   eqd mksdir.cpp
+   eqd mkstemp.cpp
+   eqd nametoindex.cpp
+   eqd new.cpp
+   eqd paper.cpp
+   eqd prime.cpp
+   eqd progname.c
+   eqd ptable.cpp
+   eqd putenv.c
+   eqd quotearg.c
+   eqd relocatable.h
+   eqd relocate.cpp
+   eqd searchpath.cpp
+   eqd spawnvp.c
+   eqd strcasecmp.c
+   eqd string.cpp
+   eqd strncasecmp.c
+   eqd strsave.cpp
+   eqd symbol.cpp
+   eqd tmpfile.cpp
+   eqd tmpname.cpp
+   eqd unicode.cpp
+   eqd uniglyph.cpp
+   eqd uniuni.cpp
+fi
+
+LDIR=src/lib-snprintf
+if should lib-snprintf; then
+   GDIR=src/libs/snprintf
+
+   eqd snprintf.c
+fi
+
+LDIR=src/nroff
+if should nroff; then
+   GDIR=src/roff/nroff
+
+   ned nroff.sh.in nroff.sh
+
+   if ${MANUALS}; then
+      LDIR=man
+      ned src-nroff.1.in nroff.man
+   fi
+fi
+
+LDIR=src/pre-eqn
+if should pre-eqn; then
+   GDIR=src/preproc/eqn
+
+   new eqn-config.h.in
+   eqd box.cpp
+   eqd box.h
+   eqd delim.cpp
+   eqd eqn.h
+   ned eqn.y eqn.ypp
+   eqd lex.cpp
+   eqd limit.cpp
+   eqd list.cpp
+   eqd main.cpp
+   eqd mark.cpp
+   ned neqn.sh.in neqn.sh
+   eqd other.cpp
+   eqd over.cpp
+   eqd pbox.h
+   eqd pile.cpp
+   eqd script.cpp
+   eqd special.cpp
+   eqd sqrt.cpp
+   eqd text.cpp
+
+   if ${MANUALS}; then
+      LDIR=man
+      ned pre-eqn.1.in eqn.man
+      ned pre-neqn.1.in neqn.man
+   fi
+fi
+
+LDIR=src/pre-grn
+if should pre-grn; then
+   GDIR=src/preproc/grn
+
+   new grn-config.h.in
+   eqd README
+   eqd gprint.h
+   eqd hdb.cpp
+   eqd hgraph.cpp
+   eqd hpoint.cpp
+   eqd main.cpp
+
+   if ${MANUALS}; then
+      LDIR=man
+      ned pre-grn.1.in grn.man
+   fi
+fi
+
+LDIR=src/pre-html
+if should pre-html; then
+   GDIR=src/preproc/html
+
+   new html-config.h.in
+   eqd pre-html.cpp
+   eqd pre-html.h
+   eqd pushback.cpp
+   eqd pushback.h
+fi
+
+LDIR=src/pre-pic
+if should pre-pic; then
+   GDIR=src/preproc/pic
+
+   new pic-config.h.in
+   eqd common.cpp
+   eqd common.h
+   eqd lex.cpp
+   eqd main.cpp
+   eqd object.cpp
+   eqd object.h
+   eqd output.h
+   eqd pic.h
+   ned pic.y pic.ypp
+   eqd position.h
+   eqd tex.cpp
+   eqd text.h
+   eqd troff.cpp
+
+   if ${MANUALS}; then
+      LDIR=man
+      ned pre-pic.1.in pic.man
+   fi
+fi
+
+LDIR=src/pre-preconv
+if should pre-preconv; then
+   GDIR=src/preproc/preconv
+
+   new preconv-config.h.in
+   eqd preconv.cpp
+
+   if ${MANUALS}; then
+      LDIR=man
+      ned pre-preconv.1.in preconv.man
+   fi
+fi
+
+LDIR=src/pre-refer
+if should pre-refer; then
+   GDIR=src/preproc/refer
+
+   new refer-config.h.in
+   eqd command.cpp
+   eqd command.h
+   ned label.y label.ypp
+   eqd ref.cpp
+   eqd ref.h
+   eqd refer.cpp
+   eqd refer.h
+   eqd token.cpp
+   eqd token.h
+
+   if ${MANUALS}; then
+      LDIR=man
+      ned pre-refer.1.in refer.man
+   fi
+fi
+
+LDIR=src/pre-soelim
+if should pre-soelim; then
+   GDIR=src/preproc/soelim
+
+   new soelim-config.h.in
+   eqd soelim.cpp
+
+   if ${MANUALS}; then
+      LDIR=man
+      ned pre-soelim.1.in soelim.man
+   fi
+fi
+
+LDIR=src/pre-tbl
+if should pre-tbl; then
+   GDIR=src/preproc/tbl
+
+   new tbl-config.h.in
+   eqd main.cpp
+   eqd table.cpp
+   eqd table.h
+
+   if ${MANUALS}; then
+      LDIR=man
+      ned pre-tbl.1.in tbl.man
+   fi
+fi
+
+LDIR=src/roff
+if should roff; then
+   GDIR=src/roff/groff
+
+   new roff-config.h
+   eqd pipeline.c
+   eqd pipeline.h
+   ned roff.cpp groff.cpp
+
+   if ${MANUALS}; then
+      LDIR=man
+      ned src-roff.1.in groff.man
+   fi
+fi
+
+LDIR=src/troff
+if should troff; then
+   GDIR=src/roff/troff
+
+   new troff-config.h
+   eqd charinfo.h
+   eqd column.cpp
+   eqd dictionary.cpp
+   eqd dictionary.h
+   eqd div.cpp
+   eqd div.h
+   eqd env.cpp
+   eqd env.h
+   eqd hvunits.h
+   eqd input.cpp
+   eqd input.h
+   eqd mtsm.cpp
+   eqd mtsm.h
+   eqd node.cpp
+   eqd node.h
+   eqd number.cpp
+   eqd reg.cpp
+   eqd reg.h
+   eqd request.h
+   eqd token.h
+   eqd troff.h
+
+   if ${MANUALS}; then
+      LDIR=man
+      ned src-troff.1.in troff.man
+   fi
+fi
+
+LDIR=src/ute-addftinfo
+if should ute-addftinfo; then
+   GDIR=src/utils/addftinfo
+
+   new addftinfo-config.h.in
+   eqd addftinfo.cpp
+   eqd guess.cpp
+   eqd guess.h
+
+   if ${MANUALS}; then
+      LDIR=man
+      ned ute-addftinfo.1.in addftinfo.man
+   fi
+fi
+
+LDIR=src/ute-afmtodit
+if should ute-afmtodit; then
+   GDIR=src/utils/afmtodit
+
+   ned afmtodit.pl.in afmtodit.pl
+   eqd afmtodit.tables
+   eqd make-afmtodit-tables
+
+   if ${MANUALS}; then
+      LDIR=man
+      ned ute-afmtodit.1.in afmtodit.man
+   fi
+fi
+
+LDIR=src/ute-indxbib
+if should ute-indxbib; then
+   GDIR=src/utils/indxbib
+
+   new indxbib-config.h.in
+   eqd eign
+   eqd indxbib.cpp
+
+   if ${MANUALS}; then
+      LDIR=man
+      ned ute-indxbib.1.in indxbib.man
+   fi
+fi
+
+LDIR=src/ute-lkbib
+if should ute-lkbib; then
+   GDIR=src/utils/lkbib
+
+   new lkbib-config.h.in
+   eqd lkbib.cpp
+
+   if ${MANUALS}; then
+      LDIR=man
+      ned ute-lkbib.1.in lkbib.man
+   fi
+fi
+
+LDIR=src/ute-lookbib
+if should ute-lookbib; then
+   GDIR=src/utils/lookbib
+
+   new lookbib-config.h
+   eqd lookbib.cpp
+
+   if ${MANUALS}; then
+      LDIR=man
+      ned ute-lookbib.1.in lookbib.man
+   fi
+fi
+
+LDIR=src/ute-pfbtops
+if should ute-pfbtops; then
+   GDIR=src/utils/pfbtops
+
+   new pfbtops-config.h
+   eqd pfbtops.c
+
+   if ${MANUALS}; then
+      LDIR=man
+      ned ute-pfbtops.1.in pfbtops.man
+   fi
+fi
+
+LDIR=src/ute-tfmtodit
+if should ute-tfmtodit; then
+   GDIR=src/utils/tfmtodit
+
+   new tfmtodit-config.h
+   eqd tfmtodit.cpp
+
+   if ${MANUALS}; then
+      LDIR=man
+      ned ute-tfmtodit.1.in tfmtodit.man
+   fi
+fi
+
+## font/
+
+if should font; then
+   LDIR=font GDIR=${LDIR}/util
+   eqd make-Rproto
+
+   LDIR=font/dev-ascii GDIR=font/devascii
+   ned DESC.proto.in DESC.proto
+   eqd R.proto
+
+   LDIR=font/dev-cp1047 GDIR=font/devcp1047
+   ned DESC.proto.in DESC.proto
+   eqd R.proto
+
+   LDIR=font/dev-dvi GDIR=font/devdvi
+   eqd CW
+   eqd CWEC
+   eqd CWI
+   eqd CWIEC
+   eqd CWITC
+   eqd CWTC
+   eqd DESC.in
+   eqd EX
+   eqd HB
+   eqd HBEC
+   eqd HBI
+   eqd HBIEC
+   eqd HBITC
+   eqd HBTC
+   eqd HI
+   eqd HIEC
+   eqd HITC
+   eqd HR
+   eqd HREC
+   eqd HRTC
+   eqd MI
+   eqd S
+   eqd SA
+   eqd SB
+   eqd SC
+   eqd TB
+   eqd TBEC
+   eqd TBI
+   eqd TBIEC
+   eqd TBITC
+   eqd TBTC
+   eqd TI
+   eqd TIEC
+   eqd TITC
+   eqd TR
+   eqd TREC
+   eqd TRTC
+
+   LDIR=font/dev-dvi/generate GDIR=font/devdvi/generate
+   ned compile.sh CompileFonts
+   eqd ec.map
+   eqd msam.map
+   eqd msbm.map
+   eqd tc.map
+   eqd texb.map
+   eqd texex.map
+   eqd texi.map
+   eqd texmi.map
+   eqd texr.map
+   eqd texsy.map
+   eqd textex.map
+   eqd textt.map
+
+   LDIR=font/dev-html GDIR=font/devhtml
+   ned DESC.proto.in DESC.proto
+   eqd R.in
+   eqd R.proto
+
+   LDIR=font/dev-latin1 GDIR=font/devlatin1
+   ned DESC.proto.in DESC.proto
+   eqd R.proto
+
+   LDIR=font/dev-ps GDIR=font/devps
+   eqd AB
+   eqd ABI
+   eqd AI
+   eqd AR
+   eqd BMB
+   eqd BMBI
+   eqd BMI
+   eqd BMR
+   eqd CB
+   eqd CBI
+   eqd CI
+   eqd CR
+   eqd DESC.in
+   eqd EURO
+   eqd HB
+   eqd HBI
+   eqd HI
+   eqd HNB
+   eqd HNBI
+   eqd HNI
+   eqd HNR
+   eqd HR
+   eqd NB
+   eqd NBI
+   eqd NI
+   eqd NR
+   eqd PB
+   eqd PBI
+   eqd PI
+   eqd PR
+   eqd S
+   eqd SS
+   eqd TB
+   eqd TBI
+   eqd TI
+   eqd TR
+   eqd ZCMI
+   eqd ZD
+   eqd ZDR
+   eqd download
+   eqd freeeuro.afm
+   eqd freeeuro.pfa
+   eqd prologue.ps
+   eqd psstrip.sed
+   eqd symbol.afm
+   eqd symbolmap
+   eqd symbolsl.ps
+   eqd text.enc
+   eqd zapfdr.afm
+   eqd zapfdr.ps
+
+   LDIR=font/dev-ps/generate GDIR=font/devps/generate
+   eqd afmname
+   eqd dingbats.map
+   eqd dingbats.rmap
+   eqd freeeuro.sfd
+   eqd lgreekmap
+   eqd make-zapfdr
+   eqd sfdtopfa.pe
+   eqd symbol.sed
+   eqd symbolchars
+   eqd symbolsl.afm
+   eqd symbolsl.awk
+   eqd textmap
+   eqd zapfdr.sed
+
+   LDIR=font/dev-utf8 GDIR=font/devutf8
+   ned DESC.proto.in DESC.proto
+   eqd NOTES
+   eqd R.in
+   eqd R.proto
+fi
+
+# tmac
+if should tmac; then
+   LDIR=tmac GDIR=${LDIR}
+
+   eqd 62bit.tmac
+   eqd LOCALIZATION
+   eqd Xps.tmac
+   eqd a4.tmac
+   eqd an-ext.tmac
+   eqd an-old.tmac
+   eqd an.tmac
+   eqd andoc.tmac
+   new ascii.tmac
+   eqd composite.tmac
+   eqd cp1047.tmac
+   eqd cs.tmac
+   eqd de.tmac
+   eqd den.tmac
+   eqd devtag.tmac
+   ned doc.tmac doc.tmac-u
+   eqd dvi.tmac
+   ned e.tmac e.tmac-u
+   eqd ec.tmac
+   eqd eqnrc
+   eqd europs.tmac
+   eqd fallbacks.tmac
+   eqd fr.tmac
+   eqd html-end.tmac
+   eqd html.tmac
+   eqd hyphen.cs
+   eqd hyphen.den
+   eqd hyphen.det
+   eqd hyphen.fr
+   eqd hyphen.sv
+   eqd hyphen.us
+   eqd hyphenex.cs
+   eqd hyphenex.det
+   eqd hyphenex.pl
+   eqd hyphenex.us
+   eqd latin1.tmac
+   eqd latin2.tmac
+   eqd latin5.tmac
+   eqd latin9.tmac
+   eqd man.local
+   eqd man.tmac
+   eqd mandoc.tmac
+   ned mdoc-common doc-common-u
+   ned mdoc-ditroff doc-ditroff-u
+   ned mdoc-nroff doc-nroff-u
+   ned mdoc-syms doc-syms-u
+   eqd mdoc.local
+   eqd mdoc.tmac
+   eqd me.tmac
+   eqd ms.tmac
+   eqd papersize.tmac
+   eqd pic.tmac
+   eqd ps.tmac
+   eqd psfig.tmac
+   eqd psold.tmac
+   eqd pspic.tmac
+   eqd ptx.tmac
+   eqd refer-me.tmac
+   eqd refer-ms.tmac
+   eqd refer.tmac
+   eqd s.tmac
+   eqd safer.tmac
+   eqd sv.tmac
+   eqd trace.tmac
+   eqd trans.tmac
+   eqd troffrc
+   eqd troffrc-end
+   eqd tty-char.tmac
+   eqd tty.tmac
+   eqd unicode.tmac
+   ned www.tmac www.tmac.in
+
+   if ${MANUALS}; then
+      LDIR=man
+      ned tmac-man.7.in groff_man.man
+      ned tmac-mdoc.7.in groff_mdoc.man
+      ned tmac-me.7.in groff_me.man
+      ned tmac-ms.7.in groff_ms.man
+      ned tmac-trace.7.in groff_trace.man
+      ned tmac-www.7.in groff_www.man
+   fi
+fi
+
+# man (only the remains not handled by the others)
+if should man && ${MANUALS}; then
+   LDIR=man GDIR=${LDIR}
+
+   ned l_ditroff.7.in ditroff.man
+   ned l_roff.7.in groff.man
+   ned l_roff-char.7.in groff_char.man
+   ned l_roff-diff.7.in groff_diff.man
+   ned l_roff-font.5.in groff_font.man
+   ned l_roff-history.7.in roff.man
+   ned l_roff-out.5.in groff_out.man
+   ned l_roff-tmac.5.in groff_tmac.man
+fi
+
+# doc
+if should doc && ${MANUALS}; then
+   LDIR=doc GDIR=${LDIR}
+
+   eqd grnexmpl.g
+   eqd grnexmpl.me
+   #ned groff.texinfo groff.texi
+   ned meintro.me.in meintro.me
+   ned meref.me.in meref.me
+   eqd pic.ms
+fi
+
+## contrib/
+
+# hdtbl
+if should hdtbl; then
+   LDIR=contrib/hdtbl GDIR=${LDIR}
+
+   ned hdtbl.tmac hdtbl.tmac-u
+   ned hdmisc.tmac hdmisc.tmac-u
+   if ${MANUALS}; then
+      ned hdtbl.7.in groff_hdtbl.man
+   fi
+
+   LDIR=${LDIR}/examples GDIR=${GDIR}/examples
+
+   eqd chess_board.roff
+   eqd col_rowspan_colors.roff
+   eqd color_boxes.roff
+   eqd color_nested_tables.roff
+   eqd color_table_cells.roff
+   eqd color_transitions.roff
+   ned common.tmac common.roff
+   eqd fonts_n.in
+   eqd fonts_x.in
+   ned mixed_pickles.roff.in mixed_pickles.roff
+   eqd rainbow.roff
+   eqd short_reference.roff
+fi
+
+# pdfmark
+if should pdfmark; then
+   LDIR=contrib/pdfmark GDIR=${LDIR}
+
+   eqd cover.ms
+   ned pdfmark.ms.in pdfmark.ms
+   eqd pdfmark.tmac
+   ned pdfroff.sh.in pdfroff.sh
+   eqd spdf.tmac
+   if ${MANUALS}; then
+      ned pdfroff.1.in pdfroff.man
+   fi
+fi
+
+# s-sh-mode
-- 
2.11.4.GIT