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eda-tools/schhist/schhist2web
Werner Almesberger 9385ad0c87 schhist/schhist2web: explicitly suppress diff in "git show"
Seems that recent versions of git always display it while older versions
only did, if using --pretty, when explicitly asked to do so.
2012-12-05 00:41:40 -03:00

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#!/bin/bash
#
# schhist2web - Web-browseable graphical revision history of schematics
#
# Written 2010, 2012 by Werner Almesberger
# Copyright 2010, 2012 Werner Almesberger
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
OUTDIR=_out
THUMB_OPTS="-w 3 -d 60 -c 0.5,0.5,0.5 -n 1,1,0"
BG_COLOR="f0f0ff"
FNAME_COLOR="#b0f0ff"
SEP_COLOR="#000000"
CUTOFF=300
shrink()
{
pnmscale -width 120 "$@" || exit
}
pngdiff()
{
# pngdiff preproc outfile arg ...
pp="$1"
of="$2"
shift 2
if ! PATH=$PATH:`dirname $0`/ppmdiff ppmdiff "$@" "$out/_tmp"; then
rm -f "$out/_tmp"
return 1
fi
$pp "$out/_tmp" | pnmtopng >"$of"
rm "$out/_tmp"
}
symlink()
{
local old=$1 new=$2
local src=`dirname "$new"`/$old
if [ -L "$src" ]; then
ln -sf "`readlink \"$src\"`" "$new"
else
ln -sf "$old" "$new"
fi
}
commit_entry()
{
# usage: commit_entry <base-dir> <commit>
# note: the repository's base in $dir must be provided by the caller
local dir=$1 next=$2
cat <<EOF
<TABLE bgcolor="$SEP_COLOR" cellspacing=0 width="100%"><TR><TD></TABLE>
EOF
echo "<PRE>"
( cd "$dir" && git show \
--pretty=format:"%aN <%aE>%n %ad%n%n %s" \
--quiet $next; ) | sed '/^diff /Q' |
sed '/\(.\{'$CUTOFF'\}\).*/s//\1.../' |
sed 's/&/&amp;/g;s/</\&lt;/g;s/>/\&gt;/g' |
if [ -z "$SCHHIST_COMMIT_TEMPLATE" ]; then
cat
else
url=`echo "$SCHHIST_COMMIT_TEMPLATE" | sed "s/{}/$next/g"`
sed "1s|^|<A href=\"$url\"><B>\&gt;\&gt;\&gt;</B></a> |"
fi
echo "</PRE>"
}
wrapped_png()
{
local dir=$1 commit=$2 file=$3
mkdir -p "$dir/$commit/html"
echo "<A href=\"$commit/html/$file.html\"><IMG src=\"$commit/thumb/$file.png\"></A>"
cat <<EOF >"$dir/$commit/html/$file.html"
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<HTML>
<TITLE>$file</TITLE>
<BODY>
<A href="../pdf/$file.pdf"><IMG src="../diff/$file.png"></A>
</BODY>
EOF
}
#
# Add extra : for :name: and :name= because they consume the leading : while
# =name: and =name= don't and would therefore be placed one position later.
#
ordered_names()
{
ls -1 "$out/names" | (
while read n; do
if [ "${order%%:$n=*}" != "$order" ]; then
echo "${order%%:$n=*}":
elif [ "${order%%=$n:*}" != "$order" ]; then
echo "${order%%=$n:*}"
elif [ "${order%%=$n=*}" != "$order" ]; then
echo "${order%%=$n=*}"
else
echo "${order%%:$n:*}":
fi | tr -cd : | wc -c | tr '\n' ' '
echo "$n"
done; ) |
sort -n -s | sed 's/^[^ ]* //'
}
usage()
{
cat <<EOF 2>&1
usage: $0 [options] [top-dir] [top-schem] [out-dir]
top-dir top-level directory of the git archive (default: locate it)
top-schem root sheet of the schematics (default: locate it in top-dir)
out-dir output directory (default: $OUTDIR)
-c cache-dir cache directory (default: same as out-dir)
-f identify sheets by their file name, not the sheet name
-n don't use previous cache content (rebuild the cache)
-D debug mode: make temporary work trees unique and keep them
-S sanitize KiCad profile and top-level sheet
-T tmp-dir use the specified temporary directory instead of _schhist
EOF
exit 1
}
# --- Parse command-line options ----------------------------------------------
no_cache=false
sanitize=
use_sch_name=false
debug=false
debug_opt=
tmp=`pwd`/_schhist2web
while true; do
case "$1" in
-n) no_cache=true
shift;;
-c) [ -z "$2" ] && usage
cache=$2
shift 2;;
-f) use_sch_name=true
shift;;
-D) debug=true
debug_opt=-D
shift;;
-S) sanitize=-S
shift;;
-T) [ -z "$2" ] && usage
tmp=$2
shift 2;;
-*) usage;;
*) break;;
esac
done
# --- Interpret the command-line arguments ------------------------------------
if [ ! -z "$1" -a -d "$1/.git" ]; then
dir="$1"
shift
else
dir=.
while [ ! -d $dir/.git ]; do
if [ $dir -ef $dir/.. ]; then
echo "no .git/ directory found in hierarchy" 1>&2
exit 1
fi
dir=$dir/..
done
echo "found top-dir: $dir" 1>&2
fi
if [ ! -z "$1" -a -f "$dir/$1" -a \
-f "$dir/${1%.sch}.pro" ]; then
sch="$1"
shift
else
for n in "$dir"/*.sch; do
[ -f "${n%.sch}.pro" ] || continue
if [ ! -z "$sch" ]; then
echo "multiple choices for top-level .sch file" 1>&2
exit 1
fi
sch="$n"
done
if [ -z "$sch" -o "$sch" = "$dir/*.sch" ]; then
echo "no candidate for top-level .sch file found" 1>&2
exit 1
fi
echo "found root sheet: $sch" 1>&2
fi
if [ ! -z "$1" ] && [ ! -e "$1" ] || [ -d "$1" -a ! -d "$1"/.git ]; then
out="$1"
shift
else
out=$OUTDIR
fi
[ -z "$cache" ] && cache="$out"
[ -z "$1" ] || usage
# --- Set up some variables and the directories for cache and output ----------
PATH=`dirname "$0"`:"$PATH"
first=`gitenealogy "$dir" "$sch" | sed '$s/ .*//p;d'`
schname=`gitenealogy "$dir" "$sch" | sed '$s/^.* //p;d'`
order=:$SCHHIST_ORDER:
rm -rf "$out/*/"{diff,thumb,html,pdf} "$out/names"
$no_cache && rm -rf "$cache"
mkdir -p "$out/names"
mkdir -p "$cache"
ppmmake '#e0e0e0' 5 30 | pnmtopng >"$out"/unchanged.png
# --- Generate/update the cache -----------------------------------------------
head=
for n in $first `cd "$dir" && git rev-list --reverse $first..HEAD`; do
( cd "$dir" && git show --pretty=format:'' --name-only $n; ) |
egrep -q '\.sch$|\.pro$|\.lib$' || continue
echo Processing $n
new=`gitenealogy "$dir" "$sch" | sed "/^$n /s///p;d"`
if [ ! -z "$new" ]; then
echo Name change $schname to $new 1>&2
schname="$new"
fi
trap "rm -rf \"$cache/$n/ps\" \"$cache/$n/ppm0\" \"$cache/$n/ppm1\" \
\"$cache/$n/ppm2\" \"$tmp\"" 0
if [ ! -d "$cache/$n/ppm2" ]; then
rm -rf "$cache/$n/"{ps,ppm0,ppm1,ppm2}
mkdir -p "$cache/$n/"{ps,ppm0,ppm1,ppm2}
#
# potential optimization here: remember Postscript files from previous
# run (or their md5sum) and check if they have changed. If not, skip
# the ghostscript run and just put a symlink, replacing the less
# efficient optimization below.
#
tmp2=`gitsch2ps -k $sanitize $debug_opt "$dir" "$schname" $n "$tmp"` ||
exit
for m in "$tmp"/*.ps; do
[ "$m" = "$tmp/*.ps" ] && break
# call sub-sheets by their own name, without prepending the
# top-level sheet's name
name=`basename "$m" .ps`
name=${name#`basename "$schname" .sch`-}
#
# short-cut for $schname: since it's derived from the present $sch,
# we can just update it without further ado.
#
if [ "$name" = "`basename \"$schname\" .sch`" ]; then
name=`basename "$sch" .sch`
elif $use_sch_name &&
path=`subschname2file "$tmp2/$schname" "$name"`; then
name=`basename "$path" .sch`
#
# if the file is easily located, also track any future name
# changes
#
path=`dirname "$schname"`/$path
if [ -f "$tmp2/$path" ]; then
name=`gitwhoareyounow "$tmp2" "$path"`
name=`basename "$name" .sch`
fi
fi
# Postscript, for making PDFs later
ps="$cache/$n/ps/$name.ps"
normalizeschps "$m" "$ps" || exit
# Unadorned pixmap, for comparison
ppm="$cache/$n/ppm0/$name.ppm"
schps2ppm -n "$ps" "$ppm" || exit
# Pixmap with thin lines, for the detail views
ppm="$cache/$n/ppm1/$name.ppm"
normalizeschps -w 120 "$m" | schps2ppm - "$ppm" || exit
# Pixmap with thick lines, for the thumbnails
ppm="$cache/$n/ppm2/$name.ppm"
normalizeschps -w 500 "$m" | schps2ppm - "$ppm" || exit
done
rm -rf "$tmp"
$debug || rm -rf "$tmp2"
fi
for m in "$cache/$n/ppm0/"*; do
[ "$m" = "$cache/$n/ppm0/*" ] && break
if [ ! -z "$head" ]; then
prev="$cache/$head/ppm0/${m##*/}"
if [ -r "$prev" ] && cmp -s "$prev" "$m"; then
for d in ppm0 ppm1 ppm2; do
symlink "../../$head/$d/${m##*/}" "$cache/$n/$d/${m##*/}"
done
m_ps=${m%.ppm}.ps
symlink "../../$head/ps/${m_ps##*/}" "$cache/$n/ps/${m_ps##*/}"
fi
fi
touch "$out/names/`basename \"$m\" .ppm`"
done
trap 0
head=$n
done
if [ -z "$head" ]; then
echo "no usable head found" 2>&1
exit 1
fi
# --- Title of the Web page and table header ----------------------------------
index="$out/_index.html"
index_final="$out/index.html"
all=
{
cat <<EOF
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<HTML>
EOF
if [ ! -z "$SCHHIST_TITLE" ]; then
echo "<TITLE>$SCHHIST_TITLE</TITLE>"
fi
echo "<BODY>"
if [ ! -z "$SCHHIST_TITLE" ]; then
echo "<H1>"
[ -z "$SCHHIST_HOME_URL" ] || echo "<A href=\"$SCHHIST_HOME_URL\">"
echo "$SCHHIST_TITLE"
[ -z "$SCHHIST_HOME_URL" ] || echo "</A>"
echo "</H1>"
fi
cat <<EOF
<TABLE bgcolor="$BG_COLOR" callpadding=1>
<TR bgcolor="$FNAME_COLOR">
EOF
while read m; do
[ "${order%%=$m[:=]*}" = "$order" ] || continue
ps="$cache/$head/ps/$m.ps"
if [ -r "$ps" ]; then
#
# Note: we read from variable ps_$head but we write to constant
# pdf_head. We can't use pdf_$head here, because that may just be a
# commit with a change and we thus generate a delta PDF below.
#
mkdir -p "$out/pdf_head"
schps2pdf -o "$out/pdf_head/$m.pdf" "$ps" || exit
all="$all \"$ps\""
echo "<TD><A href=\"pdf_head/$m.pdf\"><B>$m</B></A>"
else
echo "<TD><B>$m</B>"
fi
done < <(ordered_names)
proj=`basename "$sch" .sch`
eval schps2pdf -t \""$proj-"\" -o \""$out/pdf_$proj.pdf"\" $all
echo "<TD><A href=\"pdf_$proj.pdf\">All sheets</A>"
} >"$index"
# --- Diff all the revisions, newest to oldest --------------------------------
next="$head"
for n in `cd "$dir" && git rev-list $first..HEAD~1` $first; do
[ -d "$cache/$n/ppm0" ] || continue
empty=true
s="<TR>"
td=false
mkdir -p "$out/$next/"{diff,thumb,html,pdf}
while read m; do
a0="$cache/$n/ppm0/$m.ppm"
a1="$cache/$n/ppm1/$m.ppm"
a2="$cache/$n/ppm2/$m.ppm"
aps="$cache/$n/ps/$m.ps"
b0="$cache/$next/ppm0/$m.ppm"
b1="$cache/$next/ppm1/$m.ppm"
b2="$cache/$next/ppm2/$m.ppm"
bps="$cache/$next/ps/$m.ps"
diff="$out/$next/diff/$m.png"
thumb="$out/$next/thumb/$m.png"
pdf="$out/$next/pdf/$m.pdf"
if [ "${order%%=$m[:=]*}" = "$order" ]; then
$td && s="$s<TD>"
td=true
fi
if [ -f "$a0" -a -f "$b0" ]; then
if ! pngdiff cat "$diff" "$a1" "$b1" "$a0" "$b0"; then
$td && s="$s<TD align=\"center\" valign=\"middle\">"
td=false
s="$s<IMG src=\"unchanged.png\">"
continue
fi
pngdiff shrink "$thumb" -f $THUMB_OPTS "$a2" "$b2" "$a0" "$b0" ||
exit
schps2pdf -T BEFORE -T AFTER -o "$pdf" "$aps" "$bps" || exit
elif [ -f "$a0" ]; then
pngdiff cat "$diff" -f -c 1,0,0 "$a1" "$a1" || exit
pngdiff shrink "$thumb" -f $THUMB_OPTS -c 1,0,0 "$a2" "$a2" ||
exit
schps2pdf -T DELETED -o "$pdf" "$aps" || exit
elif [ -f "$b0" ]; then
pngdiff cat "$diff" -f -c 0,1,0 "$b1" "$b1" || exit
pngdiff shrink "$thumb" -f $THUMB_OPTS -c 0,1,0 "$b2" "$b2" ||
exit
schps2pdf -T NEW -o "$pdf" "$bps" || exit
else
continue
fi
$td && s="$s<TD>"
td=false
echo "$s"
s=
wrapped_png "$out" "$next" "$m"
empty=false
done < <(ordered_names)
if ! $empty; then
$td && s="$s<TD>"
echo "$s<TD valign=\"middle\">"
commit_entry "$dir" $next
fi
next=$n
done >>"$index"
# --- Add creation entries for all files in the first commit ------------------
if [ -d "$cache/$next/ppm0" ]; then # could this ever be false ?
empty=true
echo "<TR>"
mkdir -p "$out/$next/"{diff,thumb,html,pdf}
while read m; do
p1="$cache/$next/ppm1/$m.ppm"
p2="$cache/$next/ppm2/$m.ppm"
ps="$cache/$next/ps/$m.ps"
diff="$out/$next/diff/$m.png"
thumb="$out/$next/thumb/$m.png"
pdf="$out/$next/pdf/$m.pdf"
[ "${order%%=$m[:=]*}" = "$order" ] && echo "<TD>"
[ -f "$p1" ] || continue
pngdiff cat "$diff" -f -c 0,1,0 "$p1" "$p1" || exit
pngdiff shrink "$thumb" -f $THUMB_OPTS -c 0,1,0 "$p2" "$p2" ||
exit
schps2pdf -T NEW -o "$pdf" "$ps" || exit
wrapped_png "$out" "$next" "$m"
empty=false
done < <(ordered_names)
if ! $empty; then
echo "<TD valign=\"middle\">"
commit_entry "$dir" $next
fi
fi >>"$index"
# --- Finish ------------------------------------------------------------------
cat <<EOF >>"$index"
</TABLE>
<HR>
`date -u '+%F %X'` UTC
</BODY>
</HTML>
EOF
mv "$index" "$index_final"