#!/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 # note: the repository's base in $dir must be provided by the caller local dir=$1 next=$2 cat < EOF echo "
"
    ( cd "$dir" && git show \
        --pretty=format:"%aN <%aE>%n    %ad%n%n    %s" \
	--quiet $next; ) | sed '/^diff /Q' |
	sed '/\(.\{'$CUTOFF'\}\).*/s//\1.../' |
      sed 's/&/&/g;s//\>/g' |
      if [ -z "$SCHHIST_COMMIT_TEMPLATE" ]; then
	cat
      else
	url=`echo "$SCHHIST_COMMIT_TEMPLATE" | sed "s/{}/$next/g"`
	sed "1s|^|\>\>\> |"
      fi
    echo "
" } wrapped_png() { local dir=$1 commit=$2 file=$3 mkdir -p "$dir/$commit/html" echo "" cat <"$dir/$commit/html/$file.html" $file EOF } # # Add extra : for :name: and :name= because they consume the leading : while # =name: and =name= don't and would therefore be placed one position later. # ordered_names() { ls -1 "$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 <&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="$out/index.html" all= { cat < EOF if [ ! -z "$SCHHIST_TITLE" ]; then echo "$SCHHIST_TITLE" fi echo "" if [ ! -z "$SCHHIST_TITLE" ]; then echo "

" [ -z "$SCHHIST_HOME_URL" ] || echo "" echo "$SCHHIST_TITLE" [ -z "$SCHHIST_HOME_URL" ] || echo "" echo "

" fi cat < 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 \"$ps\"" echo "$m" else echo "$m" fi done < <(ordered_names) proj=`basename "$sch" .sch` eval schps2pdf -t \""$proj-"\" -o \""$out/pdf_$proj.pdf"\" $all echo "All sheets" } >"$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/$n/ppm0" ] || continue empty=true s="" td=false mkdir -p "$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=true fi if [ -f "$a0" -a -f "$b0" ]; then if ! pngdiff cat "$diff" "$a1" "$b1" "$a0" "$b0"; then $td && s="$s" td=false s="$s" continue fi pngdiff shrink "$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=false echo "$s" s= wrapped_png "$out" "$next" "$m" empty=false done < <(ordered_names) if ! $empty; then $td && s="$s" echo "$s" commit_entry "$dir" $next fi next=$n done >>"$index" # --- Add creation entries for all files in the first commit ------------------ if [ -d "$cache/$next/ppm0" ]; then # could this ever be false ? empty=true echo "" mkdir -p "$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 "" [ -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 ! $empty; then echo "" commit_entry "$dir" $next fi fi >>"$index" # --- Finish ------------------------------------------------------------------ cat <>"$index"
`date -u '+%F %X'` UTC EOF mv "$index" "$index_final"