Pileus Git - ~andy/fetchmail/blob - dist-tools/growthplot

   1 #!/bin/sh
   2 #
   3 # growthplot -- plot the fetchmail project's growth as a function of time
   4 #
   5
   6 PATH="$PATH:.:./dist-tools"; export PATH
   7
   8 tmp=/tmp/fetchmail-growthplot.$$
   9 mkdir $tmp
  10
  11 # Get data from the NEWS file
  12 timeseries >$tmp/growthplot$$
  13 grep "^[0-9]" $tmp/growthplot$$ >$tmp/growthnumbers$$
  14 grep "^[0-9.]*.[05].0   " $tmp/growthplot$$ >$tmp/growthmajors$$
  15 sed '/^4.2.9/,$d' <$tmp/growthnumbers$$ >$tmp/growthannounce$$
  16
  17 # gnuplot line styles.  These occasionally change (like beteween 3.5 and 3.7);
  18 # use "echo 'set terminal png; test' | gnuplot | display -" to check.
  19 blue_boxes=3
  20 green_crosses=2
  21 cyan_diamonds=37        # Once purple triangles, but we can't do that anymore
  22 brown_triangles=23
  23
  24 cat >$tmp/growthimage$$ <<EOF
  25 set title "Fetchmail project growth history"
  26 set xlabel 'Days since baseline'
  27 set ylabel 'Participants'
  28 set y2label 'Lines of code'
  29 set ytics nomirror
  30 set y2tics
  31 set tics out
  32 set autoscale y
  33 set y2range [5000:50000]
  34 set key bottom right box
  35 set terminal png
  36
  37 EOF
  38
  39 # OK, now write the event labels
  40 (
  41         count=0
  42         lastday=0
  43         breakheight=510
  44         while read version legend
  45         do
  46                 if [ "$version" = '%' ]
  47                 then
  48                         echo "# Associate $lastday to '$legend'"
  49                         count=$((count+1))
  50                         lastday=$(($lastday-5))
  51                         endy=$((breakheight+50+count*50))
  52                         if ((endy>lasttotal))
  53                         then
  54                             # Label over curve hanging right, arrow down
  55                             arrowhead=$((lasttotal+50))
  56                             echo "set label '$legend' at $lastday-10, $endy+15"
  57                         else
  58                             # Label under curve hanging left, arrow up
  59                             arrowhead=$((lasttotal-5))
  60                             strlen=`python -c "print len('$legend')"`
  61                             lablen=$((strlen*22))
  62                             echo "set label '$legend' at $lastday-$lablen+10, $endy-15"
  63                         fi
  64                         echo set arrow \
  65                                 from $lastday, $endy \
  66                                 to $lastday, $arrowhead \
  67                                 head
  68                 else
  69                         set -- $legend
  70                         size=$1
  71                         friends=$2
  72                         announce=$3
  73                         total=$4
  74                         days=$5
  75                         date=$6
  76                         lastday=$days
  77                         lasttotal=$total
  78                 fi
  79         done
  80 ) <$tmp/growthplot$$ >>$tmp/growthimage$$
  81
  82 # OK, now write the major-release labels
  83 (
  84         while read version size friends announce total days date
  85         do
  86             echo "set arrow from $days, $total - 55 to $days, $total - 15 head"
  87             echo "set label '$version' at $days - 5, $total - 65"
  88         done
  89 ) <$tmp/growthmajors$$ >>$tmp/growthimage$$
  90
  91 cat >>$tmp/growthimage$$ <<EOF
  92 plot [] [0:] '$tmp/growthnumbers$$' using 6:5 \
  93                 title "Both lists" with points $blue_boxes, \
  94      '$tmp/growthannounce$$' using 6:4 \
  95                 title "fetchmail-announce" with points $cyan_diamonds, \
  96      '$tmp/growthannounce$$' using 6:3 \
  97                 title "fetchmail-friends" with points $green_crosses, \
  98      '$tmp/growthnumbers$$' using 6:2 axes x1y2 \
  99                 title "Lines of code" with points $brown_triangles
 100 EOF
 101
 102 gnuplot $tmp/growthimage$$ >growth.png
 103
 104 rm -f $tmp/growth*
 105 rmdir $tmp
 106
 107 # growthplot ends here
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