count-contributors.sh

   1 #!/bin/sh
   2
   3 LC_ALL=C LANG=C
   4 export LC_ALL LANG
   5
   6 fmt="%-10s | %7d %7d %7d | %7d %7d | %-10s\n"
   7 hfmt=$(printf "%s" "$fmt" | sed -e 's/d/s/g')
   8 head=$(printf "$hfmt" release new this total this total date)
   9
  10 old= ocommitcnt=
  11 git for-each-ref --format='%(refname:short)' refs/tags/ |
  12 perl -w -e '
  13         use strict;
  14         my @version = ();
  15         my %asked = map { $_ => $_ } @ARGV;
  16
  17         while (<STDIN>) {
  18                 next unless (/^(v(\d+)\.(\d+)(?:\.(\d+))?(?:-rc(\d+))?)$/);
  19                 # $1 = tag == v$2.$3(.$4)?(-rc$5)?
  20
  21                 if (exists $asked{$1}) {
  22                         ; # ok
  23                 } elsif (defined $5) {
  24                         # skip -rc releases
  25                         next;
  26                 } elsif ($2 == 0) {
  27                         # not worth showing breakdown during v0.99 period
  28                         next unless ($1 eq "v0.99");
  29                 } elsif ($2 == 1) {
  30                         # not worth showing breakdown before v1.4.0
  31                         next if ($3 < 4 && $4);
  32                 }
  33                 push @version, [$1, $2, $3, $4, $5];
  34         }
  35         for (sort { (
  36                 $a->[1] <=> $b->[1] ||
  37                 $a->[2] <=> $b->[2] ||
  38                 $a->[3] <=> $b->[3] ||
  39                 ( (defined $a->[4] && defined $b->[4])
  40                   ? $a->[4] <=> $b->[4]
  41                   : defined $a->[4]
  42                   ? -1 : 1 ) ); } @version) {
  43                 print $_->[0], "\n";
  44         }
  45 ' "$@" |
  46 while read new
  47 do
  48         commitcnt=$(git rev-list --no-merges "$new" | wc -l)
  49         git shortlog -s -n "$new" |
  50         sed -e 's/^[    0-9]*//' |
  51         sort >/var/tmp/new
  52         if test -n "$old"
  53         then
  54                 comm -13 /var/tmp/old /var/tmp/new >"/var/tmp/cont-$new"
  55                 i=$(git shortlog -s -n "$old..$new" |
  56                         sed -e 's/^[    0-9]*//' |
  57                         wc -l)
  58                 cc=$(( $commitcnt - $ocommitcnt ))
  59         else
  60                 i=$(wc -l </var/tmp/new)
  61                 cat /var/tmp/new >"/var/tmp/cont-$new"
  62                 cc=$(( $commitcnt + 0 ))
  63         fi
  64         old=$new
  65         mv /var/tmp/new /var/tmp/old
  66         n=$(wc -l <"/var/tmp/cont-$new")
  67         c=$(wc -l <"/var/tmp/old")
  68         t=$(git show -s --format="%ci" "$old^0" | sed -e "s/ .*//")
  69         ocommitcnt=$commitcnt
  70         test -z "$head" || echo "$head"
  71         printf "$fmt" $new $n $i $c $cc $commitcnt $t
  72         head=
  73 done