pprint-chlog

   1 #!/bin/sh
   2 # Pretty-print `git log' output in ChangeLog format
   3 # Copyright (C) 2013-2017 Roland Lutz
   4 #
   5 # This program is free software; you can redistribute it and/or modify
   6 # it under the terms of the GNU General Public License as published by
   7 # the Free Software Foundation; either version 2 of the License, or
   8 # (at your option) any later version.
   9 #
  10 # This program is distributed in the hope that it will be useful,
  11 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 # GNU General Public License for more details.
  14 #
  15 # You should have received a copy of the GNU General Public License
  16 # along with this program; if not, write to the Free Software Foundation,
  17 # Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  18
  19 git log -z --format='format:%ai %an     <%ae>   %B' |
  20         sed -e '1s%^%\x00%' |
  21         sed -e 's%\(.\)\x00%\1\n\x00%g' |
  22         sed -e 's%^%\t%' |
  23         sed -e 's%^\t\x00\(....-..-..\) ..:..:.. .....\t\([^\t]*\)\t\(<[^\t]*>\)\t%\n\1  \2  \3\n\n      * %' |
  24         sed -e 's%^[\t ]*$%%' |
  25         sed -e '1d' |
  26         awk '
  27 /^[^\t ]/ {     if ($0 == last) consume = 1
  28                 else print $0
  29                 last = $0 }
  30 /^$/ {          if (consume == 1) consume = 0
  31                 else print $0 }
  32 /^[\t ]/ {      consume = 0
  33                 print $0 }'
  34
  35 cat << EOF
  36
  37 --------------------------------------------------------------------------------
  38
  39 Copyright (C) $(seq 2013 $(date +%Y) | sed -e ':a;N;s/\n/, /;ta') Roland Lutz
  40
  41 Copying and distribution of this file, with or without modification,
  42 are permitted provided the copyright notice and this notice are preserved.
  43 EOF