dsc2git

   1 #!/bin/sh
   2 # dsc2git - wrapper around archives2git
   3 #
   4 # Copyright © 2017 Géraud Meyer <graud@gmx.com>
   5 # This program is free software; you can redistribute it and/or modify
   6 # it under the terms of the GNU General Public License version 2 as
   7 # published by the Free Software Foundation.
   8 #
   9 # This program is distributed in the hope that it will be useful, but
  10 # WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
  11 # or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12 # for more details.
  13 #
  14 # You should have received a copy of the GNU General Public License along
  15 # with this program.  If not, see <http://www.gnu.org/licenses/>.
  16
  17 help_message () {
  18         cat <<"HelpMessage"
  19 NAME
  20         dsc2git - wrapper around archives2git to process debian source packages
  21 SYNOPSIS
  22         dsc2git [<dsc2git_opts>] [--] <archives2git_args>
  23 DESCRIPTION
  24         dsc2git passes the --unpack option to archives2git so that it unpacks
  25         Debian source packages.
  26 OPTIONS
  27         --dpkg-source-args <args>
  28                 Line-separated list of arguments passed to dpkg-source(1).
  29         --help, --helpm
  30 EXAMPLES
  31          $ debsnap dash
  32          $ git init dash-deb.git; cd dash-deb.git
  33          $ IFS=$'\n'
  34          $ dsc2git --dpkg-source-args $'--no-check\n--skip-patches' \
  35              $(ls -1 ../source-dash/*.dsc |grep -v \~bpo |sort -V)
  36 SEE ALSO
  37         archives2git(1), dpkg-source(1)
  38 HelpMessage
  39 }
  40
  41 # options parsing
  42 DPKG_ARGS=
  43 while [ $# -gt 0 ]
  44 do
  45         case $1 in
  46         --dpkg-source-args) shift; DPKG_ARGS=$1 ;;
  47         --help|--helpm) help_message; exit ;;
  48         --) shift; break ;;
  49         *) break ;;
  50           # an unknown option may be an option to archives2git
  51         esac
  52         shift
  53 done
  54
  55 # helper functions
  56 # add single quotes around the string, escaping the single quotes inside it
  57 if ( echo ${var//a/b} ) 2>/dev/null >&2
  58 then
  59 escape_stringeval () {
  60         _q=\'
  61         printf "%s" \'"${@//"'"/${_q}\\${_q}${_q}}"\'
  62 }
  63 elif printf "%q" \' 2>/dev/null >&2
  64 then
  65 escape_stringeval () {
  66         printf "%q" "$@"
  67 }
  68 else
  69 escape_stringeval () {
  70         printf "%s" "$@" |
  71         LC_ALL=C sed "s/'/'\\\\''/g; 1s/^/'/; \$s/\$/'/; s/^''//g; s/\\([^\\]\\)''/\\1/g"
  72 }
  73 fi
  74
  75 OLDIFS=$IFS
  76 IFS='
  77 '
  78 for arg in $DPKG_ARGS
  79 do dpkg_args=$dpkg_args\ $(escape_stringeval "$arg")
  80 done
  81 IFS=$OLDIFS
  82 exec archives2git \
  83   --unpack '(
  84       archcd=$(pwd -P)/
  85       [ x"${arch#./}" = x"$arch" ] && [ x"${arch#../}" = x"$arch" ] && archcd=
  86       cd "$TMPDIR"
  87       dpkg-source -x '"$dpkg_args"' "$archcd$arch"
  88       rm -v *.orig.tar.*
  89     )' \
  90   "$@"