abs

   1 #!/bin/bash -e
   2 #
   3 #   abs - download a PKGBUILD tree from a CVS repository
   4 #
   5 #   Copyright (c) 2002-2007 by Judd Vinet <jvinet@zeroflux.org>
   6 #
   7 #   This program is free software; you can redistribute it and/or modify
   8 #   it under the terms of the GNU General Public License as published by
   9 #   the Free Software Foundation; either version 2 of the License, or
  10 #   (at your option) any later version.
  11 #
  12 #   This program is distributed in the hope that it will be useful,
  13 #   but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 #   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 #   GNU General Public License for more details.
  16 #
  17 #   You should have received a copy of the GNU General Public License
  18 #   along with this program.  If not, see <http://www.gnu.org/licenses/>.
  19 #
  20
  21 ##
  22 # Script Exit Reasons
  23 # -------------------
  24 #              E_OK : Everything worked :)
  25 # E_MISSING_PROGRAM : A program the script depends on is not installed.
  26 #    E_CONFIG_ERROR : Missing/incorrect configuration.
  27 #  E_INVALID_OPTION : User has passed unknown/invalid option to script.
  28 ##
  29
  30 myver='1.0'
  31 BUG_REPORT_EMAIL='pacman-dev@archlinux.org'
  32 eval CONFDIR="~/abs/conf"
  33 PASSIVE='m'
  34
  35 # Source config files
  36 if [ -r "$CONFDIR/abs.conf" ]; then
  37         source "$CONFDIR/abs.conf"
  38 fi
  39
  40 # User based overrides
  41 if [ -r ~/.abs.conf ]; then
  42         source ~/.abs.conf
  43 fi
  44
  45
  46 msg() {
  47         local mesg=$1; shift
  48         printf "==> ${mesg}\n" "$@" >&2
  49 }
  50
  51 error() {
  52         local mesg=$1; shift
  53         printf  "==> ERROR: ${mesg}\n" "$@" >&2
  54 }
  55
  56
  57 usage() {
  58         printf "abs (pacman) %s - download a PKGBUILD tree from a CVS repository\n\n" "$myver"
  59         printf "Usage %s [options] [repository...]\n\n" "$0"
  60         printf "Options:\n"
  61         printf "  -p, --passive  The connection is opened in passive mode.\n"
  62         echo
  63         printf "  -h, --help     Display this help message then exit.\n"
  64         printf "  -V, --version  Display version information then exit.\n"
  65         echo
  66         printf "\
  67 abs will synchronize build scripts from the CVS repository\n\
  68 into %s. You can follow different package trees by\n\
  69 editing %s files. If no argument is given, abs\n\
  70 will synchronize from supfiles specified in %s.\n\n" \
  71                 "$ABSROOT" "$CONFDIR/supfile.*" "$CONFDIR/abs.conf"
  72         printf "Report bugs to <%s>.\n" "$BUG_REPORT_EMAIL"
  73 }
  74
  75 version() {
  76         printf "abs (pacman) %s\n" "$myver"
  77         printf "\
  78 Copyright (C) 2002-2007 Judd Vinet <jvinet@zeroflux.org>.\n\n\
  79 This is free software; see the source for copying conditions.\n\
  80 There is NO WARRANTY, to the extent permitted by law.\n"
  81 }
  82
  83
  84 ##
  85 # Signal Traps
  86 ##
  87 trap 'error "TERM signal caught. Exiting..."; exit 1' TERM HUP QUIT
  88 trap 'error "Aborted by user! Exiting..."; exit 1' INT
  89 trap 'error "An unknown error has occured. Exiting..."; exit 1' ERR
  90
  91
  92 # Parse Command Line Options.
  93 OPT_SHORT="hpV"
  94 OPT_LONG="help,passive,version"
  95 OPT_TEMP="$(getopt -o "$OPT_SHORT" -l "$OPT_LONG" -n "$(basename "$0")" -- "$@" || echo 'GETOPT GO BANG!')"
  96 if echo "$OPT_TEMP" | grep -q 'GETOPT GO BANG!'; then
  97         # This is a small hack to stop the script bailing with 'set -e'
  98         echo; usage; exit 1 # E_INVALID_OPTION;
  99 fi
 100 eval set -- "$OPT_TEMP"
 101 unset OPT_SHORT OPT_LONG OPT_TEMP
 102
 103 while true; do
 104         case "$1" in
 105                 -p|--passive)  PASSIVE='-';;
 106
 107                 -h|--help)     usage; exit 0;; # E_OK
 108                 -V|--version)  version; exit 0;; # E_OK
 109
 110                 --)            OPT_IND=0; shift; break;;
 111                 *)             usage; exit 1;; # E_INVALID_OPTION
 112         esac
 113         shift
 114 done
 115
 116 if [ $# -gt 0 ]; then
 117         SUPFILES=("$@")
 118 fi
 119
 120
 121 # Check permissions and programs.
 122 if [ ! -d "$ABSROOT" ]; then
 123         error "%s does not exist or is not a directory." "$ABSROOT"
 124         exit 1 # E_CONFIG_ERROR
 125 elif [ ! -w "$ABSROOT" ]; then
 126         error "You do not have write permissions in %s." "$ABSROOT"
 127         exit 1 # E_CONFIG_ERROR
 128 fi
 129
 130
 131 if [ "$(type -p csup)" ]; then
 132         CVSUP="csup"
 133 elif [ "$(type -p cvsup)" ]; then
 134         CVSUP="cvsup"
 135 else
 136         error "Missing CVS synchronization utility. Install csup or cvsup."
 137         exit 1 # E_MISSING_PROGRAM
 138 fi
 139
 140
 141 # Begin script.
 142 for sup in ${SUPFILES[@]}; do
 143         case "$sup" in
 144                 testing)
 145                         if [ ! -d "$ABSROOT/$sup" ]; then
 146                                 mkdir "$ABSROOT/$sup"
 147                         fi
 148                         workdir="$ABSROOT/$sup"
 149                         ;;
 150
 151                 *)
 152                         if [ "$sup" != "${sup#!}" ]; then
 153                                 continue
 154                         fi
 155                         workdir="$ABSROOT"
 156                         ;;
 157         esac
 158
 159         msg "Updating %s..." "$sup"
 160         cd "$workdir"
 161         echo $CVSUP -L 1 -r 0 -g -b "$workdir" -P "$PASSIVE" -c .sup "$CONFDIR/supfile.$sup"
 162         $CVSUP -L 1 -r 0 -g -b "$workdir" -P "$PASSIVE" -c .sup "$CONFDIR/supfile.$sup"
 163 done
 164
 165 exit 0 # E_OK
 166
 167 # vim: set ts=2 sw=2 noet: