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#!/bin/sh
# Copyright (C) 2009 Modestas Vainius <modax@debian.org>
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>
# Tag debian package release
info()
{
echo "pkgkde-vcs: $*"
}
die()
{
info "fatal: $*" >&2
exit 1
}
# Determine VCS type of the repository in the current directory and echo
# its type to standard output.
# Supports Git at the moment
determine_vcs()
{
# VCS might have been requested via program name
local vcs
vcs="`basename "$0"`"
vcs="${vcs##pkgkde-}"
case "$vcs" in
vcs)
if which git > /dev/null && git rev-parse --git-dir >/dev/null 2>/dev/null; then
echo git
return 0
fi
return 1
;;
git)
if which git > /dev/null; then
echo "$vcs"
return 0
fi
return 1
;;
*)
return 1
;;
esac
}
# Determine LIBDIR. Supports both running in-source and installed
# version.
determine_libdir()
{
local libdir
libdir=`dirname $0 2>/dev/null`
if [ -n "$libdir" ] && [ -d "$libdir/vcslib" ]; then
echo "$libdir/vcslib"
return 0
else
libdir="/usr/share/pkg-kde-tools/vcs"
if [ -d "$libdir" ]; then
echo "$libdir"
return 0
fi
fi
return 1
}
# Run the command prompting for confirmation if necessary
runcmd()
{
local ans exitval
if [ -n "$OPT_VERBOSE" ] || [ "$OPT_PROMPT" = "prompt" ]; then
echo "$" "$*" >&2
fi
if [ "$OPT_PROMPT" = "prompt" ]; then
echo -n "Run this command above and all others? (p = prompt next time) [Y/n/p]: "
while true; do
read ans
if [ "$ans" = "Y" ] || [ "$ans" = "y" ] || [ -z "$ans" ]; then
OPT_PROMPT="y"
break
elif [ "$ans" = "p" ] || [ "$ans" = "P" ]; then
break;
elif [ "$ans" = "N" ] || [ "$ans" = "n" ]; then
info "Cancelled by user." >&2
exit 2
else
echo -n "Enter Y (default) or N: "
fi
done
fi
if [ "$OPT_PROMPT" = "n" ]; then
return 0
fi
# Run the command
"$@"
exitval="$?"
if [ "$exitval" -eq "0" ]; then
return 0
else
info "Command failed with $exitval" >&2
exit $exitval
fi
}
_get_deb_field()
{
cat | grep "^$1:" | sed "s/^$1:[[:space:]]*\(.*\)\$/\1/"
}
# Given path to the package root (where debian/ subdirectory is), set some
# informational variables (DEB_* namespace) about the package
get_debian_package_info()
{
local rootdir _pchangelog
rootdir="$1"
if [ -f "$rootdir/debian/changelog" ]; then
_pchangelog="$(dpkg-parsechangelog "-l$rootdir/debian/changelog")"
DEB_VERSION="$(echo "$_pchangelog" | _get_deb_field 'Version')"
if [ -n "$DEB_VERSION" ]; then
DEB_VERSION_WO_EPOCH=$(echo $DEB_VERSION | sed 's/^[[:digit:]]\+://')
else
die "unable to determine package version."
fi
DEB_SOURCE="$(echo "$_pchangelog" | _get_deb_field 'Source')"
DEB_DISTRIBUTION="$(echo "$_pchangelog" | _get_deb_field 'Distribution')"
DEB_URGENCY="$(echo "$_pchangelog" | _get_deb_field 'Urgency')"
else
die "debian/changelog could not be found in $rootdir"
fi
}
is_valid_package_root()
{
test -f "$1/debian/changelog" && test -f "$1/debian/control"
}
is_distribution_valid()
{
local distro
test -n "$1" || distro="$DEB_DISTRIBUTION"
if [ "$(expr match "$distro" '^\(\(stable\|testing\)\(-security\|-proposed-updates\)\|\(lenny\|squeeze\)-backports\|stable\|unstable\|experimental\)$')" = "$distro" ]; then
return 0
fi
return 1
}
# Parse common options
OPT_VERBOSE=
OPT_PROMPT='prompt'
while getopts ":vyn" name; do
case "$name" in
v) OPT_VERBOSE=1 ;;
y) OPT_PROMPT='y' ;;
n) OPT_PROMPT='n' ;;
?) if [ -n "$OPTARG" ]; then OPTIND=$(($OPTIND-1)); fi; break;;
:) die "$OPTARG option is missing a required argument" ;;
esac
done
if [ "$OPTIND" -gt 1 ]; then
shift "$(($OPTIND-1))"
OPTIND=1
fi
# Determine VCS type and source its library script
VCS=$(determine_vcs)
case "$VCS" in
"")
die "unable to determine VCS type or VCS tools (git, svn) are not installed."
;;
*)
# Load VCS script file. Determines LIBDIR in the process
if LIBDIR=$(determine_libdir) && [ $? -eq 0 ]; then
if [ -f "$LIBDIR/$VCS.sh" ]; then
. "$LIBDIR/$VCS.sh"
else
die "$VCS VCS is NOT supported (via $LIBDIR)."
fi
else
die "unable to determine pkgkde-vcs library directory."
fi
;;
esac
exit 0
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