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#!/bin/bash
# Copyright 2011 Peter Palfrader
#
# Permission is hereby granted, free of charge, to any person obtaining
# a copy of this software and associated documentation files (the
# "Software"), to deal in the Software without restriction, including
# without limitation the rights to use, copy, modify, merge, publish,
# distribute, sublicense, and/or sell copies of the Software, and to
# permit persons to whom the Software is furnished to do so, subject to
# the following conditions:
#
# The above copyright notice and this permission notice shall be
# included in all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
# LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
# OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
set -u
set -e
get_bp_info() {
local target="$1"; shift
local key="$1"; shift
local result=$(awk '$1 == "'"$target"'" {print}' << 'EOF'
#arg versiontag #tilde changelogdist
sarge sarge 5
etch etch 4
lenny lenny 3
squeeze squeeze 2
wheezy wheezy 1
sarge-bpo bpo31 1 sarge-backports
etch-bpo bpo40 1 etch-backports
lenny-bpo bpo50 1 lenny-backports
squeeze-bpo bpo60 1 squeeze-backports
dapper dapper 1
edgy edgy 1
feisty feisty 1
gutsy gutsy 1
hardy hardy 1
intrepid intrepid 1
jaunty jaunty 1
karmic karmic 1
lucid lucid 1
maverick maverick 1
EOF
)
if [ -z "$result" ] ; then
echo >&2 "Do not now about target '$target'."
exit 1
fi
set "nothing" $result
shift
if [ "$#" != "3" ] && [ "$#" != "4" ]; then
echo >&2 "Bad result line for '$target': '$result'."
exit 1
fi
shift
case "$key" in
versiontag) echo "$1" ;;
tilde) echo "$2" ;;
changelogdist) echo "${3:-}" ;;
*)
echo >&2 "Invalid key '$key'"
exit 1
esac
return 0
}
if [ "$#" != "1" ]; then
echo >&2 "Usage: $0 <backporttarget>"
exit 1
fi
target="$1"
versiontag=$(get_bp_info "$target" versiontag)
tildenum=$(get_bp_info "$target" tilde)
tildes=""
while [ "$tildenum" -gt 0 ]; do
tildes="$tildes~"
tildenum=$((tildenum-1))
done
cldist=$(get_bp_info "$target" changelogdist)
currentdist=$(dpkg-parsechangelog | grep-dctrl -n -s Distribution '')
if [ -z "$currentdist" ]; then
echo >&2 "Cannot figure out current distribution"
exit 1
fi
currentver=$(dpkg-parsechangelog | grep-dctrl -n -s Version '')
#currentupstream="${currentver%-*}"
#currentdebian="${currentver##*-}"
newver="$currentver$tildes$versiontag+1"
if [ -z "$cldist" ]; then
if [ "$currentdist" = "experimental" ]; then
cldist="experimental-$target-backport"
else
cldist="$target-backport"
fi
fi
dch \
--newversion "$newver" --allow-lower-version \
--distribution "$cldist" --force-distribution \
"Build for $cldist."
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