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#!@SHELL@
name='@name@'
ver='0.7.3'
# Copyright (C) 2009 Luke Shumaker
#
# This file is part of rvs.
#
# rvs 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 2, or (at your option) any later version.
#
# rvs 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 rvs; see the file COPYING.
# If not, write to the Free Software Foundation,
# 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
RVS="$0" #RVS="@rvs@"
libexecdir="@libexecdir@/$name"
_error() {
echo "$name: $1" >> /dev/stderr
exit 1
}
_repo() {
repo=".$name"
pwd=`pwd`
owd="$pwd"
while [ "$pwd" != "`pwd`" ] && [ ! -e "`pwd`/$repo" ]; do
pwd=`pwd`
cd ..
done
if [ -e "`pwd`/$repo" ]; then
echo "`pwd`/$repo"
else
_error "no $name repository found"
fi
cd "$owd"
}
_init() {
repo=`_repo 2> /dev/null`
if [ -z "$repo" ]; then
repo=".$name"
install -d "$repo"
install -T $libexecdir/plugins $repo/plugins
while read plugin; do
echo "initializing plugin \`$plugin'"
install -d "$repo/$plugin"
export REPO=.rvs/$plugin
if [ -e "$libexecdir/$plugin/init" ]; then
"$libexecdir/$plugin/init"
fi
done < $repo/plugins
else
_error "repository already exists at \`$repo'"
fi
}
_install() {
id=$1
dir=${2-$id}
name=`echo $id | sed 's/-.*$//'`
if (grep "^$name-" "$libexecdir/plugins" &> /dev/null); then
# an entry for this plugin already exists, though possibly a
# different version
sed -i "s/^$name-.*$/$id/" "$libexecdir/plugins"
else
echo "$id" >> "$libexecdir/plugins"
fi
rm -rf "$libexecdir/$id"
cp -rpT "$dir" "$libexecdir/$id"
}
_uninstall() {
id=$1
sed -i "/^$id$/ d" "$libexecdir/plugins"
rm -rf "$libexecdir/$id"
}
_treebranch() {
branch="$1"
for com in "$branch"; do
var="r_$com"
if [ -z "\$$var" ]; then
exec r$var="`$libexecdir/$com $param`"
var="_$com"
_treebranch "\$$var"
else
_error "plugin dependancy loop detected"
fi
done
}
_runcom() {
com="$1"
tmp_mast="`tempfile`"
# bash optimized version
#grep -E "^$com(:.*)?$" "$libexecdir/*/plugin.conf" | sed \
# -e 's/\#.*//' \
# -e "s:^${libexecdir//':'/'\:'}/::" \
# -e 's@plugin.conf\:@@' > "$tmp_mast"
# POSIX version
grep -E "^$com(:.*)?$" $libexecdir/*/plugin.conf | sed \
-e 's/\#.*//' \
-e "s:^`echo "$libexecdir" |sed 's@:@\\:@g'`/::" \
-e 's@plugin.conf\:@@' > "$tmp_mast"
# start processing-------------------------------------------
if [ "`wc -c < "$tmp_mast"`" = '0' ]; then
_error "unrecognized command \`$com'"
else
# create tree
tmp_work="`tempfile`"
lev1="`sed \
-e "/\:/w '$tmp_work'" \
-e '/\:/d' "$tmp_mast"`"
while read line; do
com="`echo "$line" | sed 's/\:.*$/'`"
dep="_`echo "$line" | sed 's/.*\:$/'`"
# bash optimized version
# eval $dep=\"${!dep} $com\"
# POSIX version
eval $dep=\"\$$dep $com\"
done < "$tmp_work"
rm "$tmp_work"
# cycle through tree
_treebranch "$lev1"
fi
rm "$tmp_mast"
}
# START OPTION HANDLING #
com=$1;
# END OPTION HANDLING #
case "$com" in
'') _error 'no command specified';;
# 'repo') _repo; exit $?;;
'init') _init; exit $?;;
'install') shift; _install $@; exit $?;;
'uninstall') shift; _uninstall $@; exit $?;;
*) repo=`_repo`
if [ "$?" = '0' ]; then
shift
param="$@"
_runcom
exit $?
else
_error "cannot find an existing repository"
fi
:;;
esac
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