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Last active December 20, 2015 01:19
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# apt-cyg: install tool for cygwin similar to debian apt-get # # Copyright (C) 2005-9, Stephen Jungels # # (http://www.fsf.org/licensing/licenses/gpl.html)
#!/bin/bash
# apt-cyg: install tool for cygwin similar to debian apt-get
#
# Copyright (C) 2005-9, Stephen Jungels
#
# 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 2
# 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.
#
# (http://www.fsf.org/licensing/licenses/gpl.html)
# this script requires some packages
WGET=`which wget 2> /dev/null`
BZIP2=`which bzip2 2> /dev/null`
TAR=`which tar 2> /dev/null`
GAWK=`which awk 2> /dev/null`
if test "-$WGET-" = "--" || test "-$BZIP2-" = "--" || test "-$TAR-" = "--" \
|| test "-$GAWK-" = "--"
then
echo You must install wget, tar, gawk and bzip2 to use apt-cyg.
exit 1
fi
function usage()
{
echo apt-cyg: Installs and removes Cygwin packages.
echo " \"apt-cyg install <package names>\" to install packages"
echo " \"apt-cyg remove <package names>\" to remove packages"
echo " \"apt-cyg update\" to update setup.ini"
echo " \"apt-cyg show\" to show installed packages"
echo " \"apt-cyg find <patterns>\" to find packages matching patterns"
echo " \"apt-cyg describe <patterns>\" to describe packages matching patterns"
echo " \"apt-cyg packageof <commands or files>\" to locate parent packages"
echo "Options:"
echo " --mirror, -m <url> : set mirror"
echo " --cache, -c <dir> : set cache"
echo " --file, -f <file> : read package names from file"
echo " --noupdate, -u : don't update setup.ini from mirror"
echo " --help"
echo " --version"
}
function version()
{
echo "apt-cyg version 0.57"
echo "Written by Stephen Jungels"
echo ""
echo "Copyright (c) 2005-9 Stephen Jungels. Released under the GPL."
}
function findworkspace()
{
# default working directory and mirror
mirror=ftp://mirror.mcs.anl.gov/pub/cygwin
cache=/setup
# work wherever setup worked last, if possible
if test -e /etc/setup/last-cache
then
tmp="`head -1 /etc/setup/last-cache`"
cache="`cygpath -au "$tmp"`"
fi
if test -e /etc/setup/last-mirror
then
mirror="`head -1 /etc/setup/last-mirror`"
fi
mirrordir="`echo "$mirror" | sed -e "s/:/%3a/g" -e "s:/:%2f:g"`"
echo Working directory is $cache
echo Mirror is $mirror
mkdir -p "$cache/$mirrordir"
cd "$cache/$mirrordir"
}
function getsetup()
{
if test "$noscripts" == "0" -a "$noupdate" == "0"
then
touch setup.ini
mv setup.ini setup.ini-save
wget -N $mirror/setup.bz2
if test -e setup.bz2 && test $? -eq 0
then
bunzip2 setup.bz2
mv setup setup.ini
echo Updated setup.ini
else
wget -N $mirror/setup.ini
if test -e setup.ini && test $? -eq 0
then
echo Updated setup.ini
else
mv setup.ini-save setup.ini
echo Error updating setup.ini, reverting
fi
fi
fi
}
function checkpackages()
{
if test "-$packages-" = "--"
then
echo Nothing to do, exiting
exit 0
fi
}
# process options
noscripts=0
noupdate=0
file=""
dofile=0
command=""
filepackages=""
packages=""
while test $# -gt 0
do
case "$1" in
--mirror|-m)
echo "$2" > /etc/setup/last-mirror
shift ; shift
;;
--cache|-c)
cygpath -aw "$2" > /etc/setup/last-cache
shift ; shift
;;
--noscripts)
noscripts=1
shift
;;
--noupdate|-u)
noupdate=1
shift
;;
--help)
usage
exit 0
;;
--version)
version
exit 0
;;
--file|-f)
if ! test "-$2-" = "--"
then
file="$2"
dofile=1
shift
else
echo 1>&2 No file name provided, ignoring $1
fi
shift
;;
update|show|find|describe|packageof|install|remove)
if test "-$command-" = "--"
then
command=$1
else
packages="$packages $1"
fi
shift
;;
*)
packages="$packages $1"
shift
;;
esac
done
if test $dofile = 1
then
if test -f "$file"
then
filepackages="$filepackages `cat "$file" | awk '{printf "%s ", $0}'`"
else
echo File $file not found, skipping
fi
packages="$packages $filepackages"
fi
case "$command" in
update)
findworkspace
getsetup
;;
show)
echo 1>&2 The following packages are installed:
cat /etc/setup/installed.db | awk '/[^ ]+ [^ ]+ 0/ {print $1}'
;;
find)
checkpackages
findworkspace
getsetup
for pkg in $packages
do
echo ""
echo Searching for installed packages matching $pkg:
awk '/[^ ]+ [^ ]+ 0/ {if ($1 ~ query) print $1}' query="$pkg" /etc/setup/installed.db
echo ""
echo Searching for installable packages matching $pkg:
cat setup.ini | awk -v query="$pkg" \
'BEGIN{RS="\n\n@ "; FS="\n"; ORS="\n"} {if ($1 ~ query) {print $1}}'
done
;;
describe)
checkpackages
findworkspace
getsetup
for pkg in $packages
do
echo ""
cat setup.ini | awk -v query="$pkg" \
'BEGIN{RS="\n\n@ "; FS="\n"; ORS="\n"} {if ($1 ~ query) {print $0 "\n"}}'
done
;;
packageof)
checkpackages
for pkg in $packages
do
key=`which "$pkg" 2>/dev/null | sed "s:^/::"`
if test "-$key-" = "--"
then
key="$pkg"
fi
for manifest in /etc/setup/*.lst.gz
do
found=`cat $manifest | gzip -d | grep -c "$key"`
if test $found -gt 0
then
package=`echo $manifest | sed -e "s:/etc/setup/::" -e "s/.lst.gz//"`
echo Found $key in the package $package
fi
done
done
;;
install)
checkpackages
findworkspace
getsetup
for pkg in $packages
do
already=`grep -c "^$pkg " /etc/setup/installed.db`
if test $already -ge 1
then
echo Package $pkg is already installed, skipping
continue
fi
echo ""
echo Installing $pkg
# look for package and save desc file
mkdir -p "release/$pkg"
cat setup.ini | awk > "release/$pkg/desc" -v package="$pkg" \
'BEGIN{RS="\n\n@ "; FS="\n"} {if ($1 == package) {desc = $0; px++}} \
END {if (px == 1 && desc != "") print desc; else print "Package not found"}'
desc=`cat "release/$pkg/desc"`
if test "-$desc-" = "-Package not found-"
then
echo Package $pkg not found or ambiguous name, exiting
rm -r "release/$pkg"
exit 1
fi
echo Found package $pkg
# download and unpack the bz2 file
# pick the latest version, which comes first
install=`cat "release/$pkg/desc" | awk '/^install: / { print $2; exit }'`
if test "-$install-" = "--"
then
echo "Could not find \"install\" in package description: obsolete package?"
exit 1
fi
file=`basename $install`
cd "release/$pkg"
wget -nc $mirror/$install
# check the md5
digest=`cat "desc" | awk '/^install: / { print $4; exit }'`
digactual=`md5sum $file | awk '{print $1}'`
if ! test $digest = $digactual
then
echo MD5 sum did not match, exiting
exit 1
fi
echo "Unpacking..."
cat $file | bunzip2 | tar > "/etc/setup/$pkg.lst" xvf - -C /
gzip -f "/etc/setup/$pkg.lst"
cd ../..
# update the package database
cat /etc/setup/installed.db | awk > /tmp/awk.$$ -v pkg="$pkg" -v bz=$file \
'{if (ins != 1 && pkg < $1) {print pkg " " bz " 0"; ins=1}; print $0} \
END{if (ins != 1) print pkg " " bz " 0"}'
mv /etc/setup/installed.db /etc/setup/installed.db-save
mv /tmp/awk.$$ /etc/setup/installed.db
# recursively install required packages
echo > /tmp/awk.$$ '/^requires: / {s=gensub("(requires: )?([^ ]+) ?", "\\2 ", "g", $0); print s}'
requires=`cat "release/$pkg/desc" | awk -f /tmp/awk.$$`
warn=0
if ! test "-$requires-" = "--"
then
echo Package $pkg requires the following packages, installing:
echo $requires
for package in $requires
do
already=`grep -c "^$package " /etc/setup/installed.db`
if test $already -ge 1
then
echo Package $package is already installed, skipping
continue
fi
apt-cyg --noscripts install $package
if ! test $? = 0 ; then warn=1; fi
done
fi
if ! test $warn = 0
then
echo "Warning: some required packages did not install, continuing"
fi
# run all postinstall scripts
pis=`ls /etc/postinstall/*.sh 2>/dev/null | wc -l`
if test $pis -gt 0 && ! test $noscripts -eq 1
then
echo Running postinstall scripts
for script in /etc/postinstall/*.sh
do
$script
mv $script $script.done
done
fi
echo Package $pkg installed
done
;;
remove)
checkpackages
for pkg in $packages
do
already=`grep -c "^$pkg " /etc/setup/installed.db`
if test $already = 0
then
echo Package $pkg is not installed, skipping
continue
fi
dontremove="cygwin coreutils gawk bzip2 tar wget bash"
for req in $dontremove
do
if test "-$pkg-" = "-$req-"
then
echo apt-cyg cannot remove package $pkg, exiting
exit 1
fi
done
if ! test -e "/etc/setup/$pkg.lst.gz"
then
echo Package manifest missing, cannot remove $pkg. Exiting
exit 1
fi
echo Removing $pkg
# run preremove scripts
if test -e "/etc/preremove/$pkg.sh"
then
"/etc/preremove/$pkg.sh"
rm "/etc/preremove/$pkg.sh"
fi
cat "/etc/setup/$pkg.lst.gz" | gzip -d | awk '/[^\/]$/ {print "rm -f \"/" $0 "\""}' | sh
rm "/etc/setup/$pkg.lst.gz"
rm -f /etc/postinstall/$pkg.sh.done
cat /etc/setup/installed.db | awk > /tmp/awk.$$ -v pkg="$pkg" '{if (pkg != $1) print $0}'
mv /etc/setup/installed.db /etc/setup/installed.db-save
mv /tmp/awk.$$ /etc/setup/installed.db
echo Package $pkg removed
done
;;
*)
usage
;;
esac
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