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From: Christopher Cobb <ccobb AT email DOT com>
Subject: Re: non-interactive cygwin setup
Date: Fri, 15 Oct 2004 17:17:53 +0000 (UTC)
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Message-ID: <loom.20041015T190552-740@post.gmane.org>
References: <pan DOT 2004 DOT 10 DOT 13 DOT 07 DOT 31 DOT 31 DOT 327996 AT hochreiter DOT at>
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Rainer Hochreiter <rainer <at> hochreiter.at> writes:

> 
> is there a chance to install cygwin without gui dialog?
> 
> my plan is to download all needed packages into a local directory
> and then install the packages from that local directory by starting
> setup from a command line without further user interaction.
> 

Here is a script that I use over ssh.  It has not been exhaustively tested but
seems to work for the light duty I have put it through so far.  

Every now and then setup.exe seems to hang.  Since I'm logged in over ssh, I
can't tell if maybe setup.exe has put up a dialog and is waiting for user input.
 My normal response is to make sure the desired application has been installed,
and then give setup.exe a "generous" amount of time to finish up.  If it still
hasn't returned, I kill it.

The other caveat is that when you run this script, in addition to installing the
requested packages, it upgrades all of your packages to their latest versions. 
This may or may not be good for you.

--- begin installCygwinPackages.sh ---
#!/bin/sh
#
# This script allows you to install a cygwin package from the command line.
#
# Usage: installCygwinPackages.sh <package1> ... <packageN>
#
# It assumes that packages are at /packages and that setup.exe is somewhere
# in the path (like /usr/local/bin).
#
# It works by inserting fake package entries with a zeroed out versions
# into installed.db, then running setup.exe.
#
# Unfortunately, setup.exe insists on popping up a progress window
# on the local system.
#
# WARNING: any currently installed packages will also be updated.  (How can 
# these be pinned?)
# 
# Thanks to Max Bowsher for the idea.
#
# Author: -c-c-o-b-b-a-t-e-m-a-i-l-d-o-t-c-o-m-
#

PACKAGES_DIR=/packages # adjust this for your installation

scriptName=`basename $0`

[ "$#" = "0" ] && {
   echo>&2 "$scriptName: No packages specified."
   echo>&2 "Usage: $scriptName <packageName> ... "
   exit 1
}

# most recently used install site dir
INSTALL_SITE_DIR=$PACKAGES_DIR/`cd $PACKAGES_DIR && cat /etc/setup/last-mirror |
                                sed -e 's@:@%3a AT g' -e 's@/@%2f AT g' |
                                xargs ls -td | head -1`

# argument for setup, is this necessary?
INSTALL_SITE=`echo $INSTALL_SITE_DIR | sed -e 's@%3a@:@g' -e 's@%2f@/@g' |
                                       sed -e 's|\([^/]\)/[^/].*|\1|'`

SETUP_INI=$INSTALL_SITE_DIR/setup.ini
INSTALLED_DB=/etc/setup/installed.db

# backup installed.db
INSTALLED_DB_BACKUP=$INSTALLED_DB.`date +%F_%H_%M_%S`
cp $INSTALLED_DB $INSTALLED_DB_BACKUP

# check dependencies and normalize list of packages to install
_packagesToInstall()
{
    for pkgName
    do
        # make sure package exists
        grep -q "^@ $pkgName$" $SETUP_INI || {
            echo>&2 $scriptName: NOT FOUND: package: $pkgName
            continue
        }
        grep -q "^$pkgName " $INSTALLED_DB && continue
        echo $newPackages | tr " " "\n" | grep -q "^$pkgName$" && continue
        newPackages="$newPackages $pkgName"
        echo $pkgName

        # check dependencies
        requiredPkgs=`awk < $SETUP_INI '
/@ / {
    pkgName=$2
}
pkg == pkgName &&
/requires: / {
    num=split($0,arrPkgs," ")
    for (i=2; i<=num; ++i)
        printf arrPkgs[i] " "
}
' pkg=$pkgName
`
        _packagesToInstall $requiredPkgs
    done
}
packagesToInstall()
{
     newPackages=""
    _packagesToInstall $*
}

packages=`packagesToInstall "$@"`
[ "$packages" ] && {

# add zero-version packages to $INSTALLED_DB
for pkgName in $packages
do
    pkgFileName=`
awk < $SETUP_INI '
/@ / {
    pkgName=$2
}
pkg == pkgName &&
/install: / {
    num=split($2,arrFile,"/")
    pkgFile=arrFile[num]
    hyphenOffset=index(pkgFile,"-")
    verLength=index(pkgFile,".tar.") - hyphenOffset
    pkgSuffix=substr(pkgFile, hyphenOffset + verLength)
    if (hyphenOffset != 0)
    {
        pkgPrefix=substr(pkgFile, 0, hyphenOffset)
        print pkgPrefix "0" pkgSuffix
    }
    else
    {
        pkgPrefix=substr(pkgFile, 0, verLength-1)
        print pkgPrefix "-0" pkgSuffix
    }
    pkgPrinted="true"
    exit
}
END{
    if (pkgPrinted != "true") print pkgFile
}
' pkg=$pkgName
`
    echo $pkgName $pkgFileName 0 |
        cat $INSTALLED_DB - | sort -uf > $INSTALLED_DB.tmp &&
    mv $INSTALLED_DB.tmp $INSTALLED_DB
done

echo>&2 $scriptName: installing: $packages
setup -D -L -s $INSTALL_SITE -R `cygpath -m /` -q -n
}
---  end  installCygwinPackages.sh ---



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