yum-upload

#! /bin/bash
# Uploads a binary distribution to a yum(1) repository.  The distribution is
# read from the standard input stream.
#
# Usage: $0 distro
#
# where:
#     distro    Relative path to the distribution from the directory containing
#		this script. The name component of the file must have the form
#
#		    <name>-<version>[-<release>].<cpu>.rpm
#
#		where:
#		    <name>      Package name (e.g., "udunits")
#		    <version>   Package version (e.g., "2.2.3")
#		    <release>   Optional package release number (e.g., "4").
#		                Ignored.
#		    <cpu>       Package CPU (e.g., "x86_64")

set -e  # Exit on error

distro=${1:?Distribution not specified}

# Assume that this script is in the root-directory of the complete binary
# repository and go to it.
#
cd `dirname $0`

# Vet and parse the distribution's filename.
#
repoDir=`dirname "$distro"`
distroName=`basename "$distro"`
if ! echo $distroName | egrep -q '[^-]+-[0-9.]+(-[0-9]+)?\.[^.]+\.rpm';
then
    echo 1>&2 "Invalid distribution name: \"$distroName\""
    exit 1
fi
set `echo "$distroName" | 
        sed -r 's/([^-]+-[0-9.]+)(-[0-9]+)?\.([^.]+)\.rpm/\1 \3/'`
pkgId=$1
pkgCpu=$2

# Ensure that the repository directory exists and go to it.
#
test -d $repoDir || mkdir -p $repoDir
pushd $repoDir

# Glob pattern for all releases of the same version of the same package in the
# repository directory:
#
releaseGlob=$pkgId-*.$pkgCpu.rpm 

# Determine what the next release number should be.
#
if prevRelease=`ls $releaseGlob 2>/dev/null | 
        sed -r "s/$pkgId-([0-9]*)\.$pkgCpu\.rpm/\1/"`; then
    pkgRelease=$(($prevRelease+1))
else
    pkgRelease=1
fi

# Copy the distribution to the repository file.
#
distroPath=$pkgId-$pkgRelease.$pkgCpu.rpm
cat >$distroPath

# Delete all previous releases of the same version of the same package.
#
rm -f `ls $releaseGlob | fgrep -v $distroPath`

# Go to the root-directory of the complete binary repository.
#
popd

# Create a yum(1) repository in the repository directory.
#
createrepo $repoDir

# Copy the yum(1) repository to the publicly-accessible repository computer.
#
rsync --archive --relative --delete $repoDir www:/web/content/repos/yum