Download RPM packages and all dependencies from Yum repo.

yum-package-deps-downloader.sh

#!/bin/bash -e

BASEDIR="$PWD"
OUTDIR="$BASEDIR/repo"
INSTALLROOTDIR="$BASEDIR/installroot"
REPOSDIR="$INSTALLROOTDIR/etc/yum.repos.d"
CACHEDIR="$INSTALLROOTDIR/var/cache/yum"

CONFIGFILE="$INSTALLROOTDIR/yum.conf"
LOGFILE="$OUTDIR/yum.log"
REPOFILE="$REPOSDIR/config.repo"

if [[ "$@" ]]; then
    PACKAGES="$@"
else
    echo "Error: No packages to download."
    echo ""
    echo "Usage: "$0" <rpm-package-1 rpm-package-2>"
    echo ""
    exit 1
fi

rm -rf "$OUTDIR" && mkdir -p "$OUTDIR"
rm -rf "$REPOSDIR" && mkdir -p "$REPOSDIR"
rm -rf "$CACHEDIR" && mkdir -p "$CACHEDIR"

cat > "$CONFIGFILE" << EOF
[main]
cachedir="$CACHEDIR"
keepcache=0
debuglevel=2
logfile="$LOGFILE"
gpgcheck=1
plugins=0
exclude=*.i386 *.i586 *.i686
EOF

cat > "$REPOFILE" << EOF
[centos-7-os]
name=centos-7-os
baseurl=https://mirrors.kernel.org/centos/7/os/x86_64/

[centos-7-updates]
name=centos-7-updates
baseurl=https://mirrors.kernel.org/centos/7/updates/x86_64/
EOF

yumdownloader "$PACKAGES" \
    --resolve \
    --config="$CONFIGFILE" \
    --installroot="$INSTALLROOTDIR" \
    --destdir="$OUTDIR"

createrepo "$OUTDIR"

# EOF