source: trunk/debathena/third/common/debathenificator.sh @ 23217

# Interface: define variables name, daversionappend, and function
# hack_package ().

set -e

: ${DEBATHENA_APT=/mit/debathena/apt}

# Process arguments.
dist_arch=$1; shift
a=
if [ "$1" = "-A" ]; then a=-A; shift; fi
chroot=$dist_arch-sbuild

if [ -z "$dist_arch" -o $# -eq 0 ]; then
    echo 'No arguments!' >&2
    exit 2
fi

dist=$(echo "$dist_arch" | sed 's/^\(.*\)-\([^-]*\)$/\1/')
arch=$(echo "$dist_arch" | sed 's/^\(.*\)-\([^-]*\)$/\2/')
: ${section=debathena-system}

# Create a chroot and define functions for using it.
sid=$(schroot -b -c "$chroot")
trap 'schroot -e -c "$sid"' EXIT
sch() { schroot -r -c "$sid" -- "$@"; }           # Run in the chroot
schq() { schroot -q -r -c "$sid" -- "$@"; }       # Run in the chroot quietly
schr() { schroot -r -c "$sid" -u root -- "$@"; }  # Run in the chroot as root
schr apt-get -qq -y update || exit 3

munge_sections () {
    perl -0pe "s/^Section: /Section: $section\\//gm or die" -i debian/control
}

add_changelog () {
    if [ -n "$dch_done" ]; then
        dch "$@"
    else
        echo | dch -v"${daversion}" -D unstable "$@"
        dch_done=1
    fi
}

append_description () {
    perl -0pe 'open THREE, "</dev/fd/3"; $x = <THREE>; s/(^Description:.*\n( .*\S.*\n)*)/$1$x/gm or die' -i debian/control 3<&0
}

add_build_depends () {
    perl -0pe 's/^(Build-Depends:.*(?:\n[ \t].*)*)$/$1, '"$1"'/m or die' -i debian/control
}

add_debathena_provides () {
    perl -0pe 's/^(Package: (.*)\n(?:(?!Provides:).+\n)*)(?:Provides: (.*)\n((?:.+\n)*))?(?=\n|\z)/$1Provides: $3, debathena-$2\n$4/mg or die; s/^Provides: , /Provides: /mg' -i debian/control
    add_changelog "Provide debathena-$name."
}

cmd_source () {
    if [ "$a" != "-A" ]; then
        echo "Not building source package for $dist_arch." >&2
        return
    fi
    echo "Building source for $name-$daversion on $dist_arch" >&2
    
    if ! [ -e "${name}_$version.dsc" ]; then
        sch apt-get -d source "$name"
    fi
    
    if ! [ -e "${name}_$daversion.dsc" ]; then
        (
            tmpdir=$(mktemp -td "debathenify.$$.XXXXXXXXXX")
            trap 'rm -rf "$tmpdir"' EXIT
            origversion=$(echo "$version" | sed 's/-[^-]*$//')
            cp -a "${name}_$origversion.orig.tar.gz" "$tmpdir/"
            dscdir=$(pwd)
            cd "$tmpdir/"
            dpkg-source -x "$dscdir/${name}_$version.dsc" "$tmpdir/$name-$origversion"
            cd "$tmpdir/$name-$origversion"
            dch_done=
            hack_package
            [ -n "$dch_done" ]
            schr apt-get -q -y install devscripts pbuilder
            schr /usr/lib/pbuilder/pbuilder-satisfydepends
            sch debuild -S -sa -us -uc -i -I.svn && cp -a "../${name}_$daversion"* "$dscdir"
        )
        [ $? -eq 0 ] || exit 1
        
        if [ -n "$DA_CHECK_DIFFS" ]; then
            interdiff -z "${name}_$version.diff.gz" "${name}_$daversion.diff.gz" | \
                enscript --color --language=ansi --highlight=diffu --output=- -q | \
                less -R
            echo -n "Press Enter to continue: " >&2
            read dummy
        fi
    fi
}

cmd_binary () {
    sbuildhack "$dist_arch" $a "${name}_$daversion.dsc"
}

v () {
    echo "$@"
    "$@"
}

cmd_upload () {
    REPREPRO="v reprepro -Vb $DEBATHENA_APT"
    REPREPROI="$REPREPRO --ignore=wrongdistribution --ignore=missingfield"

    . /mit/debathena/bin/debian-versions.sh
    tag=$(gettag $dist)

    if [ "$a" = "-A" ]; then
        $REPREPROI include "$dist" "${name}_${daversion}_source.changes"
    fi
    $REPREPRO include "$dist" "${name}_${daversion}${tag}_${arch}.changes"
}

version=$(
    sch apt-cache showsrc "$name" | \
        sed -n 's/^Version: \(.*\)$/\1/ p' | (
        version='~~~'
        while read -r newversion; do
            if [ $(expr "$newversion" : '.*debathena') = 0 ] && \
                dpkg --compare-versions "$newversion" '>' "$version"; then
                version=$newversion
            fi
        done
        if [ "$version" = '~~~' ]; then
            echo "No version of $name found." >&2
            exit 1
        fi
        echo "$version"
        )
    )
daversion=$version$daversionappend

# Look for binary packages built from the named package with the right
# version, and exit out if we find one (an architecture-specific one
# if we weren't run with the -A flag).  We need to look for either a
# Source: or a Package: header matching $name since there is no
# Source: header for a package whose name matches its source.
pkgfile=$DEBATHENA_APT/dists/$dist/$section/binary-$arch/Packages.gz
if { zcat "$pkgfile" | \
    dpkg-awk -f - "Package:^$name\$" "Version:^$daversion~" -- Architecture;
    zcat "$pkgfile" | \
    dpkg-awk -f - "Source:^$name\$" "Version:^$daversion~" -- Architecture; } \
    | if [ "$a" = "-A" ]; then cat; else fgrep -vx 'Architecture: all'; fi \
    | grep -q .; then
    echo "$name $daversion already exists for $dist_arch." >&2
    exit 0
fi

for cmd; do
    "cmd_$cmd"
done