File: repack.sh

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gweled 0.9.1-3
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#!/bin/bash

set -e

if [ ! -f "$3" ] && [ ! -f "$1" ]; then
    echo "This script must be run via uscan or by manually specifying the tarball" >&2
    exit 1
fi

tarball=

[ -f "$3" ] && tarball="$3"
[ -z "$tarball" -a -f "$1" ] && tarball="$1"

fname="$(basename "$tarball")"
tarball="$(readlink -f "$tarball")"

tdir="$(mktemp -d)"
trap '[ ! -d "$tdir" ] || rm -r "$tdir"' EXIT

zcat "$tarball" | tar --wildcards --delete '*/autom4te.cache/*' --delete '*/autom4te.cache/' > "$tdir/${fname/.gz}"
#touch -m -r "$tarball" "$tdir/${fname/.gz}"
gzip -9 "$tdir/${fname/.gz}"

mv "$tarball" "$tarball.bkp"
mv "$tdir/$fname" "$tarball"