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|
#!/bin/bash -e
CONFFILE=${PKGBINARYMANGLER_CONF_DIR:-/etc/pkgbinarymangler}/stripfiles.conf
. ${PKGBINARYMANGLER_COMMON_PATH:-/usr/share/pkgbinarymangler}/common
#
# Remove buildinfo files and upstream changelogs; take care to keep native changelogs
#
clean_upstream_changelogs()
{
dch=usr/share/doc/$PKGNAME/changelog.Debian.gz
if [ ! -e "$dch" ] && [ ! -h "$dch" ]; then
dch=usr/share/doc/$PKGNAME/changelog.gz
fi
if [ -d usr/share/doc ]; then
(find usr/share/doc -type f \( -name buildinfo.gz -o -iname 'changelog.*' -o -iname changes -o -iname changes.gz -o -iname '*.changes.gz' \) -a ! -name `basename $dch` ) | while read f; do
echo ".. removing $f"
rm "$f"
[ ! -f DEBIAN/md5sums ] || sed -i "\& $f$&d" DEBIAN/md5sums
done
fi
}
#
# Only keep the topmost ten entries in Debian changelogs. If we truncate, add a
# pointer to apt-get changelog.
#
strip_debian_changelogs()
{
record_sep="^[^ ]+ (.*) .*; urgency"
if [ -e $dch ]; then
record_count=0
changelog=""
gzip -cd $dch | (while read; do
if [[ "$REPLY" =~ $record_sep ]]; then
((++record_count))
if [ "$record_count" -eq 11 ]; then
echo "pkgstripfiles: Truncating changelog to topmost ten records"
echo -e "${changelog}# For older changelog entries, run 'apt-get changelog $PKGNAME'" | gzip -9n > $dch
if [ -f DEBIAN/md5sums ]; then
MD5=`md5sum "$dch"`
sed -i "s%^.* $dch\$%$MD5%" DEBIAN/md5sums
fi
break
fi
fi
changelog="$changelog$REPLY\n"
done)
fi
}
#
# Optimize PNGs
#
optimize_pngs()
{
# skip PNG modification for games; they often rely on their particular image
# format
if [ "${SECTION%games}" != "$SECTION" ]; then
echo "pkgstripfiles: Skipping PNG optimization for package in games section."
return
fi
# also skip when disabling explicitly
if [ -n "$NO_PNG_PKG_MANGLE" ]; then
echo "pkgstripfiles: Disabled PNG optimization for package."
return
fi
# optipng/advancecomp
find -type f -name '*.png' | while read f; do
orig_perms=`stat -c %a "$f"`
if ! optipng -o4 -preserve "$f"; then
echo "WARNING: optipng failed on $f, ignoring" >&2
continue
fi
if ! advpng -z4 "$f"; then
echo "WARNING: advpng failed on $f, ignoring" >&2
continue
fi
# advpng does not keep permissions
chmod "$orig_perms" "$f"
# update md5sum
if [ -f DEBIAN/md5sums ]; then
f=${f#./}
MD5=`md5sum "$f"`
sed -i "s%^.* ${f//%/\%}\$%${MD5//%/\%}%" DEBIAN/md5sums
fi
done
}
#
# Symlink identical documentation to depending packages
#
symlink_doc()
{
if [ -n "$CDBS_NO_DOC_SYMLINKING" -o -n "$NO_DOC_PKG_MANGLE" ]; then
echo "pkgstripfiles: documentation symlinking disabled"
return
fi
# skip if doc dirs are already symlinks
if [ ! -d usr/share/doc -o -h usr/share/doc -o -h usr/share/doc/$PKGNAME ];
then
return
fi
# iterate over all dependencies
for dep in `perl -ne 'if (/^(Pre-)?Depends:/) {s/^\w+://; foreach (split /,/) { @f=split; print($f[0], "\n"); } }' DEBIAN/control`; do
[ -d ../$dep/usr/share/doc ] || continue
# don't replace docs with symlinks to matching files in dependent
# packages when the dependent package is arch: all and the depending
# package isn't; ensures consistency between packages built with -b vs.
# -B, required by multiarch.
readctrl ../$dep/DEBIAN/control Architecture
DEPARCH=$RET
if [ "$ARCHITECTURE" != "$DEPARCH" ] && [ "$DEPARCH" = "all" ];
then
echo "Skipping arch: any to arch: all dependency to $dep"
continue
fi
echo "Searching for duplicated docs in dependency $dep..."
(
r=`pwd`
cd usr/share/doc/$PKGNAME
find -type f ! -name copyright | while read f; do
f=${f#./}
thisfile="$r/usr/share/doc/$PKGNAME/$f"
depfile="$r/../$dep/usr/share/doc/$dep/$f"
if [ -f "$depfile" ] && zcmp "$thisfile" "$depfile" >/dev/null; then
echo " symlinking $f in $PKGNAME to file in $dep"
rm "$thisfile"
ln -s "../$dep/$f" "$thisfile";
[ ! -f $r/DEBIAN/md5sums ] || sed -i "\& usr/share/doc/$PKGNAME/$f$&d" $r/DEBIAN/md5sums
fi
done
)
done
}
#
# main
#
# don't do anything for PPA builds
if [ -f "$BUILDINFO" ]; then
if grep -qs '^Purpose: PPA' "$BUILDINFO"; then
if grep -q '/oem-archive' ${PKGBINARYMANGLER_APT_CONF_DIR:-/etc/apt}/sources.list; then
echo "INFO: Running pkgstripfiles for OEM PPA build"
else
echo "INFO: Disabling pkgstripfiles for PPA build"
exit 0
fi
fi
fi
# find package name
while [ $# -gt 0 ]; do
if [ -f "$1"/DEBIAN/control ]; then
PKGCTL="$1"/DEBIAN/control
break
else
shift
fi
done
if [ -z "$PKGCTL" ]; then
echo "pkgstripfiles: did not find a package name argument or control file, skipping"
exit 0
fi
readctrl $PKGCTL Package
PKGNAME=$RET
readctrl $PKGCTL Section
SECTION=$RET
readctrl $PKGCTL Architecture
ARCHITECTURE=$RET
PKGDIR=$(dirname $(dirname $PKGCTL))
echo "pkgstripfiles: processing control file: $PKGCTL, package $PKGNAME, directory $PKGDIR"
cd "$PKGDIR"
clean_upstream_changelogs
strip_debian_changelogs
symlink_doc
optimize_pngs
|