ghc/ghc-doc-index.cron
Jens Petersen 04dec3dc5e move package cache file for doc cronjob to /var (#664850)
Also cache long listing to notice library rebuilds.
2010-12-30 11:06:23 +09:00

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#! /bin/bash
if [ -e /etc/sysconfig/ghc-doc-index ]; then
. /etc/sysconfig/ghc-doc-index
fi
if [ "$CRON" = "no" ]; then
exit 0
fi
LOCKFILE=/var/lock/ghc-doc-index.lock
# the lockfile is not meant to be perfect, it's just in case the
# two cron scripts get run close to each other to keep
# them from stepping on each other's toes.
[ -f $LOCKFILE ] && exit 0
trap "{ rm -f $LOCKFILE ; exit 255; }" EXIT
touch $LOCKFILE
PKGDIRCACHE=/var/lib/ghc/pkg-dir.cache
LISTING="env LANG=C ls -dl"
# only re-index ghc docs when there are changes
cd /usr/share/doc/ghc/html/libraries
if [ -r "$PKGDIRCACHE" ]; then
$LISTING */ > $PKGDIRCACHE.new
DIR_DIFF=$(diff $PKGDIRCACHE $PKGDIRCACHE.new)
else
$LISTING */ > $PKGDIRCACHE
fi
if [ -x "gen_contents_index" -a ! -r "$PKGDIRCACHE.new" -o -n "$DIR_DIFF" ]; then
./gen_contents_index --batch
fi
if [ -f $PKGDIRCACHE.new ]; then
mv -f $PKGDIRCACHE{.new,}
fi
exit 0