39 lines
894 B
Bash
Executable File
39 lines
894 B
Bash
Executable File
#!/bin/sh
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LOCKFILE=/var/lock/ghc-doc-index.lock
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# the lockfile is not meant to be perfect, it's just in case
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# two cron scripts get run close to each other to keep
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# them from stepping on each other's toes.
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if [ -f $LOCKFILE ]; then
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echo "Locked with $LOCKFILE"
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exit 0
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fi
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if [ "$(id -u)" != "0" ]; then
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echo Need to be root!
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exit 1
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fi
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trap "{ rm -f $LOCKFILE ; exit 255; }" EXIT
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touch $LOCKFILE
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PKGDIRCACHE=/var/lib/ghc/pkg-dir.cache
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LISTING="env LANG=C ls -dl"
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# only re-index ghc docs when there are changes
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cd /usr/share/doc/ghc/html/libraries
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if [ -r "$PKGDIRCACHE" ]; then
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$LISTING */ > $PKGDIRCACHE.new
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DIR_DIFF=$(diff $PKGDIRCACHE $PKGDIRCACHE.new)
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else
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$LISTING */ > $PKGDIRCACHE
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fi
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if [ -x "gen_contents_index" -a ! -r "$PKGDIRCACHE.new" -o -n "$DIR_DIFF" ]; then
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./gen_contents_index
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fi
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if [ -f $PKGDIRCACHE.new ]; then
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mv -f $PKGDIRCACHE.new $PKGDIRCACHE
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fi
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