mirror of
https://github.com/NixOS/nixpkgs.git
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241 lines
6.4 KiB
Plaintext
Executable File
241 lines
6.4 KiB
Plaintext
Executable File
#!@shell@
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export PATH=@PATH@:$PATH
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export FONTCONFIG_FILE="@FONTCONFIG_FILE@"
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ENCODINGSDIR="@ENCODINGSDIR@"
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FC_LOCKFILE=""
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# Are we caching system fonts or user fonts?
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system=0
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# Are we including OSX font dirs ({/,~/,/System/}Library/Fonts)
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osxfonts=1
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# Do we want to force a recache?
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force=0
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# How noisy are we?
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verbose=0
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# Check if the data in the given directory is newer than its cache
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check_dirty() {
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local dir=$1
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local fontfiles=""
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local retval=1
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# If the dir does not exist, we just exit
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if [[ ! -d "${dir}" ]]; then
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return 1
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fi
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# Create a list of all files in the dir
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# Filter out config / cache files. Ugly... counting down the day until
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# xfs finally goes away
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fontfiles="$(find ${dir}/ -maxdepth 1 -type f | awk '$0 !~ /fonts\..*$|^.*\.dir$/ {print}')"
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# Fonts were deleted (or never there). Kill off the caches
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if [[ -z "${fontfiles}" ]] ; then
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local f
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for f in "${dir}"/fonts.* "${dir}"/encodings.dir; do
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if [[ -f ${f} ]] ; then
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rm -f "${f}"
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fi
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done
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return 1
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fi
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# Force a recache
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if [[ ${force} == 1 ]] ; then
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retval=0
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fi
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# If we don't have our caches, we are dirty
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if [[ ! -f "${dir}/fonts.list" || ! -f "${dir}/fonts.dir" || ! -f "${dir}/encodings.dir" ]]; then
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retval=0
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fi
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# Check that no files were added or removed....
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if [[ "${retval}" -ne 0 && "$(cat ${dir}/fonts.list)" != "${fontfiles}" ]] ; then
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retval=0
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fi
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# Check that no files were updated....
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if [[ "${retval}" -ne 0 ]] ; then
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local changed="$(find ${dir}/ -type f -cnewer ${dir}/fonts.dir | awk '$0 !~ /fonts\..*$|^.*\.dir$/ {print}')"
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if [[ -n "${changed}" ]] ; then
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retval=0
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fi
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fi
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# Recreate fonts.list since something changed
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if [[ "${retval}" == 0 ]] ; then
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echo "${fontfiles}" > "${dir}"/fonts.list
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fi
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return ${retval}
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}
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get_fontdirs() {
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local d
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if [[ $system == 1 ]] ; then
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if [[ $osxfonts == 1 ]] ; then
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find {/System/,/}Library/Fonts -type d
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fi
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else
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if [[ $osxfonts == 1 && -d "${HOME}/Library/Fonts" ]] ; then
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find "${HOME}/Library/Fonts" -type d
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fi
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if [[ -d "${HOME}/.fonts" ]] ; then
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find "${HOME}/.fonts" -type d
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fi
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fi
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}
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setup_fontdirs() {
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local x=""
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local fontdirs=""
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local changed="no"
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umask 022
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if [[ $system == 1 ]] ; then
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echo "font_cache: Scanning system font directories to generate X11 font caches"
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else
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echo "font_cache: Scanning user font directories to generate X11 font caches"
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fi
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OIFS=$IFS
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IFS='
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'
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for x in $(get_fontdirs) ; do
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if [[ -d "${x}" ]] && check_dirty "${x}" ; then
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if [[ -z "${fontdirs}" ]] ; then
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fontdirs="${x}"
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else
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fontdirs="${fontdirs}${IFS}${x}"
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fi
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fi
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done
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if [[ -n "${fontdirs}" ]] ; then
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echo "font_cache: Making fonts.dir for updated directories."
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for x in ${fontdirs} ; do
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if [[ $verbose == 1 ]] ; then
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echo "font_cache: ${x}"
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fi
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# First, generate fonts.scale for scaleable fonts that might be there
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@MKFONTSCALE@ \
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-a $ENCODINGSDIR/encodings.dir \
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-a $ENCODINGSDIR/large/encodings.dir \
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-- ${x}
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# Next, generate fonts.dir
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if [[ $verbose == 1 ]] ; then
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@MKFONTDIR@ \
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-e $ENCODINGSDIR \
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-e $ENCODINGSDIR/large \
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-- ${x}
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else
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@MKFONTDIR@ \
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-e $ENCODINGSDIR \
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-e $ENCODINGSDIR/large \
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-- ${x} > /dev/null
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fi
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done
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fi
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IFS=$OIFS
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# Finally, update fontconfig's cache
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echo "font_cache: Updating FC cache"
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if [[ $system == 1 ]] ; then
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@FC_CACHE@ -s \
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$([[ $force == 1 ]] && echo "-f -r") \
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$([[ $verbose == 1 ]] && echo "-v")
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else
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@FC_CACHE@ \
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$([[ $force == 1 ]] && echo "-f -r") \
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$([[ $verbose == 1 ]] && echo "-v")
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fi
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echo "font_cache: Done"
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}
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do_usage() {
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echo "font_cache [options]"
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echo " -f, --force : Force cache recreation"
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echo " -n, --no-osxfonts : Just cache X11 font directories"
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echo " (-n just pertains to XFont cache, not fontconfig)"
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echo " -s, --system : Cache system font dirs instead of user dirs"
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echo " -v, --verbose : Verbose Output"
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}
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cleanup() {
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[[ -r "${FC_LOCKFILE}" ]] && rm -f "${FC_LOCKFILE}"
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exit 1
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}
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while [[ $# -gt 0 ]] ; do
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case $1 in
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-s|--system) system=1 ;;
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-f|--force) force=1 ;;
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-v|--verbose) verbose=1 ;;
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-n|--no-osxfonts) osxfonts=0 ;;
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--help) do_usage ; exit 0 ;;
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*) do_usage ; exit 1 ;;
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esac
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shift
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done
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if [[ $system == 1 ]] ; then
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FC_LOCKFILE="/tmp/font_cache.$UID.lock"
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elif [[ -w "${TMPDIR}" ]] ; then
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FC_LOCKFILE="${TMPDIR}/font_cache.lock"
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elif [[ -w "/tmp" ]] ; then
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FC_LOCKFILE="/tmp/font_cache.$UID.lock"
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else
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FC_LOCKFILE="${HOME}/.font_cache.lock"
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fi
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if [[ -x /usr/bin/lockfile ]] ; then
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if /usr/bin/lockfile -r 0 -l 240 -s 4 -! "${FC_LOCKFILE}" ; then
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echo "font_cache is already running." >&2
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echo "If you believe this to be erroneous, please remove ${FC_LOCKFILE}." >&2
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exit 1
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fi
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else
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if [[ -r "${FC_LOCKFILE}" ]] ; then
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read OLD_PID < "${FC_LOCKFILE}"
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if kill -0 ${OLD_PID} >& /dev/null ; then
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echo "font_cache is already running with PID ${OLD_PID}." >&2
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echo "If you believe this to be erroneous, please remove ${FC_LOCKFILE}." >&2
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exit 1
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fi
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echo "Removing stale ${FC_LOCKFILE}" >&2
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rm -f "${FC_LOCKFILE}"
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fi
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echo $$ > "${FC_LOCKFILE}"
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if [[ ! -r "${FC_LOCKFILE}" ]] ; then
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echo "Unable to write to ${FC_LOCKFILE}." >&2
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exit 1
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fi
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# Now make sure we didn't collide mid-air
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read OLD_PID < "${FC_LOCKFILE}"
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if [[ $$ != ${OLD_PID} ]] ; then
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echo "font_cache is already running with PID ${OLD_PID}." >&2
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exit 1
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fi
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fi
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trap cleanup SIGINT SIGQUIT SIGABRT SIGTERM
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setup_fontdirs
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rm -f "${FC_LOCKFILE}"
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