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Make -c only produce output if something is actually done

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This commit is contained in:
Alex Malinovich 2016-08-11 21:04:35 -07:00
commit 439286ba2e
1 changed files with 22 additions and 3 deletions
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plexupdate.sh
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@ -125,8 +125,9 @@ URL_DOWNLOAD_PUBLIC=https://plex.tv/api/downloads/1.json
cronexit() { cronexit() {
# Don't give anything but true error codes if in CRON mode # Don't give anything but true error codes if in CRON mode
rawexit=$1
if [ "${CRON}" = "yes" -a $1 -gt 1 -a $1 -lt 255 ]; then if [ "${CRON}" = "yes" -a $1 -gt 1 -a $1 -lt 255 ]; then
cronexit 0 exit 0
fi fi
exit $1 exit $1
} }
@ -203,6 +204,15 @@ if [ ! -z "${RELEASE}" ]; then
cronexit 255 cronexit 255
fi fi
if [ "${CRON}" = "yes" -a "${QUIET}" = "no" ]; then
# If running in cron mode, redirect STDOUT to temporary file
stdoutlog="$(mktemp)"
exec 3>&1 >"${stdoutlog}"
elif [ "${QUIET}" = "yes" ]; then
# Redirect STDOUT to dev null. Use >&3 if you really, really, REALLY need to print to STDOUT
exec 3>&1 > /dev/null
fi
if [ "${AUTOUPDATE}" = "yes" ]; then if [ "${AUTOUPDATE}" = "yes" ]; then
if ! hash git 2>/dev/null; then if ! hash git 2>/dev/null; then
echo "ERROR: You need to have git installed for this to work" >&2 echo "ERROR: You need to have git installed for this to work" >&2
@ -321,6 +331,11 @@ keypair() {
# Setup an cronexit handler so we cleanup # Setup an cronexit handler so we cleanup
function cleanup { function cleanup {
if [ "${CRON}" = yes -a "${rawexit}" -ne 5 -a -f "${stdoutlog}" ]; then
exec 1>&3
cat "${stdoutlog}"
fi
rm "${stdoutlog}" 2>/dev/null >/dev/null
rm /tmp/postdata 2>/dev/null >/dev/null rm /tmp/postdata 2>/dev/null >/dev/null
rm /tmp/raw 2>/dev/null >/dev/null rm /tmp/raw 2>/dev/null >/dev/null
rm /tmp/failcause 2>/dev/null >/dev/null rm /tmp/failcause 2>/dev/null >/dev/null
@ -398,7 +413,11 @@ if [ "${LISTOPTS}" = "yes" ]; then
elif [ -z "$BUILD" ]; then elif [ -z "$BUILD" ]; then
BUILD="$X" BUILD="$X"
else else
printf "%-12s %-30s %s\n" "$DISTRO" "$BUILD" "$X" if [ "${QUIET}" = "yes" ]; then
printf "%-12s %-30s %s\n" "$DISTRO" "$BUILD" "$X" >&3
else
printf "%-12s %-30s %s\n" "$DISTRO" "$BUILD" "$X"
fi
BUILD= BUILD=
DISTRO= DISTRO=
fi fi
@ -427,7 +446,7 @@ fi
if [ "${PRINT_URL}" = "yes" ]; then if [ "${PRINT_URL}" = "yes" ]; then
if [ "${QUIET}" = "yes" ]; then if [ "${QUIET}" = "yes" ]; then
echo "${DOWNLOAD}" >&5 echo "${DOWNLOAD}" >&3
else else
echo "${DOWNLOAD}" echo "${DOWNLOAD}"
fi fi