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fsadm: fix test of subshell return value

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Subshell is not returning error code value upward thus
error results in this case were actually ignored.
Also add dots to moved error messages.
This commit is contained in:
Zdenek Kabelac 2017-05-09 20:52:15 +02:00
parent 455a4de090
commit 1107d483a2
2 changed files with 13 additions and 6 deletions
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1
WHATS_NEW
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@ -1,5 +1,6 @@
Version 2.02.172 -
===============================
Properly handle subshell return codes in fsadm.
Disallow cachepool creation with policy cleaner and mode writeback.
Version 2.02.171 - 3rd May 2017

18
scripts/fsadm.sh
View File

@ -183,7 +183,8 @@ decode_size() {
detect_fs() {
VOLUME_ORIG=$1
VOLUME=${1/#"${DM_DEV_DIR}/"/}
VOLUME=$("$READLINK" $READLINK_E "$DM_DEV_DIR/$VOLUME") || error "Cannot get readlink \"$1\""
VOLUME=$("$READLINK" $READLINK_E "$DM_DEV_DIR/$VOLUME")
test -n "$VOLUME" || error "Cannot get readlink \"$1\"."
RVOLUME=$VOLUME
case "$RVOLUME" in
# hardcoded /dev since udev does not create these entries elsewhere
@ -192,7 +193,8 @@ detect_fs() {
read </sys/block/${RVOLUME#/dev/}/dev MAJORMINOR 2>&1 || error "Cannot get major:minor for \"$VOLUME\""
;;
*)
STAT=$(stat --format "MAJOR=%t MINOR=%T" ${RVOLUME}) || error "Cannot get major:minor for \"$VOLUME\""
STAT=$(stat --format "MAJOR=%t MINOR=%T" ${RVOLUME})
test -n "$STAT" || error "Cannot get major:minor for \"$VOLUME\"."
eval $STAT
MAJOR=$((0x${MAJOR}))
MINOR=$((0x${MINOR}))
@ -201,7 +203,8 @@ detect_fs() {
esac
# use null device as cache file to be sure about the result
# not using option '-o value' to be compatible with older version of blkid
FSTYPE=$("$BLKID" -c "$NULL" -s TYPE "$VOLUME") || error "Cannot get FSTYPE of \"$VOLUME\""
FSTYPE=$("$BLKID" -c "$NULL" -s TYPE "$VOLUME")
test -n "$FSTYPE" || error "Cannot get FSTYPE of \"$VOLUME\"."
FSTYPE=${FSTYPE##*TYPE=\"} # cut quotation marks
FSTYPE=${FSTYPE%%\"*}
verbose "\"$FSTYPE\" filesystem found on \"$VOLUME\""
@ -257,10 +260,13 @@ detect_device_size() {
# check if blockdev supports getsize64
"$BLOCKDEV" 2>&1 | "$GREP" getsize64 >"$NULL"
if test $? -eq 0; then
DEVSIZE=$("$BLOCKDEV" --getsize64 "$VOLUME") || error "Cannot read size of device \"$VOLUME\""
DEVSIZE=$("$BLOCKDEV" --getsize64 "$VOLUME")
test -n "$DEVSIZE" || error "Cannot read size of device \"$VOLUME\"."
else
DEVSIZE=$("$BLOCKDEV" --getsize "$VOLUME") || error "Cannot read size of device \"$VOLUME\""
SSSIZE=$("$BLOCKDEV" --getss "$VOLUME") || error "Cannot block size read device \"$VOLUME\""
DEVSIZE=$("$BLOCKDEV" --getsize "$VOLUME")
test -n "$DEVSIZE" || error "Cannot read size of device \"$VOLUME\"."
SSSIZE=$("$BLOCKDEV" --getss "$VOLUME")
test -n "$SSSIZE" || error "Cannot read sector size of device \"$VOLUME\"."
DEVSIZE=$(($DEVSIZE * $SSSIZE))
fi
}