PN="$(basename $0)"
[ -n "$WORKING_DIR" -a -d "$WORKING_DIR" ] || WORKING_DIR=$(pwd)
VERSION='0.4.1'
+
TIMESTAMP='+%F--%H-%M-%S-%Z'
-TIMESTAMP_NANO='+%F--%H-%M-%S-%N-%Z'
+DATE="$(date $TIMESTAMP)"
-GENERATE_FILE=1
-GENERATE_DIRECTORY=0
+GENERATE_FILE='1'
+GENERATE_DIRECTORY=''
while getopts "hdf" args; do
case "$args" in
-f : Create grml-hwinfo-TIMESTAMP.tar.bz2
-d : Create grml-hwinfo-TIMESTAMP/
--fd : Create both a file and a directory
+-df : Create both, the directory and the file
"
exit 0;;
d)
- GENERATE_FILE=0
- GENERATE_DIRECTORY=1
+ GENERATE_FILE=''
+ GENERATE_DIRECTORY='1'
;;
f) # generating file; default behaviour
- GENERATE_FILE=1
+ GENERATE_FILE='1'
;;
esac
done
-
-TMPDIR=$(mktemp -d) || { echo "Error creating a temporary directory, can not continue. Exiting.">&2 ; exit 1; }
-INFODIR="info"
-
-bailout() {
- [ -d "$TMPDIR" ] && rm -rf "$TMPDIR"
- [ -n "$1" ] && exit 1 || exit 0
-}
-
-DATE="$(date $TIMESTAMP)"
-[ -n "$INFOFILE" ] || INFOFILE="grml-hwinfo-$DATE.tar.bz2"
-INFOFILE="${WORKING_DIR}/${INFOFILE}"
-[ -n "$INFOOUTDIR" ] || INFOOUTDIR="grml-hwinfo-$DATE"
-INFOOUTDIR="${WORKING_DIR}/${INFOOUTDIR}"
+# Generate output/temporary directory name & path, and output file path
+OUTFILE=""
+OUTDIRNAME="grml-hwinfo-${DATE}"
+OUTDIR="${WORKING_DIR}/${OUTDIRNAME}"
+mkdir "${OUTDIR}" || { echo 'Directory "'${OUTDIR}'" already exists, aborting.'>&2 ; exit 1; }
+
+if [ -n "$GENERATE_FILE" ] ; then
+ OUTFILE_="${OUTDIR}.tar.bz2"
+ [ -e "${OUTFILE_}" ] && { echo 'File "'${OUTFILE_}'" already exists, aborting.'>&2 ; rm -r "${OUTDIR}"; exit 1; }
+ OUTFILE=${OUTFILE_}
+ touch "${OUTFILE}"
+fi
if [ "$(id -u)" != "0" ] ; then
NOTROOT=1
echo "Running grml-hwinfo ${VERSION} - collecting hardware information."
-mkdir "${TMPDIR}/${INFODIR}"
-cd "${TMPDIR}/${INFODIR}" || bailout 1
+cd "${OUTDIR}" || exit 1
(
- cd "${TMPDIR}/${INFODIR}"
- [ "$GENERATE_FILE" -gt 0 ] && echo "Generating hardware information report using file $INFOFILE."
- [ "$GENERATE_DIRECTORY" -gt 0 ] && echo "Generating hardware information report using file $INFOOUTDIR."
+ [ -n "$GENERATE_FILE" ] && echo "Output file: $OUTFILE"
+ [ -n "$GENERATE_DIRECTORY" ] && echo "Output directory: $OUTDIR"
echo "This might take a few seconds/minutes. Please be patient..."
# some sysinfo
fi
)
-if [ "$GENERATE_DIRECTORY" -gt 0 ] ; then
- if [ -e "${INFOOUTDIR}" ] ; then
- # falling back onto nanoseconds as tie-breaker
- DATE="$(date $TIMESTAMP_NANO)"
- NEW_INFOOUTDIR="${WORKING_DIR}/grml-hwinfo-$DATE"
- echo
- echo "Warning: $INFOOUTDIR exists already, using $NEW_INFOOUTDIR instead.">&2
- INFOOUTDIR="$NEW_INFOOUTDIR" # adjust variable for final info message
- fi
+echo
- cd "${TMPDIR}"
- cp -ax "${TMPDIR}/info" "${INFOOUTDIR}"
+cd "${WORKING_DIR}"
- echo
- [ -r "$INFOOUTDIR" ] && echo "$INFOOUTDIR has been generated."
- echo
+# create tarball
+if [ -n "$GENERATE_FILE" ] ; then
+ tar jcf "${OUTFILE}" "${OUTDIRNAME}"
+ [ -r "$OUTFILE" ] && echo "$OUTFILE ("$(ls -ahl "$OUTFILE" | awk '{print $5}')") has been generated."
fi
-if [ "$GENERATE_FILE" -gt 0 ] ; then
- # finally create the tarball
- if [ -e "${INFOFILE}" ] ; then
- # falling back onto nanoseconds as tie-breaker
- DATE="$(date $TIMESTAMP_NANO)"
- NEW_INFOFILE="${WORKING_DIR}/grml-hwinfo-$DATE.tar.bz2"
- echo
- echo "Warning: $INFOFILE exists already, using $NEW_INFOFILE instead.">&2
- INFOFILE="$NEW_INFOFILE" # adjust variable for final info message
- fi
-
- cd "${TMPDIR}"
- tar jcf "${INFOFILE}" "${INFODIR}"
- cd "${WORKING_DIR}"
-
- echo
- [ -r "$INFOFILE" ] && echo "$INFOFILE ("$(ls -ahl "$INFOFILE" | awk '{print $5}')") has been generated."
- echo
+# remove (temporary) output directory if needed, else keep it, as it doubles
+# as the real output directory.
+if [ -z "$GENERATE_DIRECTORY" ] ; then
+ rm -r "${OUTDIR}"
+else
+ [ -r "${OUTDIR}" ] && echo "${OUTDIR} has been generated."
fi
-bailout
+exit 0
## END OF FILE##################################################################