X-Git-Url: https://zdv2.bktei.com/gitweb/EVA-2020-02.git/blobdiff_plain/cfc25c901c3f27406a7bca2952815eb34e32edc0..0f4d2d909b8f4ed7ffa601164b6bbfe2dba7a8a3:/exec/bkgpslog

diff --git a/exec/bkgpslog b/exec/bkgpslog
index 8d0f16f..a9e612c 100755
--- a/exec/bkgpslog
+++ b/exec/bkgpslog
@@ -154,7 +154,8 @@ showUsage() {
     echoerr "            Encrypt output."
     echoerr
     echoerr "    -r, --recipient [ pubkey string ]"
-    echoerr "            Specify recipient."
+    echoerr "            Specify recipient. May be age or ssh pubkey."
+    echoerr "            See https://github.com/FiloSottile/age"
     echoerr
     echoerr "    -o, --output [ directory ]"
     echoerr "            Specify output directory to save logs."
@@ -162,6 +163,13 @@ showUsage() {
     echoerr "    -c, --compress"
     echoerr "            Compress output with gzip (before encryption if enabled)."
     echoerr
+    echoerr "    -z, --time-zone"
+    echoerr "            Specify time zone. (ex: \"America/New_York\")"
+    echoerr
+    echoerr "    -t, --temp-dir"
+    echoerr "            Specify parent directory for temporary working directory."
+    echoerr "            Default: \"/dev/shm\""
+    echoerr
     echoerr "EXAMPLE: (bash script lines)"
     echoerr "/bin/bash bkgpslog -e -c \\"
     echoerr "-r age1mrmfnwhtlprn4jquex0ukmwcm7y2nxlphuzgsgv8ew2k9mewy3rs8u7su5 \\"
@@ -206,9 +214,9 @@ processArguments() {
 	    -r | --recipient) # Add 'age' recipient via public key string
 		recPubKeys+=("$2"); vbm "pubkey added:""$2"; shift;;
 	    -c | --compress) OPTION_COMPRESS="true"; vbm "DEBUG:Compressed output mode enabled.";;
-	    -z | --time-zone) try setTimeZoneEV "$1";;
-	    -t | --temp-dir) OPTION_TMPDIR="true" && TMP_DIR_PRIORITY="$1";;
-	    *) echoerr "ERROR: Unrecognized argument."; exit 1;; # Handle unrecognized options.
+	    -z | --time-zone) try setTimeZoneEV "$2"; shift;;
+	    -t | --temp-dir) OPTION_TMPDIR="true" && TMP_DIR_PRIORITY="$2"; shift;;
+	    *) echoerr "ERROR: Unrecognized argument: $1"; echoerr "STATUS:All arguments:$*"; exit 1;; # Handle unrecognized options.
 	esac
 	shift
     done
@@ -630,7 +638,7 @@ main() {
     fi
 
     ## Set DIR_TMP using DIR_TMP_PARENT and nonce (SCRIPT_TIME_START)
-    DIR_TMP="$DIR_TMP_PARENT"/"$SCRIPT_TIME_START""..bkgpslog"; # Note: removed at end of main().
+    DIR_TMP="$DIR_TMP_PARENT"/"$SCRIPT_TIME_START""..bkgpslog" && vbm "DEBUG:Set DIR_TMP to:$DIR_TMP"; # Note: removed at end of main().
     
     # Set output encryption and compression option strings
     if [[ "$OPTION_ENCRYPT" = "true" ]]; then # Check if encryption option active.
@@ -683,31 +691,43 @@ main() {
     bufferTTL_STR="$(timeDuration $BUFFER_TTL)";
 
     # Init temp working dir
-    try mkdir "$DIR_TMP" && vbm "DEBUG:Working dir creatd at:$DIR_TMP"
+    try mkdir "$DIR_TMP" && vbm "DEBUG:Working dir creatd at:$DIR_TMP";
 
     # Initialize 'tar' archive
     ## Define output tar path (note: each day gets *one* tar file (Ex: "20200731..hostname_location.[.gpx.gz].tar"))
-    PATHOUT_TAR="$DIR_OUT"/"$(dateShort)".."$SCRIPT_HOSTNAME""_location""$CMD_COMPRESS_SUFFIX""$CMD_ENCRYPT_SUFFIX".tar 
+    PATHOUT_TAR="$DIR_OUT"/"$(dateShort)".."$SCRIPT_HOSTNAME""_location""$CMD_COMPRESS_SUFFIX""$CMD_ENCRYPT_SUFFIX".tar && vbm "Set PATHOUT_TAR to:$PATHOUT_TAR";
     ## Write bkgpslog version to DIR_TMP/VERSION
-    echo "$0"" Version:""$SCRIPT_VERSION" >> "$DIR_TMP/VERSION" && vbm "DEBUG:VERSION created."
-    ## Create empty tar archive at PATHOUT_TAR
-    try tar --create --directory="$DIR_TMP" --file="$PATHOUT_TAR" --files-from=/dev/null && vbm "DEBUG:""$PATHOUT_TAR"" created."
+    echo "$0"" Version:""$SCRIPT_VERSION" >> "$DIR_TMP/VERSION" && vbm "DEBUG:VERSION created.";
+    ## Check if PATHOUT_TAR already exists.
+    if [[ -f "$PATHOUT_TAR" ]]; then
+	### Check if preexisting tar is appendable.
+	PATHOUT_APPENDTEST="$DIR_TMP"/"$(dateTimeShort)..append_test.txt" && vbm "DEBUG:Set PATHOUT_APPENDTEST to:$PATHOUT_APPENDTEST";
+	echo "$(dateTimeShort)" >> "$PATHOUT_APPENDTEST" && vbm "DEBUG:""$PATHOUT_APPENDTEST"" created."
+	if ! tar --append --directory="$DIR_TMP" --file="$PATHOUT_TAR" "$(basename "$PATHOUT_APPENDTEST")"; then
+	    ### If not appendable, label tar broken, move tar, proceed.
+	    mv "$PATHOUT_TAR" "${PATHOUT_TAR%.*}""-broken$(dateTimeShort)".tar && vbm "DEBUG:tar not writable, moving out of the way $PATHOUT_TAR";
+	fi
+    else
+	### If (no preexisting|appendable) tar found, create empty tar archive at PATHOUT_TAR
+	try tar --create --directory="$DIR_TMP" --file="$PATHOUT_TAR" --files-from=/dev/null && vbm "DEBUG:""$PATHOUT_TAR"" created.";
+    fi	
     ## Append VERSION file to PATHOUT_TAR
-    try tar --append --directory="$DIR_TMP" --file="$PATHOUT_TAR" "VERSION" && vbm "DEBUG:VERSION added to $PATHOUT_TAR"
+    try tar --append --directory="$DIR_TMP" --file="$PATHOUT_TAR" "VERSION" && vbm "DEBUG:VERSION added to $PATHOUT_TAR";
     
     # Record gps data until script lifespan ends
     declare debugCounter; debugCounter="0"; # set debug counter
     timeStart=$(dateTimeShort); # Note start time
     while [[ "$SECONDS" -lt "$scriptTTL" ]]; do
 	# Determine file paths (time is start of buffer period)
-	FILEOUT_BASENAME="$timeStart""--""$bufferTTL_STR""..""$SCRIPT_HOSTNAME""_location" ; # ISO-8601 YYYYmmddTHHMMSS+zzP[$bufferTTL]S
+	FILEOUT_BASENAME="$timeStart""--""$bufferTTL_STR""..""$SCRIPT_HOSTNAME""_location" && vbm "Set FILEOUT_BASENAME to:$FILEOUT_BASENAME";
 	## Files saved to DIR_TMP
-	PATHOUT_NMEA="$DIR_TMP"/"$FILEOUT_BASENAME".nmea"$CMD_COMPRESS_SUFFIX""$CMD_ENCRYPT_SUFFIX" ; 
-	PATHOUT_GPX="$DIR_TMP"/"$FILEOUT_BASENAME".gpx"$CMD_COMPRESS_SUFFIX""$CMD_ENCRYPT_SUFFIX" ;
-	PATHOUT_KML="$DIR_TMP"/"$FILEOUT_BASENAME".kml"$CMD_COMPRESS_SUFFIX""$CMD_ENCRYPT_SUFFIX" ;
+	PATHOUT_NMEA="$DIR_TMP"/"$FILEOUT_BASENAME".nmea"$CMD_COMPRESS_SUFFIX""$CMD_ENCRYPT_SUFFIX" && vbm "Set PATHOUT_NMEA to:$PATHOUT_NMEA";
+	PATHOUT_GPX="$DIR_TMP"/"$FILEOUT_BASENAME".gpx"$CMD_COMPRESS_SUFFIX""$CMD_ENCRYPT_SUFFIX" && vbm "Set PATHOUT_GPX to:$PATHOUT_GPX";
+	PATHOUT_KML="$DIR_TMP"/"$FILEOUT_BASENAME".kml"$CMD_COMPRESS_SUFFIX""$CMD_ENCRYPT_SUFFIX" && vbm "Set PATHOUT_KML to:$PATHOUT_KML";
 	## Files saved to disk (DIR_OUT)
 	### one file per day (Ex: "20200731..hostname_location.[.gpx.gz].tar")
-	PATHOUT_TAR="$DIR_OUT"/"$(dateShort)".."$SCRIPT_HOSTNAME""_location""$CMD_COMPRESS_SUFFIX""$CMD_ENCRYPT_SUFFIX".tar 
+	PATHOUT_TAR="$DIR_OUT"/"$(dateShort)".."$SCRIPT_HOSTNAME""_location""$CMD_COMPRESS_SUFFIX""$CMD_ENCRYPT_SUFFIX".tar && \
+	    vbm "Set PATHOUT_TAR to:$PATHOUT_TAR"
 	# Define GPS conversion commands
 	CMD_CONV_NMEA="tee /dev/null " ; # tee as passthrough
 	CMD_CONV_GPX="gpsbabel -i nmea -f - -o gpx -F - " ; # convert NMEA to GPX