debug(bkgpslog):Add additional debug for output file path vars

[EVA-2020-02.git] / exec / bkgpslog

diff --git a/exec/bkgpslog b/exec/bkgpslog
index d0dde14f6b77523ccc21447fd8363c768a203dcd..11c30be209e19ed33d5e85b4fab3f697e6c80656 100755 (executable)
--- a/exec/bkgpslog
+++ b/exec/bkgpslog
@@ -691,31 +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 ;
     ## 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";
+       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;
+       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