feat(bkgpslog):Append to preexisting tar if possible

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

diff --git a/exec/bkgpslog b/exec/bkgpslog
index c49cee632986b8bd872b7939f482ad98ee52c744..840a0c63a5fd928d73329d57b31a2464646894fa 100755 (executable)
--- a/exec/bkgpslog
+++ b/exec/bkgpslog
@@ -214,9 +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.";;
            -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 "$2";;
-           -t | --temp-dir) OPTION_TMPDIR="true" && TMP_DIR_PRIORITY="$2";;
-           *) 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
        esac
        shift
     done


@@ -698,8 +698,19 @@ main() {
     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" >> "$DIR_TMP/VERSION" && vbm "DEBUG:VERSION created."
     PATHOUT_TAR="$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:""$PATHOUT_TAR"" created."
+    ## Check if PATHOUT_TAR already exists.
+    if [[ -f "$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"
     
     ## Append VERSION file to PATHOUT_TAR
     try tar --append --directory="$DIR_TMP" --file="$PATHOUT_TAR" "VERSION" && vbm "DEBUG:VERSION added to $PATHOUT_TAR"