changeset 369:75689b7cd57b prerelease

Updated rsync command and command-line options

--- a/scripts/build_project.sh	Thu Jun 09 02:47:38 2016 +0100
+++ b/scripts/build_project.sh	Thu Jun 09 02:48:58 2016 +0100
@@ -19,7 +19,7 @@
 function usage
 {
     THIS_SCRIPT=`basename "$0"`
-    echo "Usage: $THIS_SCRIPT [-b path-on-beaglebone] [-c command-line-args] [-nfF] <directory-with-source-files>"
+    echo "Usage: $THIS_SCRIPT [-c command-line-args] [-nbfF] <directory-with-source-files>"
     echo "
     This script copies a directory of source files to the BeagleBone, compiles
     and runs it. The BeagleRT core files should have first been copied over
@@ -27,28 +27,25 @@
 
     The source directory should contain at least one .c, .cpp or .S file.
     If the argument -n is passed, the output will not be run after compiling.
-    The argument -b will change the local path on the BeagleBone where the
-    BeagleRT files are found. The -c option passes command-line arguments to
+    The -c option passes command-line arguments to
     the BeagleRT program; enclose the argument string in quotes.
 	
     By default, the project runs in the foreground of the current terminal,
-    within a screen session that can be detached later. The -F argument runs
+    within a screen session that can be detached later. The -f argument runs
     the project in the foreground of the current terminal, without screen, so
-    the output can be piped to another destination. The -f argument runs it
+    the output can be piped to another destination. The -b argument runs it
     in a screen in the background, so no output is shown."
 }
 
 OPTIND=1
 
-while getopts "b:c:nfFhp:" opt; do
+while getopts "bc:nfFhp:" opt; do
     case $opt in
-        b)            BBB_BELA_HOME=$OPTARG
-                      ;;
         c)            COMMAND_ARGS=$OPTARG
                       ;;
-        f)            RUN_IN_FOREGROUND=0
+        b)            RUN_IN_FOREGROUND=0
                       ;;
-        F)            RUN_WITHOUT_SCREEN=1
+        f)            RUN_WITHOUT_SCREEN=1
                       ;;
         n)    	      RUN_PROJECT=0
                       ;;
@@ -87,10 +84,9 @@
 BBB_PROJECT_FOLDER=$BBB_PROJECT_HOME"/"$BBB_PROJECT_NAME #make sure there is no trailing slash here
 BBB_NETWORK_TARGET_FOLDER=$BBB_ADDRESS:$BBB_PROJECT_FOLDER
 
-# Stop BeagleRT and clean out old source files
-echo "Stopping running program..."
-# sets the date, stops the running process
-ssh $BBB_ADDRESS "date -s '`date`' > /dev/null; mkdir -p $BBB_PROJECT_FOLDER; screen -X -S '"$BBB_SCREEN_NAME"' quit &>/dev/null;"
+echo "Stopping running process..."
+# sets the date and stop running process
+ssh $BBB_ADDRESS "date -s '`date`' > /dev/null; mkdir -p $BBB_PROJECT_FOLDER; make -C $BBB_BELA_HOME stop"
 
 #concatenate arguments to form path.
 HOST_SOURCE_PATH= #initially empty, will be filled with input arguments
@@ -110,8 +106,12 @@
     ssh bbb "make -C $BBB_BELA_HOME sourceclean PROJECT=$BBB_PROJECT_NAME";
     scp $HOST_SOURCE_PATH "$BBB_NETWORK_TARGET_FOLDER"
 else
-    #rsync --delete makes sure it removes files that are not in the origin folder
-    rsync -ogprv --delete-after --exclude=build $HOST_SOURCE_PATH"/" "$BBB_NETWORK_TARGET_FOLDER/" #trailing slashes used here make sure rsync does not create another folder inside the target folder
+    #rsync 
+    # --delete makes sure it removes files that are not in the origin folder
+    # -c evaluates changes using md5 checksum instead of file date, so we don't care about time skews 
+    # --no-t makes sure file timestamps are not preserved, so that the Makefile will not think that targets are up to date when replacing files on the BBB
+    #  with older files from the host. This will solve 99% of the issues with Makefile thinking a target is up to date when it is not.
+    rsync -avc --no-t --delete-after --exclude=build $HOST_SOURCE_PATH"/" "$BBB_NETWORK_TARGET_FOLDER/" #trailing slashes used here make sure rsync does not create another folder inside the target folder
 fi;
 
 if [ $? -ne 0 ]
@@ -131,14 +131,11 @@
 	
 	if [ $RUN_WITHOUT_SCREEN -ne 0 ]
 	then
-	    echo ssh -t $BBB_ADDRESS "$MAKE_COMMAND run"	
 	    ssh -t $BBB_ADDRESS "$MAKE_COMMAND run"	
 	elif [ $RUN_IN_FOREGROUND -eq 0 ]
 	then
-	    echo ssh $BBB_ADDRESS "$MAKE_COMMAND runscreen"
 	    ssh $BBB_ADDRESS "$MAKE_COMMAND runscreen"
 	else
-	    echo ssh -t $BBB_ADDRESS "$MAKE_COMMAND runscreenfg"
 	    ssh -t $BBB_ADDRESS "$MAKE_COMMAND runscreenfg"
 	fi
 fi