run: Put variables in quotes in shell scripts

src/main/distrib/linux/add-indexed-branch.sh

 # Set EXCLUSIONS for any repositories that you do not want to change
 # --------------------------------------------------------------------------
 FOLDER=data/git
-EXCLUSIONS=--skip test.git --skip group/test*
+EXCLUSIONS="--skip test.git --skip group/test*"
 BRANCH=default
-java -cp gitblit.jar:"ext/*" com.gitblit.AddIndexedBranch --repositoriesFolder $FOLDER --branch $BRANCH $EXCLUSIONS
+java -cp gitblit.jar:"ext/*" com.gitblit.AddIndexedBranch --repositoriesFolder "$FOLDER" --branch "$BRANCH" "$EXCLUSIONS"

src/main/distrib/linux/migrate-tickets.sh

     exit 1;
 fi
 
-java -cp "gitblit.jar:ext/*" com.gitblit.MigrateTickets $1 --baseFolder $2
+java -cp "gitblit.jar:ext/*" com.gitblit.MigrateTickets "$1" --baseFolder "$2"
 

src/main/distrib/linux/reindex-tickets.sh

     exit 1;
 fi
 
-java -cp "gitblit.jar:ext/*" com.gitblit.ReindexTickets --baseFolder $1
+java -cp "gitblit.jar:ext/*" com.gitblit.ReindexTickets --baseFolder "$1"