POSIX-ify wsrep scripts

  - Replace #!/bin/bash with #!/bin/sh
  - Split username:password using POSIX compat %% and ##
  - Don't use array for FILTERS
  - Replace == tests with POSIX-compat =

scripts/wsrep_sst_common.sh

@@ -154,9 +154,8 @@ readonly WSREP_SST_OPT_AUTH
 # Splitting AUTH into potential user:password pair
 if ! wsrep_auth_not_set
 then
-    readonly AUTH_VEC=(${WSREP_SST_OPT_AUTH//:/ })
-    WSREP_SST_OPT_USER="${AUTH_VEC[0]:-}"
-    WSREP_SST_OPT_PSWD="${AUTH_VEC[1]:-}"
+    WSREP_SST_OPT_USER="${WSREP_SST_OPT_AUTH%%:*}"
+    WSREP_SST_OPT_PSWD="${WSREP_SST_OPT_AUTH##*:}"
 fi
 readonly WSREP_SST_OPT_USER
 readonly WSREP_SST_OPT_PSWD

scripts/wsrep_sst_rsync.sh

-#!/bin/bash -ue
+#!/bin/sh -ue
 
 # Copyright (C) 2010-2014 Codership Oy
 #
@@ -23,7 +23,7 @@ RSYNC_CONF=                                     # rsync configuration file
 RSYNC_REAL_PID=                                 # rsync process id
 
 OS=$(uname)
-[ "$OS" == "Darwin" ] && export -n LD_LIBRARY_PATH
+[ "$OS" = "Darwin" ] && export -n LD_LIBRARY_PATH
 
 # Setting the path for lsof on CentOS
 export PATH="/usr/sbin:/sbin:$PATH"
@@ -144,8 +144,8 @@ fi
 #         --exclude '*.[0-9][0-9][0-9][0-9][0-9][0-9]' --exclude '*.index')
 
 # New filter - exclude everything except dirs (schemas) and innodb files
-FILTER=(-f '- /lost+found' -f '- /.fseventsd' -f '- /.Trashes'
-        -f '+ /wsrep_sst_binlog.tar' -f '+ /ib_lru_dump' -f '+ /ibdata*' -f '+ /*/' -f '- /*')
+FILTER="-f '- /lost+found' -f '- /.fseventsd' -f '- /.Trashes'
+        -f '+ /wsrep_sst_binlog.tar' -f '+ /ib_lru_dump' -f '+ /ibdata*' -f '+ /*/' -f '- /*'"
 
 if [ "$WSREP_SST_OPT_ROLE" = "donor" ]
 then
@@ -211,7 +211,7 @@ then
         RC=0
         rsync --owner --group --perms --links --specials \
               --ignore-times --inplace --dirs --delete --quiet \
-              $WHOLE_FILE_OPT "${FILTER[@]}" "$WSREP_SST_OPT_DATA/" \
+              $WHOLE_FILE_OPT "${FILTER}" "$WSREP_SST_OPT_DATA/" \
               rsync://$WSREP_SST_OPT_ADDR >&2 || RC=$?
 
         if [ "$RC" -ne 0 ]; then
@@ -246,8 +246,8 @@ then
         pushd "$WSREP_SST_OPT_DATA" >/dev/null
 
         count=1
-        [ "$OS" == "Linux" ] && count=$(grep -c processor /proc/cpuinfo)
-        [ "$OS" == "Darwin" -o "$OS" == "FreeBSD" ] && count=$(sysctl -n hw.ncpu)
+        [ "$OS" = "Linux" ] && count=$(grep -c processor /proc/cpuinfo)
+        [ "$OS" = "Darwin" -o "$OS" = "FreeBSD" ] && count=$(sysctl -n hw.ncpu)
 
         find . -maxdepth 1 -mindepth 1 -type d -not -name "lost+found" -print0 | \
              xargs -I{} -0 -P $count \