epm: change CMDSHELL to /usr/bin/env bash and use CMDSHELL for call scripts

bin/epm

@@ -20,7 +20,7 @@
 PROGDIR=$(dirname "$0")
 PROGNAME=$(basename "$0")
 [ -n "$EPMCURDIR" ] || export EPMCURDIR="$(pwd)"
-CMDSHELL="/bin/bash"
+CMDSHELL="/usr/bin/env bash"
 # TODO: pwd for ./epm and which for epm
 [ "$PROGDIR" = "." ] && PROGDIR="$EPMCURDIR"
 if [ "$0" = "/dev/stdin" ] || [ "$0" = "sh" ] ; then

bin/epm-sh-functions

@@ -516,7 +516,7 @@ eget()
     local EGET
     # use internal eget only if exists
     if [ -s $SHAREDIR/tools_eget ] ; then
-        ( EGET_BACKEND=$eget_backend $SHAREDIR/tools_eget "$@" )
+        ( EGET_BACKEND=$eget_backend $CMDSHELL $SHAREDIR/tools_eget "$@" )
         return
     fi
     fatal "Internal error: missed tools_eget"
@@ -541,7 +541,7 @@ erc()
 
     # use internal eget only if exists
     if [ -s $SHAREDIR/tools_erc ] ; then
-        $SHAREDIR/tools_erc "$@"
+        $CMDSHELL $SHAREDIR/tools_erc "$@"
         return
     fi
     fatal "Internal error: missed tools_erc"
@@ -560,7 +560,7 @@ ercat()
     local ERCAT
     # use internal eget only if exists
     if [ -s $SHAREDIR/tools_ercat ] ; then
-        $SHAREDIR/tools_ercat "$@"
+        $CMDSHELL $SHAREDIR/tools_ercat "$@"
         return
     fi
     fatal "Internal error: missed tools_ercat"
@@ -575,7 +575,7 @@ ercat()
 estrlist()
 {
     if [ -s $SHAREDIR/tools_estrlist ] ; then
-        $SHAREDIR/tools_estrlist "$@"
+        $CMDSHELL $SHAREDIR/tools_estrlist "$@"
         return
     fi
     fatal "missed tools_estrlist"

bin/epm-tool

@@ -60,7 +60,7 @@ epm_tool()
             ;;
         "json")                      # HELPCMD: json operations
             showcmd json "$@"
-            $SHAREDIR/tools_json "$@"
+            $CMDSHELL $SHAREDIR/tools_json "$@"
             ;;
         "which")
             print_command_path "$@"  # HELPCMD: which like command (no output to stderr, can works without which package)