X-Git-Url: https://www.fleuret.org/cgi-bin/gitweb/gitweb.cgi?a=blobdiff_plain;f=xremote.sh;h=83f984ebbdb13b6dea9e91a3bd5ff3232c657225;hb=ad0a5cecf38c0bf27719e4f1bcbced3862d464fd;hp=9b753e09a61d7cbcb0cd6257e18b19fe099b0cd7;hpb=703eb6f5d8da6f38c1c57a2c861177098384087c;p=xremote.git

diff --git a/xremote.sh b/xremote.sh
index 9b753e0..83f984e 100755
--- a/xremote.sh
+++ b/xremote.sh
@@ -34,7 +34,7 @@ function check_remote_is_defined () {
 
 function help () {
     cat <<EOF
-xremote.sh <executable>
+xremote.sh <script>
 
   This script takes a script as argument and executes it remotely in a
   temporary directory on a ssh-accessible server.
@@ -50,11 +50,15 @@ xremote.sh <executable>
   Example:
 
     @XREMOTE_HOST: elk.fleuret.org
-    @XREMOTE_SEND: mnist.py
+    @XREMOTE_EXEC: python3
+    @XREMOTE_SEND: main.cf
     @XREMOTE_GET: *.dat
     @XREMOTE_PRE: ln -s /home/fleuret/data/pytorch ./data
 
- Contact <francois@fleuret.org> for comments.
+  If no argument is provided to @XREMOTE_HOST, the environment
+  variable $XREMOTE_HOST is used instead
+
+  Contact <francois@fleuret.org> for comments.
 
 EOF
     return 0
@@ -91,6 +95,11 @@ do
 
         case "${label}" in
 
+            EXEC)
+                check_remote_is_defined
+                REMOTE_EXEC="${value}"
+                ;;
+
             PRE)
                 check_remote_is_defined
                 ssh < /dev/null "${REMOTE_HOST}" "cd \"${REMOTE_DIR}\" && ${value}"
@@ -98,14 +107,15 @@ do
 
             SEND)
                 check_remote_is_defined
-                tar c "${value}" | ssh "${REMOTE_HOST}" "cd \"${REMOTE_DIR}\" && tar mx"
+                tar c ${value} | ssh "${REMOTE_HOST}" "cd \"${REMOTE_DIR}\" && tar mx"
                 ;;
 
             HOST)
                 [[ "${REMOTE_DIR}" ]] && (exit "Remote host already defined!" >&2 && exit 1)
-                cleanup_remote_tmp
-                REMOTE_HOST=${value}
-                REMOTE_DIR="$(ssh </dev/null "${REMOTE_HOST}" mktemp -d /tmp/xremote.from_"$(hostname)_$(date +%Y%m%d)".XXXXXX)"
+                REMOTE_HOST="${value}"
+                [[ "${REMOTE_HOST}" ]] || REMOTE_HOST="${XREMOTE_HOST}"
+                [[ "${REMOTE_HOST}" ]] || (echo "No remote host specified." >&2 && exit 1)
+                REMOTE_DIR="$(ssh </dev/null "${REMOTE_HOST}" mktemp -d /tmp/xremote.from_"$(hostname)_$(date +%Y%m%d-%H%M%S)".XXXXXX)"
                 ;;
         esac
     fi
@@ -118,10 +128,17 @@ check_remote_is_defined
 
 tar c "${main}" | ssh "${REMOTE_HOST}" "cd \"${REMOTE_DIR}\" && tar mx"
 
+echo "On ${REMOTE_HOST}"
+
+if [[ "${REMOTE_EXEC}" ]]
+then
+    REMOTE_COMMAND="${REMOTE_EXEC} ${main}"
+else
+    REMOTE_COMMAND="./${main}"
+fi
+
 echo "----------------------------------------------------------------------"
-echo "-- On ${REMOTE_HOST}"
-echo "----------------------------------------------------------------------"
-ssh </dev/null "${REMOTE_HOST}" "cd \"${REMOTE_DIR}\" && ./$(basename "${main}")"
+ssh </dev/null "${REMOTE_HOST}" "cd \"${REMOTE_DIR}\" && ${REMOTE_COMMAND}"
 echo "----------------------------------------------------------------------"
 
 ######################################################################
@@ -139,7 +156,7 @@ do
         case "${label}" in
             GET)
                 check_remote_is_defined
-                ssh </dev/null "${REMOTE_HOST}" "cd \"${REMOTE_DIR}\" && tar c ${value}" | tar mxv
+                ssh </dev/null "${REMOTE_HOST}" "cd \"${REMOTE_DIR}\" && tar 2>/dev/null c ${value}" | tar mxv
                 ;;
         esac
     fi