kmx.io/shpkg

diff --git a/bin/shpkg_ci_mux b/bin/shpkg_ci_mux
new file mode 100755
index 0000000..44424a2
--- /dev/null
+++ b/bin/shpkg_ci_mux
@@ -0,0 +1,54 @@
+#!/bin/sh
+
+set -e
+
+# shpkg
+
+: ${SHPKG_DIR:=~/shpkg}
+
+. "${SHPKG_DIR}/etc/shpkg/profile"
+
+. "${SHPKG_DIR}/share/shpkg/shpkg.subr"
+
+verbose 2 shpkg_config
+
+verbose 2 shpkg_lock shpkg_ci_mux.lock
+
+# Configuration
+
+: ${SHPKG_CI_DIR:=${SHPKG_DIR}/ci}
+
+shpkg_ci_remote () {
+    verbose 1 ssh "$1" sh -c "\"shpkg/bin/shpkg_ci '$2'\""
+    if [ "x$2" != "x--upgrade" ]; then
+        verbose 1 rsync -a "$1":shpkg/ci/. "${SHPKG_CI_DIR}/"
+    fi
+}
+
+main () {
+    SHPKG_REPO="$1"
+    shift
+    for SHPKG_CI_MUX_HOST; do
+        shpkg_ci_remote "${SHPKG_CI_MUX_HOST}" "${SHPKG_REPO}" &
+    done
+    for SHPKG_CI_MUX_HOST; do
+        wait
+    done
+    if [ "x${SHPKG_REPO}" == "x--upgrade" ]; then
+        exit
+    fi
+    ( cd "${SHPKG_CI_DIR}/status" &&
+          for S in $(ls */*/*.status | cut -d / -f 3 | sort -u); do
+              {
+                  if grep -q running */*/"$S"; then
+                      echo running
+                  elif grep -q ko */*/"$S"; then
+                      echo ko
+                  else
+                      echo ok
+                  fi
+              } > "${SHPKG_CI_DIR}/status/$S"
+          done; )
+}
+
+shpkg_log shpkg_ci_mux main "$@"