serialize calls to pkgcmd to avoid installation errors

Change-Id: I543fc1c5fdeef33cd3a30d87a731c013bfb26785
Signed-off-by: Stephane Desneux <stephane.desneux@open.eurogiciel.org>

diff --git a/install_widgets.sh b/install_widgets.sh
index d5e8801..2390873 100755 (executable)
--- a/install_widgets.sh
+++ b/install_widgets.sh
@@ -18,9 +18,9 @@ function do_install() {
                        local try=1
                        local ok=0
                        while [ $try -le 3 ]; do
                        local try=1
                        local ok=0
                        while [ $try -le 3 ]; do

-                               pkgcmd -i -q -t wgt -p $wgtdir/$wgt && { ok=1; break; }
+                               flock -w 30 -e /tmp/pkgcmd_lock pkgcmd -i -q -t wgt -p $wgtdir/$wgt && { ok=1; break; }

                                try=$((try+1))
                                try=$((try+1))

-                               sleep 3
+                               sleep 1

                        done
                        [ $ok -eq 1 ] && {
                                info "$wgt installed successfully" 
                        done
                        [ $ok -eq 1 ] && {
                                info "$wgt installed successfully"