Add long pkginstall

ci.hocon

@@ -63,9 +63,10 @@ pkgtest: ${common} ${java8Downloads} {
 # tries to install a (default) number of packages previously known not to install
 # TODO how to find the path to the ok.packages directory?
 pkginstall: ${common} ${java8Downloads} {
-  timelimit : "3:00:00"
+  timelimit : "6:00:00"
   run : [
-    ["mx", "test", "--invert.pkgs", "--print-ok-installs", ]
+    ["mx", "build"]
+    ["mx", "pkgtest", "--invert.pkgs", "--print-ok-installs", "--install-dependents-first", "--pkg-count", "1000"]
   ]
 }
 
@@ -74,4 +75,5 @@ builds = [
   ${gateStyle}      {capabilities : [linux, amd64, gate],   name: "gate-style-linux-amd64"}
 #  ${gateTest}       {capabilities : [linux, sparcv9, gate], name: "gate-test-linux-sparcv9"}
   ${pkgtest}        {capabilities : [linux, amd64, gate], name: "pkgtest-test-linux-amd64"}
+  ${pkginstall}        {capabilities : [linux, amd64, gate], name: "pkginstall-test-linux-amd64"}
 ]
\ No newline at end of file

mx.fastr/mx_fastr_pkgs.py

@@ -34,7 +34,7 @@ def pkgtest(args):
     # sundry options understood by installpkgs R code
     parser.add_argument('--pkg-count', action='store', help='number of packages to install/test', default='100')
     parser.add_argument('--ignore-blacklist', action='store_true', help='pass --ignore-blacklist')
-    parser.add_argument('--install-dependents', action='store_true', help='pass -install-dependents')
+    parser.add_argument('--install-dependents-first', action='store_true', help='pass -install-dependents-first')
     parser.add_argument('--print-ok-installs', action='store_true', help='pass --print-ok-installs')
     args = parser.parse_args(args)
 
@@ -57,8 +57,8 @@ def pkgtest(args):
         install_args += ['--run-tests']
     if args.ignore_blacklist:
         install_args += ['--ignore-blacklist']
-    if args.install_dependents:
-        install_args += ['--install-dependents']
+    if args.install_dependents_first:
+        install_args += ['--install-dependents-first']
     if args.print_ok_installs:
         install_args += ['--print-ok-installs']