Added support to install a specific nightly.

eclipse-director.sh

@@ -14,30 +14,101 @@ function usage()
 `basename $0` [opt] command [pluginid]
 
 Options:
-    --eclipse-dir <path>      Path to the Eclipse installation that you want to modify
+    --eclipse-dir <path>        Path to the Eclipse installation that you want to modify
 
-    --branch <branch>         What branch to use? (e.g. master or 2-0-x)
+    --branch <branch>           What branch to use? (e.g. 'master' or '2-0-x')
 
 Commands:
-    list                      List available plugins. (useless right now, as it uses the Eclipse repo).
+    list                        List available plugins. (useless right now, as it uses the Eclipse repo).
 
-    install <id>              Install plugin. It is the version number of the Scala installation
-                              For instance: 2.9.1.final or trunk
+    install <version>           Install plugin. It is the version number of the Scala installation
+                                For instance: 2.9.2-SNAPSHOT or trunk
 
-    install-local <path>      Install from a local update site given by <path>
+    install <version>/YYYYMMDD  Install the nightly for the given date. <version> is one of 'trunk' or 
+                                '2.9.2-SNAPSHOT'
 
-    uninstall                 Uninstall the currently installed Scala plugin
+    install-local <path>        Install from a local update site given by <path>
 
-    install-bundle <id>       Install the given bundle
+    uninstall                   Uninstall the currently installed Scala plugin
 
-    uninstall-bundle <id>     Uninstall the given bundle
+    install-bundle <id>         Install the given bundle
 
-    help                      Print this help screen
+    uninstall-bundle <id>       Uninstall the given bundle
+
+    help                        Print this help screen
 
 EOF
     exit 1
 }
 
+#
+# match the build dir name in the dir listing HTML response
+#
+build_dir_regex='s/.*<a href=\"\(.*\)\">.*/\1/'
+
+#
+# $1 - repo_base
+# $2 - repo_date
+#
+function find_latest_build()
+{
+    matches=`curl -s "$1/" | grep $2 | sed "${build_dir_regex}"`
+
+    arr_match=(${matches})
+    len=${#arr_match[@]}
+
+    if [[ len -eq 0 ]]; then
+        echo "No repository found for $repo_date, probably no nightlies were pushed on that date."
+        echo "Other nightlies on the same month (${2:0:6}):"
+        curl  -s "$1/" | grep ${2:0:6} | sed "${build_dir_regex}"
+        exit 1
+    fi
+
+    echo "found nightly on ${arr_match[len - 1]}"
+    update_site="$1/${arr_match[len - 1]}/org.scala-ide.sdt.update-site"
+}
+
+#
+# $1 - specification: trunk or trunk/YYYYMMDD (date)
+#      similarly, 2.9.2-SNAPSHOT or 2.9.2-SNAPSHOT/YYYYMMDD
+#
+function install()
+{
+    case $1 in
+        trunk )
+            update_site="$scala_repo-$branch-trunk"
+            ;;
+
+        trunk/[0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9] )
+            echo "Looking for a specific nightly.."
+            repo_date=`echo $1 | cut -d \/ -f 2`
+            find_latest_build "http://download.scala-ide.org/builds/nightly-$branch-trunk" $repo_date
+            ;;
+
+        2.9.2-SNAPSHOT )
+            update_site="$scala_repo-$branch-trunk"
+            ;;
+
+        2.9.2-SNAPSHOT/[0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9] )
+            repo_date=`echo $1 | cut -d \/ -f 2`
+            find_latest_build "http://download.scala-ide.org/builds/nightly-$branch-2.9.2-SNAPSHOT" $repo_date
+            ;;
+
+        * )
+            echo -e "Not understood: $1.\n"
+            usage
+            ;;
+    esac
+
+    echo "Installing from $update_site.."
+    $eclipse_dir/eclipse $eclipse_opt \
+        -application $app \
+        -repository $update_site/ \
+        -installIU org.scala-ide.sdt.feature.feature.group
+
+}
+
+
 while [ $# -gt 0 ]; do
 
     case $1 in 
@@ -66,11 +137,7 @@ while [ $# -gt 0 ]; do
             ;;
 
         "install")
-            echo "Installing $2.."
-            $eclipse_dir/eclipse $eclipse_opt \
-                -application $app \
-                -repository "$scala_repo-$branch-$2" \
-                -installIU org.scala-ide.sdt.feature.feature.group
+            install $2
             shift 2
             ;;