Add script to query latest snapshot identifiers

utils/smack-unique-snapshots.sh

@@ -0,0 +1,44 @@
+#!/bin/sh
+if [ $# -eq 0 ]; then
+    echo "Usage: smack-unique-snapshots.sh 4.4.0-alpha1-SNAPSHOT";
+    exit 1;
+fi
+
+VERSION=$1
+SMACK="https://igniterealtime.org/repo/org/igniterealtime/smack"
+META="maven-metadata.xml"
+
+TEMPD=$(mktemp -d)
+cd $TEMPD
+# Determine avail smack projects by recursively fetching subdirs
+wget -q -r -l1 -nH --cut-dirs=4 --no-parent -e robots=off $SMACK
+
+PROJECTS=()
+VERSIONS=()
+# smack projects will result in subdir
+# get index.html of project with descending change date
+# from the html, extract first .pom file name, which is latest version
+for d in `ls` ; do
+    if  [[ -d $d ]]; then
+        PRO=$(wget -q "$SMACK/$d/$VERSION?C=M;O=D" -O- | grep -Po '(?<=a href=").*?(?=\.pom")' | head -n1);
+        # Repair missing projects
+        if [ ${#PRO} -le ${#d} ]; then
+            PRO="$d MISSING"
+        fi
+        echo $PRO
+        PROJECTS+=("$PRO")
+
+        PROJ_LEN=$((${#d} + 1))
+        SNAP=${PRO:$PROJ_LEN}
+        VER="$(echo $d | sed -r 's/(^|-)(\w)/\U\2/g')Version = \"$SNAP\""
+        VERSIONS+=("$VER")
+    fi
+done
+printf "\n"
+echo "Gradle Versions:"
+for v in "${VERSIONS[@]}"; do
+    echo $v
+done
+
+# clean up
+rm -rf $TEMPD