Add check for latest version (#4194)

Signed-off-by: Paolo Di Tommaso <[email protected]>

nextflow

@@ -85,6 +85,17 @@ function get() {
     fi
 }
 
+function get_ver() {
+    if command -v curl &>/dev/null; then
+        curl -fsSL "$1"
+    elif command -v wget &>/dev/null; then
+        wget "$1" >/dev/null 2>&1
+    else
+        echo_red "ERROR: Cannot find 'curl' nor 'wget' utility --  please install one of them"
+        exit 1
+    fi
+}
+
 function make_temp() {
     local base=${NXF_TEMP:=$PWD}
     if [ "$(uname)" = 'Darwin' ]; then mktemp "${base}/nxf-tmp.XXXXXX" || exit $?
@@ -111,7 +122,7 @@ function resolve_link() {
 }
 
 function current_ver() {
-  [[ $NXF_EDGE == 1 ]] && printf 'edge' || printf 'latest'
+  [[ $NXF_EDGE == 1 || $NXF_VER == *"-edge" ]] && printf 'edge' || printf 'latest'
 }
 
 function install() {
@@ -131,6 +142,15 @@ function install() {
     echo ''
 }
 
+function check_latest() {
+    [[ $cmd != run ]] && return 0
+    [[ $NXF_OFFLINE == true || $NXF_DISABLE_CHECK_LATEST == true ]] && return 0
+    local latest=$(get_ver "$NXF_BASE/$(current_ver)/version?current=$NXF_VER")
+    if [[ -n "$latest" && "$latest" != $NXF_VER ]]; then
+      echo_yellow "Nextflow $latest is available - Please consider updating your version to it"
+    fi
+}
+
 function launch_nextflow() {
     # the launch command line
     local cmdline=()
@@ -445,5 +465,7 @@ else
 
 fi
 
+# check for latest version
+check_latest
 # finally run it
 launch_nextflow

packing.gradle

@@ -327,6 +327,7 @@ task release(type: Exec, dependsOn: [pack, dockerImage]) {
     def launcherSha1 = file('nextflow.sha1').absoluteFile
     def launcherSha256 = file('nextflow.sha256').absoluteFile
     def nextflowAllFile = file("$releaseDir/nextflow-${version}-all")
+    def versionFile = file('VERSION').absoluteFile
 
     def snapshot = version ==~ /^.+(-RC\d+|-SNAPSHOT)$/
     def edge = version ==~ /^.+(-edge|-EDGE)$/
@@ -350,6 +351,7 @@ task release(type: Exec, dependsOn: [pack, dockerImage]) {
         aws s3 cp $launcherSha1 s3://www2.nextflow.io/releases/edge/nextflow.sha1 $s3CmdOpts
         aws s3 cp $launcherSha256 s3://www2.nextflow.io/releases/edge/nextflow.sha256 $s3CmdOpts
         aws s3 cp $launcherSha256 s3://www2.nextflow.io/releases/edge/nextflow.md5 $s3CmdOpts
+        aws s3 cp $versionFile s3://www2.nextflow.io/releases/edge/version $s3CmdOpts
         """.stripIndent()
 
     else if( isLatest )
@@ -361,6 +363,7 @@ task release(type: Exec, dependsOn: [pack, dockerImage]) {
         aws s3 cp $launcherSha1 s3://www2.nextflow.io/releases/latest/nextflow.sha1 $s3CmdOpts
         aws s3 cp $launcherSha256 s3://www2.nextflow.io/releases/latest/nextflow.sha256 $s3CmdOpts
         aws s3 cp $launcherSha256 s3://www2.nextflow.io/releases/latest/nextflow.md5 $s3CmdOpts
+        aws s3 cp $versionFile s3://www2.nextflow.io/releases/latest/version $s3CmdOpts
         """.stripIndent()
 
     def temp = File.createTempFile('upload',null)