adamfeuer commented on a change in pull request #1382:
URL: https://github.com/apache/incubator-nuttx/pull/1382#discussion_r453919591



##########
File path: tools/checkrelease.sh
##########
@@ -19,114 +19,221 @@
 #
 #############################################################################
 
-set -e
-
+VERBOSE=0
+RETURN_CODE=0
 BASE_URL="https://dist.apache.org/repos/dist/dev/incubator/nuttx";
-TEMPDIR="dist.apache.org"
+DIST_DIR="dist.apache.org"
+TMP="/tmp"
+TEMPDIR="$TMP/nuttx-checkrelease"
 ORIGINAL_DIR="$(pwd)"
-trap "{ cd $ORIGINAL_DIR; rm -rf $TEMPDIR; }" EXIT
+trap "{ rm -rf $TEMPDIR; }" EXIT
+
+function validate_url() {
+  if [[ `wget -S --spider $1  2>&1 | grep 'HTTP/1.1 200 OK'` ]]; then echo 
"true"; fi
+}
 
 function download_release() {
-    wget -r -np -R "index.html*" -P . --cut-dirs 7 "$URL"
-    cd "$TEMPDIR"
+  rm -rf "$TEMPDIR"
+  if [[ -n "$URL" ]]; then
+    mkdir "$TEMPDIR"
+    if [[ $(validate_url "$URL") ]]; then
+      echo "Downloading release files from $URL"
+      wget --quiet -r --no-parent -P "$TEMPDIR" --cut-dirs 100 "$URL"
+      cd "$TEMPDIR"
+      mv $DIST_DIR/apache-nuttx-* .
+    else
+      echo "The URL given doesn't return HTTP 200 OK return code— exiting. 
($URL)"
+      exit 1
+    fi
+  else
+    if [[ -n "$DIRECTORY" ]]; then
+      cp -r "$DIRECTORY" "$TEMPDIR"
+      cd "$TEMPDIR"
+    else
+      echo "One of --dir or --url is required!"
+      exit 1
+    fi
+  fi
 }
 
 function check_sha512() {
-    # check release sha512
     RELEASE_FILE=$1
     echo "Checking $RELEASE_FILE sha512..."
-    sha512sum -c "$RELEASE_FILE.sha512"
+    output="$(sha512sum -c $RELEASE_FILE.sha512 2>&1)"
+    return_value=$?
+    if [ $return_value -eq 0 ]; then
+      echo " OK: $RELEASE_FILE sha512 hash matches."
+    else
+      RETURN_CODE=1
+      echo " - $RELEASE_FILE sha512 hash does not match:"
+      echo "$output"
+    fi
+    echo
 }
 
 function check_gpg() {
-    # check nuttx sha512 and gpg
     RELEASE_FILE=$1
     echo "Checking $RELEASE_FILE GPG signature:"
-    gpg --verify "$RELEASE_FILE.asc" "$RELEASE_FILE"
+    gpg --verify $RELEASE_FILE.asc $RELEASE_FILE
+    return_value=$?
+    if [ $return_value -eq 0 ]; then
+      echo " OK: $RELEASE_FILE gpg signature matches."
+    else
+      RETURN_CODE=1
+      echo " - Error checking $RELEASE_FILE gpg signature:"
+      echo "$output"
+      echo

Review comment:
       @xiaoxiang781216 The extra `echo` is there for formatting, to leave a 
blank line. I can take it out if you want, let me know.
   




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