Do not attempt renaming no-op (#2548) (#2549)

Author: achamayou

.azure-pipelines-templates/install.yml

@@ -5,7 +5,9 @@ steps:
       cpack -V -G DEB
       INITIAL_PKG=`ls *.deb`
       GITHUB_PKG=${INITIAL_PKG//\~/_}
-      mv $INITIAL_PKG $GITHUB_PKG
+      if [[ "$INITIAL_PKG" != "$GITHUB_PKG" ]]; then
+        mv $INITIAL_PKG $GITHUB_PKG
+      fi
       cp $GITHUB_PKG $(Build.ArtifactStagingDirectory)
       echo "##vso[task.setvariable variable=pkgname]$GITHUB_PKG"
     workingDirectory: build