Add flag skip-existing to skip upload if release exists (helm#134)

* add skip-existing option

Signed-off-by: Alexandre Nicolaie dit Clairville <alexandre.nicolaie@gmail.com>

---------

Signed-off-by: Alexandre Nicolaie dit Clairville <alexandre.nicolaie@gmail.com>
Signed-off-by: Alexandre NICOLAIE <xunleii@users.noreply.github.com>
Co-authored-by: Carlos Tadeu Panato Junior <ctadeu@gmail.com>

action.yml

@@ -23,7 +23,10 @@ inputs:
     description: "Just install cr tool"
     required: false
   skip_packaging:
-    description: "skip the packaging option (do your custom packaging before running this action"
+    description: "Skip the packaging option (do your custom packaging before running this action)"
+    required: false
+  skip_existing:
+    description: "Skip package upload if release exists"
     required: false
   mark_as_latest:
     description: Mark the created GitHub release as 'latest'
@@ -65,6 +68,10 @@ runs:
             args+=(--skip-packaging "${{ inputs.skip_packaging }}")
         fi
 
+        if [[ -n "${{ inputs.skip_existing }}" ]]; then
+            args+=(--skip-existing "${{ inputs.skip_existing }}")
+        fi
+
         if [[ -n "${{ inputs.mark_as_latest }}" ]]; then
             args+=(--mark-as-latest "${{ inputs.mark_as_latest }}")
         fi

cr.sh

@@ -33,6 +33,7 @@ Usage: $(basename "$0") <options>
     -n, --install-dir        The Path to install the cr tool
     -i, --install-only       Just install the cr tool
     -s, --skip-packaging     Skip the packaging step (run your own packaging before using the releaser)
+        --skip-existing      Skip package upload if release exists
     -l, --mark-as-latest     Mark the created GitHub release as 'latest' (default: true)
 EOF
 }
@@ -46,6 +47,7 @@ main() {
     local install_dir=
     local install_only=
     local skip_packaging=
+    local skip_existing=
     local mark_as_latest=true
 
     parse_command_line "$@"
@@ -173,6 +175,12 @@ parse_command_line() {
                     shift
                 fi
                 ;;
+            --skip-existing)
+                if [[ -n "${2:-}" ]]; then
+                    skip_existing="$2"
+                    shift
+                fi
+                ;;
             -l|--mark-as-latest)
                 if [[ -n "${2:-}" ]]; then
                     mark_as_latest="$2"
@@ -280,6 +288,9 @@ release_charts() {
     if [[ -n "$config" ]]; then
         args+=(--config "$config")
     fi
+    if [[ -n "$skip_existing" ]]; then
+        args+=(--skip-existing)
+    fi
     if [[ "$mark_as_latest" = false ]]; then
         args+=(--make-release-latest=false)
     fi