Introduce new "v" version format

we'll keep 0.35.x release branch name. We'll use "v" only for the tag,
this way the documentation branches will work just like before,
we are using "v" only for the github tag
this way we are semver compliant

.github/workflows/release-go-task.yml

@@ -13,7 +13,7 @@ env:
 on:
   push:
     tags:
-      - "[0-9]+.[0-9]+.[0-9]+*"
+      - "v[0-9]+.[0-9]+.[0-9]+*"
 
 jobs:
   create-release-artifacts:
@@ -45,7 +45,7 @@ jobs:
         if: matrix.os == 'Windows_32bit'
         uses: arduino/create-changelog@v1
         with:
-          tag-regex: '^[0-9]+\.[0-9]+\.[0-9]+.*$'
+          tag-regex: '^v[0-9]+\.[0-9]+\.[0-9]+.*$'
           filter-regex: '^\[(skip|changelog)[ ,-](skip|changelog)\].*'
           case-insensitive-regex: true
           changelog-file-path: "${{ env.DIST_DIR }}/CHANGELOG.md"

Taskfile.yml

@@ -363,7 +363,7 @@ vars:
   TIMESTAMP_SHORT:
     sh: echo "{{now | date "20060102"}}"
   TAG:
-    sh: echo "$(git tag --points-at=HEAD 2> /dev/null | head -n1)"
+    sh: echo "$(git tag --points-at=HEAD 2> /dev/null | head -n1 | sed 's/^v//')"
   VERSION: "{{if .NIGHTLY}}nightly-{{.TIMESTAMP_SHORT}}{{else if .TAG}}{{.TAG}}{{else}}{{.PACKAGE_NAME_PREFIX}}git-snapshot{{end}}"
   CONFIGURATION_PACKAGE: "github.com/arduino/arduino-cli/version"
   LDFLAGS: >-

docs/UPGRADING.md

@@ -2,7 +2,7 @@
 
 Here you can find a list of migration guides to handle breaking changes between releases of the CLI.
 
-## 0.35.0
+## v0.35.0
 
 ### CLI `debug --info` changed JSON output.
 

install.sh

@@ -84,7 +84,7 @@ initDownloadTool() {
 checkLatestVersion() {
   # Use the GitHub releases webpage to find the latest version for this project
   # so we don't get rate-limited.
-  CHECKLATESTVERSION_REGEX="[0-9][A-Za-z0-9\.-]*"
+  CHECKLATESTVERSION_REGEX="v?[0-9][A-Za-z0-9\.-]*"
   CHECKLATESTVERSION_LATEST_URL="https://github.com/${PROJECT_OWNER}/${PROJECT_NAME}/releases/latest"
   if [ "$DOWNLOAD_TOOL" = "curl" ]; then
     CHECKLATESTVERSION_TAG=$(curl -SsL $CHECKLATESTVERSION_LATEST_URL | grep -o "<title>Release $CHECKLATESTVERSION_REGEX · ${PROJECT_OWNER}/${PROJECT_NAME}" | grep -o "$CHECKLATESTVERSION_REGEX")