Introduce new "v" version format (#2374)

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

Author: umbynos

Diff for: .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"

Diff for: 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: >-

Diff for: 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.
 

Diff for: 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")