fix: snapshot version template should not have the leading 'v'

closes #5142

internal/pipe/bluesky/bluesky_test.go

@@ -74,7 +74,7 @@ func TestLive(t *testing.T) {
 
 	ctx.Config.ProjectName = "Goreleaser"
 	ctx.ReleaseURL = "https://goreleaser.com/customization/announce/bluesky"
-	ctx.Version = "v1.26.0"
+	ctx.Version = "1.26.0"
 
 	require.NoError(t, bluesky.Pipe{}.Default(ctx))
 	require.NoError(t, bluesky.Pipe{}.Announce(ctx))

internal/pipe/snapshot/snapshot_test.go

@@ -62,11 +62,11 @@ func TestSnapshotEmptyFinalName(t *testing.T) {
 func TestSnapshot(t *testing.T) {
 	ctx := testctx.NewWithCfg(config.Project{
 		Snapshot: config.Snapshot{
-			VersionTemplate: "{{ incpatch .Tag }}",
+			VersionTemplate: "{{ incpatch .Version }}",
 		},
-	}, testctx.WithCurrentTag("v1.2.3"))
+	}, testctx.WithVersion("1.2.3"))
 	require.NoError(t, Pipe{}.Run(ctx))
-	require.Equal(t, "v1.2.4", ctx.Version)
+	require.Equal(t, "1.2.4", ctx.Version)
 }
 
 func TestSkip(t *testing.T) {

www/docs/customization/nightlies.md

@@ -35,6 +35,11 @@ nightly:
   keep_single_release: true
 ```
 
+!!! warning
+
+    Do not use the `{{.Tag}}` field in the `version_template`, as the version
+    should not have the leading `v`.
+
 ## How it works
 
 When you run GoReleaser with `--nightly`, it will set the `Version` template

www/docs/customization/snapshots.md

@@ -19,6 +19,11 @@ snapshot:
   version_template: "{{ incpatch .Version }}-devel"
 ```
 
+!!! warning
+
+    Do not use the `{{.Tag}}` field in the `version_template`, as the version
+    should not have the leading `v`.
+
 ## How it works
 
 When you run GoReleaser with `--snapshot`, it will set the `Version` template