breaking: do not default to uname values

check discussion on #236

closes #236

README.md

@@ -276,8 +276,6 @@ archive:
   # Replacements for GOOS and GOARCH on the archive name.
   # The keys should be valid GOOS or GOARCH values followed by your custom
   # replacements.
-  # By default, `replacements` replace GOOS and GOARCH values with valid outputs
-  # of `uname -s` and `uname -m` respectively.
   replacements:
     amd64: 64-bit
     386: 32-bit

goreleaser.yml

@@ -13,6 +13,12 @@ build:
     - arm
     - arm64
 archive:
+  replacements:
+    darwin: Darwin
+    linux: Linux
+    windows: Windows
+    386: i386
+    amd64: x86_64
   format_overrides:
     - goos: windows
       format: zip

pipeline/defaults/defaults_test.go

@@ -34,7 +34,6 @@ func TestFillBasicData(t *testing.T) {
 	assert.Contains(ctx.Config.Build.Goarch, "amd64")
 	assert.Contains(ctx.Config.Brew.Install, "bin.install \"goreleaser\"")
 	assert.NotEmpty(
-		ctx.Config.Archive.Replacements,
 		ctx.Config.Archive.NameTemplate,
 		ctx.Config.Build.Ldflags,
 		ctx.Config.Archive.Files,