Honor build_tags in config

.chloggen/fixbuildtags.yaml

@@ -0,0 +1,20 @@
+# Use this changelog template to create an entry for release notes.
+
+# One of 'breaking', 'deprecation', 'new_component', 'enhancement', 'bug_fix'
+change_type: 'bug_fix'
+
+# The name of the component, or a single word describing the area of concern, (e.g. otlpreceiver)
+component: builder
+
+# A brief description of the change.  Surround your text with quotes ("") if it needs to start with a backtick (`).
+note: Honor build_tags in config
+
+# One or more tracking issues or pull requests related to the change
+issues: [11156]
+
+# Optional: The change log or logs in which this entry should be included.
+# e.g. '[user]' or '[user, api]'
+# Include 'user' if the change is relevant to end users.
+# Include 'api' if there is a change to a library API.
+# Default: '[user]'
+change_logs: [user]

cmd/builder/internal/command.go

@@ -32,6 +32,7 @@ const (
 	distributionOutputPathFlag     = "output-path"
 	distributionGoFlag             = "go"
 	distributionModuleFlag         = "module"
+	distributionBuildTagsFlag      = "build-tags"
 	verboseFlag                    = "verbose"
 )
 
@@ -209,5 +210,8 @@ func applyCfgFromFile(flags *flag.FlagSet, cfgFromFile builder.Config) {
 	if !flags.Changed(distributionModuleFlag) && cfgFromFile.Distribution.Module != "" {
 		cfg.Distribution.Module = cfgFromFile.Distribution.Module
 	}
+	if !flags.Changed(distributionBuildTagsFlag) && cfgFromFile.Distribution.BuildTags != "" {
+		cfg.Distribution.BuildTags = cfgFromFile.Distribution.BuildTags
+	}
 	cfg.Distribution.DebugCompilation = cfgFromFile.Distribution.DebugCompilation
 }