go generate ./packer

CHANGELOG.md

@@ -3,6 +3,8 @@
 ### BACKWARDS INCOMPATIBILITIES:
 * core/hcl2: Maps are now treated as settable arguments as opposed to blocks.
     For example `tags = {}` instead of `tags {}` [GH-9035]
+* `packer build` command: removed option to set `parallel=false`, use
+    `-parallel-builds=1` for this.
 
 ### FEATURES:
 * **New Builder** azure-dtl allows creation of devtestlabs images in Azure

command/build.go

@@ -374,8 +374,7 @@ Options:
   -force                        Force a build to continue if artifacts exist, deletes existing artifacts.
   -machine-readable             Produce machine-readable output.
   -on-error=[cleanup|abort|ask] If the build fails do: clean up (default), abort, or ask.
-  -parallel-builds=1               Disable parallelization. (Default: true)
-  -parallel-builds=1            Number of builds to run in parallel. 0 means no limit (Default: 0)
+  -parallel-builds=1            Number of builds to run in parallel. 1 disables parallelization. 0 means no limit (Default: 0)
   -timestamp-ui                 Enable prefixing of each ui output with an RFC3339 timestamp.
   -var 'key=value'              Variable for templates, can be used multiple times.
   -var-file=path                JSON file containing user variables. [ Note that even in HCL mode this expects file to contain JSON, a fix is comming soon ]

packer/run_interfaces.go

@@ -19,14 +19,13 @@ type BuildGetter interface {
 type FixConfigMode int
 
 const (
+	// Stdout will make FixConfig simply print what the config should be; it
+	// will only work when a single file is passed.
 	Stdout FixConfigMode = iota
 	// Inplace fixes your files on the spot.
 	Inplace
 	// Diff shows a full diff.
 	Diff
-	// SimpleOutput will simply print what the config should be; it will only
-	// work when a single file is passed.
-	SimpleOutput
 )
 
 type FixConfigOptions struct {