feat: Warn when overriding CHEZMOI_ env vars

Co-authored-by: Austin Ziegler <austin@zieglers.ca>
twpayne · Oct 10, 2023 · f47c268 · f47c268
1 parent 7203d6b
commit f47c268
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/internal/cmd/config.go b/internal/cmd/config.go
@@ -2125,6 +2125,9 @@ func (c *Config) persistentPreRunRootE(cmd *cobra.Command, args []string) error
 		}
 	}
 	for key, value := range c.ScriptEnv {
+		if strings.HasPrefix(key, "CHEZMOI_") {
+			c.errorf("warning: %s: overriding reserved environment variable", key)
+		}
 		os.Setenv(key, value)
 	}