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authorsterni <sternenseemann@systemli.org>2022-02-13T16·44+0100
committersterni <sternenseemann@systemli.org>2022-02-13T17·06+0000
commitb7be2660c92fe206e01c0236dc03e2dee03dfa3b (patch)
treee4936a33c4ddefbd75f062c27532583e0e0ecdea /tools
parent235eda6649daf21825bec425eebd68da834c40ef (diff)
fix(magrathea): print [mg] messages to stderr r/3813
I want to add a shortcut to build and run e.g. scripts that are depot
targets - for which it would be useful to not have stdout polluted by
magrathea itself.

Change-Id: Ic58fe28eafb4d0715e53beae041bfaa5d1745812
Reviewed-on: https://cl.tvl.fyi/c/depot/+/5276
Tested-by: BuildkiteCI
Reviewed-by: tazjin <tazjin@tvl.su>
Diffstat (limited to 'tools')
-rw-r--r--tools/magrathea/mg.scm4
1 files changed, 2 insertions, 2 deletions
diff --git a/tools/magrathea/mg.scm b/tools/magrathea/mg.scm
index e5b0cb07d4de..86fed6fc2490 100644
--- a/tools/magrathea/mg.scm
+++ b/tools/magrathea/mg.scm
@@ -214,7 +214,7 @@ USAGE
 
 (define (execute-build t)
   (let ((expr (nix-expr-for t)))
-    (printf "[mg] building target ~A~%" t)
+    (fprintf (current-error-port) "[mg] building target ~A~%" t)
     (process-execute "nix-build" (list "-E" expr "--show-trace"))))
 
 (define (build args)
@@ -232,7 +232,7 @@ USAGE
 (define (execute-shell t)
   (let ((expr (nix-expr-for t))
         (user-shell (or (get-environment-variable "SHELL") "bash")))
-    (printf "[mg] entering shell for ~A~%" t)
+    (fprintf (current-error-port) "[mg] entering shell for ~A~%" t)
     (process-execute "nix-shell"
                      (list "-E" expr "--command" user-shell))))