[Emacs-diffs] master 6c677a1: Mention the Emacs exit code in batch mode

[Lars Ingebrigtsen]

branch: master
commit 6c677a101d16cffd1e59acf090c4769561f82a53
Author: Lars Ingebrigtsen <address@hidden>
Commit: Lars Ingebrigtsen <address@hidden>

    Mention the Emacs exit code in batch mode
    
    * doc/lispref/os.texi (Batch Mode): Mention what the exit code is
    if an error is signalled (bug#31552).
---
 doc/lispref/os.texi | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/doc/lispref/os.texi b/doc/lispref/os.texi
index 912d464..93551ca 100644
--- a/doc/lispref/os.texi
+++ b/doc/lispref/os.texi
@@ -2595,6 +2595,15 @@ if it is non-@code{nil}; this can be overridden by 
binding
 This variable is non-@code{nil} when Emacs is running in batch mode.
 @end defvar
 
+If Emacs exits due to signalling an error in batch mode, the exit
+status of the Emacs command is non-zero:
+
+@example
+$ emacs -Q --batch --eval '(error "foo")'; echo $?
+foo
+255
+@end example
+
 @node Session Management
 @section Session Management
 @cindex session manager