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authorKlaus Aehlig <klaus.aehlig@huawei.com>2022-04-25 12:12:14 +0200
committerKlaus Aehlig <klaus.aehlig@huawei.com>2022-04-25 15:26:53 +0200
commit32322ff28c151d8ec5510b7019365d573e44bddf (patch)
treeba1d961cb7414bed54fc8a617f51fcd15d620fcd /doc/concepts
parent32981ac5493a7d9925130609ad123ae2ac9984ab (diff)
downloadjustbuild-32322ff28c151d8ec5510b7019365d573e44bddf.tar.gz
expression: add "msg" argument to "to_subdir"
... allowing to provide additional information in case of conflict during flat staging.
Diffstat (limited to 'doc/concepts')
-rw-r--r--doc/concepts/expressions.org4
1 files changed, 3 insertions, 1 deletions
diff --git a/doc/concepts/expressions.org b/doc/concepts/expressions.org
index cfe058ba..c8d2a9a5 100644
--- a/doc/concepts/expressions.org
+++ b/doc/concepts/expressions.org
@@ -253,7 +253,9 @@ those) argument(s) to obtain the final result.
argument ~"flat"~ (default ~false~) evaluates to a true value,
the keys are instead replaced by the path concatenation of the
~"subdir"~ argument and the base name of the old key. It is an
- error if conflicts occur in this way.
+ error if conflicts occur in this way; in case of such a user
+ error, the argument ~"msg"~ is also evaluated and the result
+ of that evaluatino reported in the error message.
***** Binary functions