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environment: ignore env var assignments > 1 KiB

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...to guard against recursive constructs like FOO=$FOO:bar which would
grow on each reconfigure.

Add log message as well as a warning against this in the man page.
This commit is contained in:
Johan Malm 2024-11-08 21:02:55 +00:00
parent 7e50c60b00
commit b12e301b63
2 changed files with 33 additions and 3 deletions
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11
docs/labwc-config.5.scd
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@ -50,9 +50,14 @@ that directory contains either the "environment" file or at least one
Note: environment files are treated differently by Openbox, which will simply
source the file as a valid shell script before running the window manager. Files
are instead parsed directly by labwc, although any environment variables
referenced as $VARIABLE or ${VARIABLE} will be substituted and the tilde (~)
will be expanded as the user's home directory.
are instead parsed directly by labwc so that environment variables can be
re-loaded on --reconfigure.
Any environment variables referenced as $VARIABLE or ${VARIABLE} will be
substituted and the tilde (~) will be expanded as the user's home directory.
Please note that as labwc reloads the environment file(s) on reconfigure,
recursive/circular assignments (for example FOO=$FOO:bar) should not be made.
The *autostart* file is executed as a shell script after labwc has read its
configuration and set variables defined in the environment file. Additionally,