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* documentation: document nss-systemd's internal environment variables in ↵Lennart Poettering2017-09-221-0/+14
| | | | ENVIRONMENT.md
* Rename $TEST_DIR to $SYSTEMD_TEST_DATA, document itZbigniew Jędrzejewski-Szmek2017-02-161-0/+5
| | | | | TEST_DIR is rather generic, and we prefix all variables used by installed executables with "SYSTEMD_".
* util-lib: read $SYSTEMD_PROC_CMDLINE if set when looking for the kernel cmdlineLennart Poettering2016-12-211-0/+5
| | | | | | if we want to parse the kernel command line, let's check the $SYSTEMD_PROC_CMDLINE environment variable first. This is useful for debugging purposes.
* Add a bit of documentation for the various undocumented environment ↵Lennart Poettering2016-12-141-0/+56
variables we honour