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| author | Lennart Poettering <lennart@poettering.net> | 2017-12-23 15:02:58 +0100 |
|---|---|---|
| committer | Lennart Poettering <lennart@poettering.net> | 2017-12-26 17:43:29 +0100 |
| commit | 68c58c67b55e1de5e447bcc9def9532634503a69 (patch) | |
| tree | 6960b3f2a582aaf8fa8fd4a2451965d202475a01 /man | |
| parent | Add note about kernel version unportability (diff) | |
| download | systemd-68c58c67b55e1de5e447bcc9def9532634503a69.tar.xz systemd-68c58c67b55e1de5e447bcc9def9532634503a69.zip | |
condition: extend ConditionKernelVersion= with relative version checks
Now that we have str_verscmp() in our source tree anyway, let's make it
generic and reuse it for ConditionKernelVersion=.
Diffstat (limited to 'man')
| -rw-r--r-- | man/systemd.unit.xml | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/man/systemd.unit.xml b/man/systemd.unit.xml index 73f33a4580..19a6db7f65 100644 --- a/man/systemd.unit.xml +++ b/man/systemd.unit.xml @@ -1053,7 +1053,9 @@ <para><varname>ConditionKernelVersion=</varname> may be used to check whether the kernel version (as reported by <command>uname -r</command>) matches a certain expression (or if prefixed with the exclamation mark does not - match it). The argument must be a single string, optionally containing shell-style globs.</para> + match it). The argument must be a single string. If the string starts with one of <literal><</literal>, + <literal><=</literal>, <literal>=</literal>, <literal>>=</literal>, <literal>></literal> a relative + version comparison is done, otherwise the specified string is matched with shell-style globs.</para> <para>Note that using the kernel version string is an unreliable way to determine which features are supported by a kernel, because of the widespread practice of backporting drivers, features, and fixes from newer upstream |