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run: refuse --no-block when combined with --scope

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In the systemd-run --scope mode, --no-block has no actual effect and will
be silently ignored. Therefore, this combination is explicitly rejected to
reduce confusion for users when using it.

Fixes: #42806
This commit is contained in:
Shihao Ren
2026-06-30 20:30:50 +08:00
committed by Lennart Poettering
parent afcc11d938
commit 48dc1bbd09
2 changed files with 5 additions and 1 deletions
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2
man/systemd-run.xml
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@@ -514,7 +514,7 @@
<para>Do not synchronously wait for the unit start operation to finish. If this option is not specified, the
start request for the transient unit will be verified, enqueued and <command>systemd-run</command> will wait
until the unit's start-up is completed. By passing this argument, it is only verified and enqueued. This
option may not be combined with <option>--wait</option>.</para>
option may not be combined with <option>--wait</option> or <option>--scope</option>.</para>
<xi:include href="version-info.xml" xpointer="v220"/>
</listitem>

4
src/run/run.c
View File

@@ -694,6 +694,10 @@ static int parse_argv(int argc, char *argv[]) {
return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
"--remain-after-exit and --service-type= are not supported in --scope mode.");
if (arg_scope && arg_no_block)
return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
"--no-block is not supported in --scope mode.");
if (arg_stdio != ARG_STDIO_NONE) {
if (with_trigger || arg_scope)
return log_error_errno(SYNTHETIC_ERRNO(EINVAL),