Call actions on flags set from env#2221
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dearchap merged 1 commit intourfave:mainfrom Nov 9, 2025
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Ensures flag actions are called when flags are set via env vars.
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…gs-from-env Call actions on flags set from env Signed-off-by: Naveen Gogineni <dear.chap@gmail.com>
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What type of PR is this?
What this PR does / why we need it:
Flag actions are invoked in
cmd.runFlagActionswhich is called after the flag values have been set, whether by-x valor from other sources. This method ranges overcmd.setFlagswhich is amap[Flag]struct{}.Currently
cmd.setFlagsis only populated with flags that are set via-x valetc.cmd.setFlagsis unchanged when flag values are loaded from the env.This PR checks if the flag was unset before
Flag.PostParse(), but was set afterFlag.PostParse()was called. If so, the flag is added tocmd.setFlagsand it'sAction(if present) is invoked.Which issue(s) this PR fixes:
Fixes #2041
Fixes #2132
Special notes for your reviewer:
@dearchap has raised some concerns over local vs non-local flag actions. I don't fully understand the context of those concerns so a sanity check of this PR would be appreciated. Note that in the regression test added in this PR
Localmakes no difference, the test fails before the changes whetherLocalistrueorfalse.Testing
A regression test is provided.
Release Notes