support parallel running of commands #2215
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`go test -run 'TestCommand_ParallelRun' -count 100000 -failfast -race`
- defaultSliceFlagSeparator, disableSliceFlagSeparator, defaultMapFlagKeyValueSeparator converted to consts - command - new MapFlagKeyValueSeparator field
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dearchap
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Oct 25, 2025
dearchap
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Oct 25, 2025
dearchap
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Oct 26, 2025
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| func (cmd *Command) set(fName string, f Flag, val string) error { | ||
| cmd.setFlags[f] = struct{}{} | ||
| cmd.setMultiValueParsingConfig(f) |
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strictly speaking this call should be moved into PreParse phase.
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Hi @dearchap
I tried to avoid breaking things, and there are two set methods set and Set
Initially I thought to call setMultiValueParsingConfig from inside parseFlags(args Args) (Args, error) { or run(... but found that Set can be called without Run , at least in tests , so I moved it where setMultiValueParsingConfig will be called for sure
dearchap
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dearchap
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dearchap
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Oct 28, 2025
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What type of PR is this?
Fix to allow running commands in parallel (probably partial)
What this PR does / why we need it:
go test -run 'TestCommand_ParallelRun' -count 100000 -failfast -raceHelpFlagreuse in different commands by cloning flagVersionFlagreuse in different commandsdefaultSliceFlagSeparator,disableSliceFlagSeparator,defaultMapFlagKeyValueSeparatorconverted to constsMapFlagKeyValueSeparatorfieldSliceFlagSeparator,DisableSliceFlagSeparator,MapFlagKeyValueSeparatorare propagated down to FlagBase and then to (MapBase|SliceBase)Which issue(s) this PR fixes:
Fixes #2176
Special notes for your reviewer:
I just lurked around, so please recheck carefully
Testing
go test -run 'TestCommand_ParallelRun' -count 100000 -failfast -raceRelease Notes