Change Log
ATTN: This project uses semantic versioning.
[1.19.0] - 2016-11-19
Added
FlagsByName was added to make it easy to sort flags (e.g. sort.Sort(cli.FlagsByName(app.Flags)))
- A
Description field was added to App for a more detailed description of
the application (similar to the existing Description field on Command)
- Flag type code generation via
go generate
- Write to stderr and exit 1 if action returns non-nil error
- Added support for TOML to the
altsrc loader
SkipArgReorder was added to allow users to skip the argument reordering.
This is useful if you want to consider all "flags" after an argument as
arguments rather than flags (the default behavior of the stdlib flag
library). This is backported functionality from the removal of the flag
reordering in the unreleased version
2
- For formatted errors (those implementing
ErrorFormatter), the errors will
be formatted during output. Compatible with pkg/errors.
Changed
- Raise minimum tested/supported Go version to 1.2+
Fixed
- Consider empty environment variables as set (previously environment variables
with the equivalent of
"" would be skipped rather than their value used).
- Return an error if the value in a given environment variable cannot be parsed
as the flag type. Previously these errors were silently swallowed.
- Print full error when an invalid flag is specified (which includes the invalid flag)
App.Writer defaults to stdout when nil
- If no action is specified on a command or app, the help is now printed instead of
panicing
App.Metadata is initialized automatically now (previously was nil unless initialized)
- Correctly show help message if
-h is provided to a subcommand
context.(Global)IsSet now respects environment variables. Previously it
would return false if a flag was specified in the environment rather than
as an argument
- Removed deprecation warnings to STDERR to avoid them leaking to the end-user
altsrcs import paths were updated to use gopkg.in/urfave/cli.v1. This
fixes issues that occurred when gopkg.in/urfave/cli.v1 was imported as well
as altsrc where Go would complain that the types didn't match
[1.18.1] - 2016-08-28
Fixed
- Removed deprecation warnings to STDERR to avoid them leaking to the end-user (backported)
1.18.0 - 2016-06-27
Added
./runtests test runner with coverage tracking by default
- testing on OS X
- testing on Windows
UintFlag, Uint64Flag, and Int64Flag types and supporting code
Changed
- Use spaces for alignment in help/usage output instead of tabs, making the
output alignment consistent regardless of tab width
Fixed
- Printing of command aliases in help text
- Printing of visible flags for both struct and struct pointer flags
- Display the
help subcommand when using CommandCategories
- No longer swallows
panics that occur within the Actions themselves when
detecting the signature of the Action field
[1.17.1] - 2016-08-28
Fixed
- Removed deprecation warnings to STDERR to avoid them leaking to the end-user
1.17.0 - 2016-05-09
Added
- Pluggable flag-level help text rendering via
cli.DefaultFlagStringFunc
context.GlobalBoolT was added as an analogue to context.GlobalBool
- Support for hiding commands by setting
Hidden: true -- this will hide the
commands in help output
Changed
Float64Flag, IntFlag, and DurationFlag default values are no longer
quoted in help text output.
- All flag types now include
(default: {value}) strings following usage when a
default value can be (reasonably) detected.
IntSliceFlag and StringSliceFlag usage strings are now more consistent
with non-slice flag types
- Apps now exit with a code of 3 if an unknown subcommand is specified
(previously they printed "No help topic for...", but still exited 0. This
makes it easier to script around apps built using
cli since they can trust
that a 0 exit code indicated a successful execution.
- cleanups based on Go Report Card
feedback
[1.16.1] - 2016-08-28
Fixed
- Removed deprecation warnings to STDERR to avoid them leaking to the end-user
1.16.0 - 2016-05-02
Added
Hidden field on all flag struct types to omit from generated help text
Changed
BashCompletionFlag (--enable-bash-completion) is now omitted from
generated help text via the Hidden field
Fixed
- handling of error values in
HandleAction and HandleExitCoder
1.15.0 - 2016-04-30
Added
- This file!
- Support for placeholders in flag usage strings
App.Metadata map for arbitrary data/state management
Set and GlobalSet methods on *cli.Context for altering values after
parsing.
- Support for nested lookup of dot-delimited keys in structures loaded from
YAML.
Changed
- The
App.Action and Command.Action now prefer a return signature of
func(*cli.Context) error, as defined by cli.ActionFunc. If a non-nil
error is returned, there may be two outcomes:
- If the error fulfills
cli.ExitCoder, then os.Exit will be called
automatically
- Else the error is bubbled up and returned from
App.Run
- Specifying an
Action with the legacy return signature of
func(*cli.Context) will produce a deprecation message to stderr
- Specifying an
Action that is not a func type will produce a non-zero exit
from App.Run
- Specifying an
Action func that has an invalid (input) signature will
produce a non-zero exit from App.Run
Deprecated
-
cli.App.RunAndExitOnError, which should now be done by returning an error
that fulfills cli.ExitCoder to cli.App.Run.
- the legacy signature for
cli.App.Action of func(*cli.Context), which should now have a return
signature of func(*cli.Context) error, as defined by cli.ActionFunc.
Fixed
- Added missing
*cli.Context.GlobalFloat64 method
1.14.0 - 2016-04-03 (backfilled 2016-04-25)
Added
- Codebeat badge
- Support for categorization via
CategorizedHelp and Categories on app.
Changed
- Use
filepath.Base instead of path.Base in Name and HelpName.
Fixed
- Ensure version is not shown in help text when
HideVersion set.
1.13.0 - 2016-03-06 (backfilled 2016-04-25)
Added
- YAML file input support.
NArg method on context.
1.12.0 - 2016-02-17 (backfilled 2016-04-25)
Added
- Custom usage error handling.
- Custom text support in
USAGE section of help output.
- Improved help messages for empty strings.
- AppVeyor CI configuration.
Changed
- Removed
panic from default help printer func.
- De-duping and optimizations.
Fixed
- Correctly handle
Before/After at command level when no subcommands.
- Case of literal
- argument causing flag reordering.
- Environment variable hints on Windows.
- Docs updates.
1.11.1 - 2015-12-21 (backfilled 2016-04-25)
Changed
- Use
path.Base in Name and HelpName
- Export
GetName on flag types.
Fixed
- Flag parsing when skipping is enabled.
- Test output cleanup.
- Move completion check to account for empty input case.
1.11.0 - 2015-11-15 (backfilled 2016-04-25)
Added
- Destination scan support for flags.
- Testing against
tip in Travis CI config.
Changed
- Go version in Travis CI config.
Fixed
- Removed redundant tests.
- Use correct example naming in tests.
1.10.2 - 2015-10-29 (backfilled 2016-04-25)
Fixed
- Remove unused var in bash completion.
1.10.1 - 2015-10-21 (backfilled 2016-04-25)
Added
- Coverage and reference logos in README.
Fixed
- Use specified values in help and version parsing.
- Only display app version and help message once.
1.10.0 - 2015-10-06 (backfilled 2016-04-25)
Added
- More tests for existing functionality.
ArgsUsage at app and command level for help text flexibility.
Fixed
- Honor
HideHelp and HideVersion in App.Run.
- Remove juvenile word from README.
1.9.0 - 2015-09-08 (backfilled 2016-04-25)
Added
FullName on command with accompanying help output update.
- Set default
$PROG in bash completion.
Changed
Fixed
- Removed self-referential imports in tests.
1.8.0 - 2015-06-30 (backfilled 2016-04-25)
Added
- Support for
Copyright at app level.
Parent func at context level to walk up context lineage.
Fixed
- Global flag processing at top level.
1.7.1 - 2015-06-11 (backfilled 2016-04-25)
Added
- Aggregate errors from
Before/After funcs.
- Doc comments on flag structs.
- Include non-global flags when checking version and help.
- Travis CI config updates.
Fixed
- Ensure slice type flags have non-nil values.
- Collect global flags from the full command hierarchy.
- Docs prose.
1.7.0 - 2015-05-03 (backfilled 2016-04-25)
Changed
HelpPrinter signature includes output writer.
Fixed
- Specify go 1.1+ in docs.
- Set
Writer when running command as app.
1.6.0 - 2015-03-23 (backfilled 2016-04-25)
Added
- Multiple author support.
NumFlags at context level.
Aliases at command level.
Deprecated
ShortName at command level.
Fixed
- Subcommand help output.
- Backward compatible support for deprecated
Author and Email fields.
- Docs regarding
Names/Aliases.
1.5.0 - 2015-02-20 (backfilled 2016-04-25)
Added
After hook func support at app and command level.
Fixed
- Use parsed context when running command as subcommand.
- Docs prose.
1.4.1 - 2015-01-09 (backfilled 2016-04-25)
Added
- Support for hiding
-h / --help flags, but not help subcommand.
- Stop flag parsing after
--.
Fixed
- Help text for generic flags to specify single value.
- Use double quotes in output for defaults.
- Use
ParseInt instead of ParseUint for int environment var values.
- Use
0 as base when parsing int environment var values.
1.4.0 - 2014-12-12 (backfilled 2016-04-25)
Added
- Support for environment variable lookup "cascade".
- Support for
Stdout on app for output redirection.
Fixed
- Print command help instead of app help in
ShowCommandHelp.
1.3.1 - 2014-11-13 (backfilled 2016-04-25)
Added
- Docs and example code updates.
Changed
- Default
-v / --version flag made optional.
1.3.0 - 2014-08-10 (backfilled 2016-04-25)
Added
FlagNames at context level.
- Exposed
VersionPrinter var for more control over version output.
- Zsh completion hook.
AUTHOR section in default app help template.
- Contribution guidelines.
DurationFlag type.
1.2.0 - 2014-08-02
Added
- Support for environment variable defaults on flags plus tests.
1.1.0 - 2014-07-15
Added
- Bash completion.
- Optional hiding of built-in help command.
- Optional skipping of flag parsing at command level.
Author, Email, and Compiled metadata on app.
Before hook func support at app and command level.
CommandNotFound func support at app level.
- Command reference available on context.
GenericFlag type.
Float64Flag type.
BoolTFlag type.
IsSet flag helper on context.
- More flag lookup funcs at context level.
- More tests & docs.
Changed
- Help template updates to account for presence/absence of flags.
- Separated subcommand help template.
- Exposed
HelpPrinter var for more control over help output.
1.0.0 - 2013-11-01
Added
help flag in default app flag set and each command flag set.
- Custom handling of argument parsing errors.
- Command lookup by name at app level.
StringSliceFlag type and supporting StringSlice type.
IntSliceFlag type and supporting IntSlice type.
- Slice type flag lookups by name at context level.
- Export of app and command help functions.
- More tests & docs.
0.1.0 - 2013-07-22
Added