x/urfave-cli
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Merge pull request #253 from databus23/fix-isssue-252

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Fix global flags processing on top level
This commit is contained in:
Jesse Szwedko 2015-06-29 21:01:06 -07:00
commit b6d983e02c
2 changed files with 34 additions and 10 deletions
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17
app_test.go
View File

@ -627,6 +627,23 @@ func TestAppCommandNotFound(t *testing.T) {
expect(t, subcommandRun, false)
}
func TestGlobalFlag(t *testing.T) {
var globalFlag string
var globalFlagSet bool
app := cli.NewApp()
app.Flags = []cli.Flag{
cli.StringFlag{Name: "global, g", Usage: "global"},
}
app.Action = func(c *cli.Context) {
globalFlag = c.GlobalString("global")
globalFlagSet = c.GlobalIsSet("global")
}
app.Run([]string{"command", "-g", "foo"})
expect(t, globalFlag, "foo")
expect(t, globalFlagSet, true)
}
func TestGlobalFlagsInSubcommands(t *testing.T) {
subcommandRun := false
parentFlag := false

27
context.go
View File

@ -73,7 +73,7 @@ func (c *Context) Generic(name string) interface{} {
// Looks up the value of a global int flag, returns 0 if no int flag exists
func (c *Context) GlobalInt(name string) int {
if fs := lookupParentFlagSet(name, c); fs != nil {
if fs := lookupGlobalFlagSet(name, c); fs != nil {
return lookupInt(name, fs)
}
return 0
@ -81,7 +81,7 @@ func (c *Context) GlobalInt(name string) int {
// Looks up the value of a global time.Duration flag, returns 0 if no time.Duration flag exists
func (c *Context) GlobalDuration(name string) time.Duration {
if fs := lookupParentFlagSet(name, c); fs != nil {
if fs := lookupGlobalFlagSet(name, c); fs != nil {
return lookupDuration(name, fs)
}
return 0
@ -89,7 +89,7 @@ func (c *Context) GlobalDuration(name string) time.Duration {
// Looks up the value of a global bool flag, returns false if no bool flag exists
func (c *Context) GlobalBool(name string) bool {
if fs := lookupParentFlagSet(name, c); fs != nil {
if fs := lookupGlobalFlagSet(name, c); fs != nil {
return lookupBool(name, fs)
}
return false
@ -97,7 +97,7 @@ func (c *Context) GlobalBool(name string) bool {
// Looks up the value of a global string flag, returns "" if no string flag exists
func (c *Context) GlobalString(name string) string {
if fs := lookupParentFlagSet(name, c); fs != nil {
if fs := lookupGlobalFlagSet(name, c); fs != nil {
return lookupString(name, fs)
}
return ""
@ -105,7 +105,7 @@ func (c *Context) GlobalString(name string) string {
// Looks up the value of a global string slice flag, returns nil if no string slice flag exists
func (c *Context) GlobalStringSlice(name string) []string {
if fs := lookupParentFlagSet(name, c); fs != nil {
if fs := lookupGlobalFlagSet(name, c); fs != nil {
return lookupStringSlice(name, fs)
}
return nil
@ -113,7 +113,7 @@ func (c *Context) GlobalStringSlice(name string) []string {
// Looks up the value of a global int slice flag, returns nil if no int slice flag exists
func (c *Context) GlobalIntSlice(name string) []int {
if fs := lookupParentFlagSet(name, c); fs != nil {
if fs := lookupGlobalFlagSet(name, c); fs != nil {
return lookupIntSlice(name, fs)
}
return nil
@ -121,7 +121,7 @@ func (c *Context) GlobalIntSlice(name string) []int {
// Looks up the value of a global generic flag, returns nil if no generic flag exists
func (c *Context) GlobalGeneric(name string) interface{} {
if fs := lookupParentFlagSet(name, c); fs != nil {
if fs := lookupGlobalFlagSet(name, c); fs != nil {
return lookupGeneric(name, fs)
}
return nil
@ -147,7 +147,11 @@ func (c *Context) IsSet(name string) bool {
func (c *Context) GlobalIsSet(name string) bool {
if c.globalSetFlags == nil {
c.globalSetFlags = make(map[string]bool)
for ctx := c.parentContext; ctx != nil && c.globalSetFlags[name] == false; ctx = ctx.parentContext {
ctx := c
if ctx.parentContext != nil {
ctx = ctx.parentContext
}
for ; ctx != nil && c.globalSetFlags[name] == false; ctx = ctx.parentContext {
ctx.flagSet.Visit(func(f *flag.Flag) {
c.globalSetFlags[f.Name] = true
})
@ -229,8 +233,11 @@ func (a Args) Swap(from, to int) error {
return nil
}
func lookupParentFlagSet(name string, ctx *Context) *flag.FlagSet {
for ctx := ctx.parentContext; ctx != nil; ctx = ctx.parentContext {
func lookupGlobalFlagSet(name string, ctx *Context) *flag.FlagSet {
if ctx.parentContext != nil {
ctx = ctx.parentContext
}
for ; ctx != nil; ctx = ctx.parentContext {
if f := ctx.flagSet.Lookup(name); f != nil {
return ctx.flagSet
}