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package complete
import (
"os"
"path/filepath"
)
type FlagOptions struct {
HasFollow bool
FollowsOptions func() []Option
}
func (f *FlagOptions) follows() []Option {
if f.FollowsOptions == nil {
return nil
}
return f.FollowsOptions()
}
var (
FlagNoFollow = FlagOptions{}
FlagUnknownFollow = FlagOptions{HasFollow: true}
)
func FlagFileFilter(pattern string) FlagOptions {
return FlagOptions{
HasFollow: true,
FollowsOptions: glob(pattern),
}
}
func glob(pattern string) func() []Option {
return func() []Option {
files, err := filepath.Glob(pattern)
if err != nil {
logger("failed glob operation with pattern '%s': %s", pattern, err)
}
if !filepath.IsAbs(pattern) {
filesToRel(files)
}
options := make([]Option, len(files))
for i, f := range files {
options[i] = ArgFileName(f)
}
return options
}
}
func filesToRel(files []string) {
wd, err := os.Getwd()
if err != nil {
return
}
for i := range files {
abs, err := filepath.Abs(files[i])
if err != nil {
continue
}
rel, err := filepath.Rel(wd, abs)
if err != nil {
continue
}
files[i] = "./" + rel
}
return
}
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