efritz/ij

package paths

import (
    "os"

    "github.com/efritz/ij/logging"
)

type Remover struct {
    project string
}

func NewRemover(project string) *Remover {
    return &Remover{
        project: project,
    }
}

func (r *Remover) Remove(patterns, blacklistPatterns []string, shouldRemove func(string) (bool, error)) error {
    blacklist, err := constructBlacklist(r.project, blacklistPatterns)
    if err != nil {
        return err
    }

    return runOnPatterns(patterns, r.project, logging.NilLogger, func(pair FilePair) error {
        dest, err := sanitize(pair.Dest, r.project)
        if err != nil {
            return err
        }

        if _, ok := blacklist[dest]; ok {
            return nil
        }

        // Ensure removal of a parent didn't also remove this file.
        if exists, err := PathExists(dest); err != nil || !exists {
            return err
        }

        if remove, err := shouldRemove(dest); err != nil || !remove {
            return err
        }

        return os.RemoveAll(dest)
    })
}