rjeczalik/cmd

Handmade tools for day-to-day plumbing.

cmd's Issues

fs: Add FileLock support

type Filesystem interface {
  // ...
  Lock(path string) (sync.Locker, error)
  // ...
}

panic: runtime error: slice bounds out of range

~ $ flying echo -n "%s \n %f %s %s %s %s %s"
[2014-10-07 11:45:50] [echo] panic: runtime error: slice bounds out of range

goroutine 20 [running]:
runtime.panic(0x4dbbc0, 0x58e16f)
    /home/rjeczalik/.gvm/gos/go1.3.1/src/pkg/runtime/panic.c:279 +0xf5
github.com/rjeczalik/tools/rw.(*PrefixedWriter).Write(0xc208062340, 0xc20807a000, 0x17, 0x8000, 0x17, 0x0, 0x0)
    /home/rjeczalik/src/github.com/rjeczalik/tools/rw/prefix.go:45 +0x615

Passing . for current directory does not work.

$ gotree ../fs
.
└── fs
    ├── fs.go
    ├── fsutil
    │   ├── fsutil.go
    │   ├── fsutil_test.go
    │   ├── tee.go
    │   └── tee_test.go
    ├── memfs
    │   ├── memfs.go
    │   ├── memfs_test.go
    │   ├── tree.go
    │   ├── tree_test.go
    │   ├── util.go
    │   └── util_test.go
    └── mktree

4 directories, 12 files
$ gotree .
.
$

fs/fsutil: Readdir reads hidden files when Control.Hidden=false

repo $ gotree | head -3
.
├── .git/
├── .gitignore

fs: Extend Filesystem with permissions support

rw: NinjaReader should count separator length as a part of stream length

Moreover it should be good to:

• count \t as multiple characters
• detect \n and \r in a stream and reset separator counter accordingly

fs: Extend Filesystem with a symlink support

fs/memfs: Create FS from tree command output

Unmarshal

.
├── out.gif
├── out.ogv
├── output2.gif
├── output3.gif
└── output.gif

into

var fs = FS{
    Tree: Directory{
        "out.gif": File{},
        "out.ogv": File{},
        "output2.gif": File{},
        "output.gif": File{},
    },
}