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Use box-drawing characters in docker images -tree

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This makes the output of `docker images -tree` look a little prettier.
Previously it displayed a combination of box-drawing characters and pipe
characters, so the lines didn't quite connect...

Before:

    └─aceb1e132fe5 Size: 487 MB (virtual 1.728 GB)
      |─c5480c55e00a Size: 44.89 MB (virtual 1.773 GB)
      | └─96c21b5e3c80 Size: 17.25 kB (virtual 1.773 GB)
      |   └─58f3f2293512 Size: 8.191 MB (virtual 1.782 GB)

After:

    └─aceb1e132fe5 Size: 487 MB (virtual 1.728 GB)
      ├─c5480c55e00a Size: 44.89 MB (virtual 1.773 GB)
      │ └─96c21b5e3c80 Size: 17.25 kB (virtual 1.773 GB)
      │   └─58f3f2293512 Size: 8.191 MB (virtual 1.782 GB)
This commit is contained in:
Jesse Dubay 2013-12-18 14:45:47 -08:00
parent 681b40c801
commit d14c162fd6
2 changed files with 9 additions and 9 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

4
commands.go
View file

@ -1237,9 +1237,9 @@ func (cli *DockerCli) WalkTree(noTrunc bool, images *[]APIImages, byParent map[s
cli.WalkTree(noTrunc, &subimages, byParent, prefix+" ", printNode)
}
} else {
printNode(cli, noTrunc, image, prefix+"|─")
printNode(cli, noTrunc, image, prefix+"├─")
if subimages, exists := byParent[image.ID]; exists {
cli.WalkTree(noTrunc, &subimages, byParent, prefix+"| ", printNode)
cli.WalkTree(noTrunc, &subimages, byParent, prefix+"│ ", printNode)
}
}
}

14
docs/sources/commandline/cli.rst
View file

@ -553,15 +553,15 @@ Displaying image hierarchy
$ sudo docker images -tree
|─8dbd9e392a96 Size: 131.5 MB (virtual 131.5 MB) Tags: ubuntu:12.04,ubuntu:latest,ubuntu:precise
├─8dbd9e392a96 Size: 131.5 MB (virtual 131.5 MB) Tags: ubuntu:12.04,ubuntu:latest,ubuntu:precise
└─27cf78414709 Size: 180.1 MB (virtual 180.1 MB)
└─b750fe79269d Size: 24.65 kB (virtual 180.1 MB) Tags: ubuntu:12.10,ubuntu:quantal
|─f98de3b610d5 Size: 12.29 kB (virtual 180.1 MB)
| └─7da80deb7dbf Size: 16.38 kB (virtual 180.1 MB)
| └─65ed2fee0a34 Size: 20.66 kB (virtual 180.2 MB)
| └─a2b9ea53dddc Size: 819.7 MB (virtual 999.8 MB)
| └─a29b932eaba8 Size: 28.67 kB (virtual 999.9 MB)
| └─e270a44f124d Size: 12.29 kB (virtual 999.9 MB) Tags: progrium/buildstep:latest
├─f98de3b610d5 Size: 12.29 kB (virtual 180.1 MB)
│ └─7da80deb7dbf Size: 16.38 kB (virtual 180.1 MB)
│ └─65ed2fee0a34 Size: 20.66 kB (virtual 180.2 MB)
│ └─a2b9ea53dddc Size: 819.7 MB (virtual 999.8 MB)
│ └─a29b932eaba8 Size: 28.67 kB (virtual 999.9 MB)
│ └─e270a44f124d Size: 12.29 kB (virtual 999.9 MB) Tags: progrium/buildstep:latest
└─17e74ac162d8 Size: 53.93 kB (virtual 180.2 MB)
└─339a3f56b760 Size: 24.65 kB (virtual 180.2 MB)
└─904fcc40e34d Size: 96.7 MB (virtual 276.9 MB)