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devices		devices
driver		driver
fs		fs
pathdriver		pathdriver
pkg/ext4		pkg/ext4
proto		proto
sysx		sysx
testutil		testutil
vendor		vendor
.gitignore		.gitignore
.golangci.yml		.golangci.yml
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LICENSE		LICENSE
Makefile		Makefile
README.md		README.md
context.go		context.go
digests.go		digests.go
digests_test.go		digests_test.go
go.mod		go.mod
go.sum		go.sum
groups_unix.go		groups_unix.go
hardlinks.go		hardlinks.go
hardlinks_unix.go		hardlinks_unix.go
hardlinks_windows.go		hardlinks_windows.go
ioutils.go		ioutils.go
ioutils_test.go		ioutils_test.go
manifest.go		manifest.go
manifest_test.go		manifest_test.go
manifest_test_darwin.go		manifest_test_darwin.go
resource.go		resource.go
resource_test.go		resource_test.go
resource_unix.go		resource_unix.go
resource_windows.go		resource_windows.go
testutil_test.go		testutil_test.go
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continuity

A transport-agnostic, filesystem metadata manifest system

This project is a staging area for experiments in providing transport agnostic metadata storage.

See opencontainers/runtime-spec#11 for more details.

Manifest Format

A continuity manifest encodes filesystem metadata in Protocol Buffers. Refer to proto/manifest.proto for more details.

Usage

Build:

$ make

Create a manifest (of this repo itself):

$ ./bin/continuity build . > /tmp/a.pb

Dump a manifest:

$ ./bin/continuity ls /tmp/a.pb
...
-rw-rw-r--      270 B   /.gitignore
-rw-rw-r--      88 B    /.mailmap
-rw-rw-r--      187 B   /.travis.yml
-rw-rw-r--      359 B   /AUTHORS
-rw-rw-r--      11 kB   /LICENSE
-rw-rw-r--      1.5 kB  /Makefile
...
-rw-rw-r--      986 B   /testutil_test.go
drwxrwxr-x      0 B     /version
-rw-rw-r--      478 B   /version/version.go

Verify a manifest:

$ ./bin/continuity verify . /tmp/a.pb

Break the directory and restore using the manifest:

$ chmod 777 Makefile
$ ./bin/continuity verify . /tmp/a.pb
2017/06/23 08:00:34 error verifying manifest: resource "/Makefile" has incorrect mode: -rwxrwxrwx != -rw-rw-r--
$ ./bin/continuity apply . /tmp/a.pb
$ stat -c %a Makefile
664
$ ./bin/continuity verify . /tmp/a.pb