NAME

       umoci - umoci modifies Open Container images

SYNOPSIS

       umoci [--help|-h] [--version|-v] [--log={debug|info|warn|error|fatal}] [--verbose] command
       [args]

DESCRIPTION

       umoci is a tool that allows for high-level modification of an OCI  image  layout  and  its
       tagged  images. While umoci attempts to abstract the OCI image specification specifics, it
       is   recommended   that   users   of   this   tool   read   through   the    specification
       ⟨https://github.com/opencontainers/image-spec⟩  to  make  sure  they  understand the rough
       idea.

       umoci is unique in that it is, at the time  of  writing,  the  first  tool  to  allow  for
       arbitrary modification of an OCI image in a high-level fashion (where all of the different
       blobs in an OCI image are all managed by umoci when doing a high-level operation  such  as
       umoci-repack(1)).

GLOBAL OPTIONS

       --help, -h
         Print usage statement.

       --version, -v
         Print the version.

       --cpu-profile=filename
         Generate a CPU profile during umoci's execution and save it to filename.
         This file is stored in Go's pprof ⟨https://golang.org/pkg/runtime/pprof/⟩ format and can
       be analysed using go
         tool pprof or similar tools.

       --log={debug|info|warn|error|fatal}
         Set the logging level. The default is "warn".

       --verbose
         Alias for --log=info.

COMMANDS

       init
         Create a new OCI layout. See umoci-init(1) for more detailed usage
         information.

       new
         Creates a blank tagged OCI image. See umoci-new(1) for more detailed
         usage information.

       unpack
         Unpacks a tagged image into an OCI runtime bundle. See umoci-unpack(1)
         for more detailed usage information.

       repack
         Repacks an OCI runtime bundle into a tagged image. See umoci-repack(1)
         for more detailed usage information.

       config
         Modifies the image configuration of an OCI image. See umoci-config(1) for
         more detailed usage information.

       stat
         Displays status information of an image manifest. See umoci-stat(1) for
         more detailed usage information.

       tag
         Creates a new tag in an OCI image. See umoci-tag(1) for more detailed
         usage information.

       remove, rm
         Removes a tag from an OCI image. See umoci-remove(1) for more detailed
         usage information.

       list, ls
         Lists the set of tags in an OCI image. See umoci-list(1) for more
         detailed usage information.

       gc
         Garbage collects all unreferenced OCI image blobs. See umoci-gc(1) for
         more detailed usage information.

SEE ALSO

       umoci-init(1), umoci-new(1),  umoci-unpack(1),  umoci-repack(1),  umoci-config(1),  umoci-
       stat(1), umoci-tag(1), umoci-remove(1), umoci-list(1), umoci-gc(1), skopeo(1)

-                                             umoci                                   umoci(1)(#)