Tibor Vass f597f2d026 Add new `builder` subcommand and implement `builder prune` to prune build cache. ... This patch adds a new builder subcommand, allowing to add more builder-related commands in the future. Unfortunately `build` expects an argument so could not be used as a subcommand. This also implements `docker builder prune`, which is needed to prune the builder cache manually without having to call `docker system prune`. Today when relying on the legacy builder, users are able to prune dangling images (used as build cache) by running `docker image prune`. This patch allows the same usecase with buildkit. Signed-off-by: Tibor Vass <tibor@docker.com>		2018-08-17 15:18:18 +00:00
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cmd.go	Add new `builder` subcommand and implement `builder prune` to prune build cache.	2018-08-17 15:18:18 +00:00
prune.go	Add new `builder` subcommand and implement `builder prune` to prune build cache.	2018-08-17 15:18:18 +00:00