[pull] master from jessfraz:master #4
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This change will allow a user to parse the stages from a dockerfile. It interpolates a stage name if none is specified.
* feat: allow outputting the workdir(s) for one or more Dockerfiles This command is useful in inspection of Dockerfiles, and can be used to intelligently push/pull built files from a docker image. It also allows disabling of ranking, such that the the workdirs are output in order of appearance. For instance, if a build tool expects to pull a config file from a container and has access to the respective Dockerfile, it can do something like: ```shell WORKDIR=$(dockfmt workdir --no-rank --skip-header path/to/Dockerfile | tail -n1) [[ -z "$WORKDIR" ]] && WORKDIR="/app" docker cp "container-name:$WORKDIR/nginx.conf.template" nginx.conf || true ``` In this way, we can pull a file from a container at the best path possible - either a specified WORKDIR or a sane default. * fix: correct lint errors * chore: drop skip-header This should be in a separate PR anyhow.
Signed-off-by: Jess Frazelle <[email protected]>
Signed-off-by: Jess Frazelle <[email protected]>
Signed-off-by: Jess Frazelle <[email protected]>
* Refactor forFile() to pass *os.File * Refactor forFile() to extract forFile1() * Read from stdin if no dockerfiles given * Use strings.EqualFold() Suggested by static checker * Update usage messages for stdin support
Signed-off-by: Jess Frazelle <[email protected]>
Signed-off-by: Jess Frazelle <[email protected]>
Signed-off-by: Jess Frazelle <[email protected]>
Signed-off-by: Jess Frazelle <[email protected]>
Signed-off-by: Jess Frazelle <[email protected]>
Signed-off-by: Jess Frazelle <[email protected]>
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