This warning was added in [moby@4a8b3ca] to print a warning when building
Linux images from a Windows client. Window's filesystem does not have an
"executable" bit, which mean that, for example, copying a shell script
to an image during build would lose the executable bit. So for Windows
clients, the executable bit would be set on all files, unconditionally.
Originally this was detected in the client, which had direct access to
the API response headers, but when refactoring the client to use a common
library in [moby@535c4c9], this was refactored into a `ImageBuildResponse`
wrapper, deconstructing the API response into an `io.Reader` and a string
field containing only the `OSType` header.
This was the only use and only purpose of the `OSType` field, and now that
BuildKit is the default builder for Linux images, this warning didn't get
printed unless BuildKit was explicitly disabled.
This patch removes the warning, so that we can potentially remove the
field, or the `ImageBuildResponse` type altogether.
[moby@4a8b3ca]: 4a8b3cad60
[moby@535c4c9]: 535c4c9a59
Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
Format the code with gofumpt to prevent my IDE from reformatting
every time I open a file. gofumpt provides a superset of gofmt,
so should not impact users that are not using gofumpt.
Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
The uuid package in distribution was created as a utility for the distribution
project itself, to cut down external dependencies (see [1][1]).
For compose, this has the reverse effect, as it now brings all the dependencies
of the distribution module with it.
This patch switches to the uuid generation to crypto/rand to produce a random
id. I was considering using a different uuid implementation, or docker's
"stringid.GenerateRandomID", but all of those are doing more than needed,
so keep it simple.
Currently, this change has little effect, because compose also uses the
distribution module for other purposes, but the distribution project is
in the process of moving the "reference" package to a separate module,
in which case we don't want to depend on the distribution module only for
the uuid package.
[1]: 36e34a55ad
Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
