Add .cnb file support for package-buildpack dependencies

[dfreilich]

• Close Support .cnb files in package-buildpack package.toml #586

Signed-off-by: David Freilich [email protected]

[codecov]

Codecov Report

Merging #633 into master will increase coverage by 0.04%.
The diff coverage is 85.72%.

@@            Coverage Diff             @@
##           master     #633      +/-   ##
==========================================
+ Coverage   70.48%   70.52%   +0.04%     
==========================================
  Files          67       67              
  Lines        4671     4687      +16     
==========================================
+ Hits         3292     3305      +13     
- Misses       1061     1063       +2     
- Partials      318      319       +1     

Flag	Coverage Δ
#os_linux	73.20% <88.89%> (+0.04%)	⬆️
#os_macos	69.20% <88.89%> (+0.05%)	⬆️
#os_windows	69.07% <85.72%> (+0.05%)	⬆️
#unit	70.52% <85.72%> (+0.04%)	⬆️

[jromero]

Minor tweaks in testing.

[jromero]

✔️ Accepted

$ ./out/pack package-buildpack hello-world.cnb --format file -p ~/dev/buildpacks/samples/packages/hello-world/package.toml
Successfully created package hello-world.cnb

$ cat ~/dev/buildpacks/samples/packages/hello-universe/package.toml 
[buildpack]
uri = "../../buildpacks/hello-universe/"

[[dependencies]]
uri = "../../buildpacks/hello-moon"

[[dependencies]]
uri = "/Users/javier.romero/dev/buildpacks/pack/hello-world.cnb"

$ ./out/pack package-buildpack hello-universe.cnb --format file -p ~/dev/buildpacks/samples/packages/hello-universe/package.toml 
Successfully created package hello-universe.cnb

$ ./out/pack build my-app-586 -B cnbs/sample-builder:alpine -b hello-universe.cnb 
alpine: Pulling from cnbs/sample-builder
Digest: sha256:b12fef6427956b670aa3b9ff91daee19b927200dbf6bbb6171bf98be3360e8d7
Status: Image is up to date for cnbs/sample-builder:alpine
alpine: Pulling from cnbs/sample-stack-run
Digest: sha256:ff5952abb5476176ddd68790c1ba69ef0114f701c0565acc94ad067100571449
Status: Image is up to date for cnbs/sample-stack-run:alpine
Warning: buildpack samples/[email protected] already exists on builder and will be overwritten
Warning: buildpack samples/[email protected] already exists on builder and will be overwritten
Warning: buildpack samples/[email protected] already exists on builder and will be overwritten
===> CREATING
[creator] ---> DETECTING
[creator] samples/hello-world 0.0.1
[creator] samples/hello-moon  0.0.1
[creator] ---> ANALYZING
[creator] Previous image with name "index.docker.io/library/my-app-586:latest" not found
[creator] ---> RESTORING
[creator] ---> BUILDING
[creator] ---> Hello World buildpack
[creator]      env_dir: /platform/env
[creator]      env vars:
[creator]        declare -x CNB_STACK_ID="io.buildpacks.samples.stacks.alpine"
[creator]        declare -x HOME="/home/cnb"
[creator]        declare -x HOSTNAME="65065b6f7957"
[creator]        declare -x OLDPWD
[creator]        declare -x PATH="/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin"
[creator]        declare -x PWD="/workspace"
[creator]        declare -x SHLVL="1"
[creator]      layers_dir: /layers/samples_hello-world
[creator]      plan_path: /tmp/plan.131761026/samples_hello-world/plan.toml
[creator]      plan contents:
[creator]        [[entries]]
[creator]          name = "some-world"
[creator]          version = ""
[creator]        
[creator]        [[entries]]
[creator]          name = "some-world"
[creator]          version = "0.1"
[creator]          [entries.metadata]
[creator]            world = "Earth-616"
[creator] 
[creator] ---> Done
[creator] ---> Hello Moon buildpack
[creator]      env_dir: /platform/env
[creator]      env vars:
[creator]        declare -x CNB_STACK_ID="io.buildpacks.samples.stacks.alpine"
[creator]        declare -x HOME="/home/cnb"
[creator]        declare -x HOSTNAME="65065b6f7957"
[creator]        declare -x OLDPWD
[creator]        declare -x PATH="/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin"
[creator]        declare -x PWD="/workspace"
[creator]        declare -x SHLVL="1"
[creator]      layers_dir: /layers/samples_hello-moon
[creator]      plan_path: /tmp/plan.131761026/samples_hello-moon/plan.toml
[creator]      plan contents:
[creator] 
[creator] ---> Done
[creator] ---> EXPORTING
[creator] Adding layer 'launcher'
[creator] Adding 1/1 app layer(s)
[creator] Adding layer 'config'
[creator] *** Images (0cf8a4e084c0):
[creator]       index.docker.io/library/my-app-586:latest
Successfully built image my-app-586