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feat: allow replacing buildpack list atomically

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Add buildpacks:set --replace so callers can replace an app's complete ordered buildpack list in one command while preserving existing single-buildpack and --index behavior.

Closes #8802
This commit is contained in:
Jose Diaz-Gonzalez
2026-07-07 18:37:38 -04:00
parent 25b1356435
commit 16f8b25bda
6 changed files with 205 additions and 4 deletions
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69
tests/unit/buildpacks.bats
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@@ -184,6 +184,75 @@ teardown() {
assert_output "https://github.com/heroku/heroku-buildpack-golang.git https://github.com/heroku/heroku-buildpack-python.git https://github.com/heroku/heroku-buildpack-php.git"
}
@test "(buildpacks) buildpacks:set --replace - failure" {
run /bin/bash -c "dokku buildpacks:set --replace $TEST_APP"
echo "output: $output"
echo "status: $status"
assert_failure
assert_output_contains "buildpacks:clear"
run /bin/bash -c "dokku buildpacks:set --replace --index 1 $TEST_APP heroku/nodejs"
echo "output: $output"
echo "status: $status"
assert_failure
assert_output_contains "--index"
run /bin/bash -c "dokku buildpacks:set $TEST_APP heroku/nodejs heroku/ruby"
echo "output: $output"
echo "status: $status"
assert_failure
assert_output_contains "--replace"
}
@test "(buildpacks) buildpacks:set --replace - atomicity" {
run /bin/bash -c "dokku buildpacks:add $TEST_APP heroku/nodejs"
echo "output: $output"
echo "status: $status"
assert_success
run /bin/bash -c "dokku buildpacks:set --replace $TEST_APP heroku/ruby nodejs"
echo "output: $output"
echo "status: $status"
assert_failure
run /bin/bash -c "dokku --quiet buildpacks:list $TEST_APP | xargs"
echo "output: $output"
echo "status: $status"
assert_output "https://github.com/heroku/heroku-buildpack-nodejs.git"
}
@test "(buildpacks) buildpacks:set --replace - success" {
run /bin/bash -c "dokku buildpacks:add $TEST_APP heroku/nodejs"
echo "output: $output"
echo "status: $status"
assert_success
run /bin/bash -c "dokku buildpacks:add $TEST_APP heroku/python"
echo "output: $output"
echo "status: $status"
assert_success
run /bin/bash -c "dokku buildpacks:set --replace $TEST_APP heroku/ruby heroku/golang heroku/php"
echo "output: $output"
echo "status: $status"
assert_success
run /bin/bash -c "dokku --quiet buildpacks:list $TEST_APP | xargs"
echo "output: $output"
echo "status: $status"
assert_output "https://github.com/heroku/heroku-buildpack-ruby.git https://github.com/heroku/heroku-buildpack-golang.git https://github.com/heroku/heroku-buildpack-php.git"
run /bin/bash -c "dokku buildpacks:set --replace $TEST_APP heroku/nodejs"
echo "output: $output"
echo "status: $status"
assert_success
run /bin/bash -c "dokku --quiet buildpacks:list $TEST_APP | xargs"
echo "output: $output"
echo "status: $status"
assert_output "https://github.com/heroku/heroku-buildpack-nodejs.git"
}
@test "(buildpacks) buildpacks:set-property" {
run /bin/bash -c "dokku buildpacks:set-property --global stack gliderlabs/herokuish:latest"
echo "output: $output"