package main import ( "dagger.io/dagger" "dagger.io/dagger/core" ) dagger.#Plan & { actions: { alpineBase: core.#Pull & { source: "alpine:3.15.0@sha256:e7d88de73db3d3fd9b2d63aa7f447a10fd0220b7cbf39803c803f2af9ba256b3" } busyboxBase: core.#Pull & { source: "busybox:1.34.1@sha256:1286c6d3c393023ef93c247724a6a2d665528144ffe07bacb741cc2b4edfefad" } exec1: core.#Exec & { input: alpineBase.output args: [ "sh", "-c", #""" mkdir /dir && echo -n foo > /dir/foo && echo -n removeme > /removeme """#, ] } exec2: core.#Exec & { input: exec1.output args: [ "sh", "-c", #""" echo -n bar > /dir/bar && rm removeme """#, ] } removeme: core.#WriteFile & { input: dagger.#Scratch path: "/removeme" contents: "removeme" } test: { diff: core.#Diff & { lower: alpineBase.output upper: exec2.output } verify_diff_foo: core.#ReadFile & { input: diff.output path: "/dir/foo" } & { contents: "foo" } verify_diff_bar: core.#ReadFile & { input: diff.output path: "/dir/bar" } & { contents: "bar" } mergediff: core.#Merge & { inputs: [ busyboxBase.output, removeme.output, diff.output, ] } verify_remove: core.#Exec & { input: mergediff.output args: ["test", "!", "-e", "/removeme"] } verify_no_alpine_base: core.#Exec & { input: mergediff.output // make sure the the Diff actually separated files from the base // by testing the non-existence of a file that only exists in the // alpine base, not busybox args: ["test", "!", "-e", "/etc/alpine-release"] } } } }