Update build image manifest

eksctl-io · Aug 27, 2019 · 8b50a77 · 8b50a77
1 parent 0e09383
commit 8b50a77
Show file tree

Hide file tree

Showing 2 changed files with 8 additions and 3 deletions.
diff --git a/.build_image_manifest b/.build_image_manifest
@@ -1,4 +1,4 @@
-100644 blob a77a544f0b5de013cca016b9a8ce35fa06ce1838	Dockerfile
-100644 blob 8884199f9e00373de03ac2a2a9aaed3386f4cfc3	go.mod
+100644 blob 7984bfe4b3e5bdc7e2838feb954b32e9339e05bc	Dockerfile
+100644 blob 0fb89e7cf970d29061417eb11f3016c6a3fc3f86	go.mod
 100644 blob 01b2dcfb3390c6bb99e602b307c834d602fb7c39	go.sum
-100755 blob 194add98961c75c24152aa62d47846825ee97194	install-build-deps.sh
+100755 blob 98e770c77cf3b03c65cb7b7818e5f24e980f9b11	install-build-deps.sh
diff --git a/Makefile b/Makefile
@@ -6,6 +6,11 @@ version_pkg := github.com/weaveworks/eksctl/pkg/version
 
 build_image_input := Dockerfile install-build-deps.sh go.mod go.sum
 
+# We use git object hashes for determining the input files used for any given build image
+# E.g. given `weaveworks/eksctl-build:e6e8800773d3adf8e7999a23dcdb07414c66a4da` one can
+# run `git show e6e8800773d3adf8e7999a23dcdb07414c66a4da` to get contents of `.build_image_manifest`,
+# and `git show <hash>` for each of the hashes in the manifest to determine contents of each of the
+# files used in `$(build_image_input)` at the time.
 build_image_tag = $(shell git ls-tree --full-tree @ -- .build_image_manifest | awk '{ print $$3 }')
 
 build_image_name = weaveworks/eksctl-build:$(build_image_tag)