1 files changed, 62 insertions, 0 deletions
diff --git a/cmd/crane/rebase_test.sh b/cmd/crane/rebase_test.sh
new file mode 100755
index 0000000..727062b
--- /dev/null
+++ b/cmd/crane/rebase_test.sh
@@ -0,0 +1,62 @@
+#!/bin/bash
+set -ex
+
+tmp=$(mktemp -d)
+
+go install ./cmd/registry
+go build -o ./crane ./cmd/crane
+
+# Start a local registry.
+registry &
+PID=$!
+function cleanup {
+  kill $PID
+  rm -r ${tmp}
+  rm ./crane
+}
+trap cleanup EXIT
+
+sleep 1  # Wait for registry to be up.
+
+# Create an image localhost:1338/base containing a.txt
+echo a > ${tmp}/a.txt
+old_base=$(./crane append -f <(tar -f - -c ${tmp}) -t localhost:1338/base)
+rm ${tmp}/a.txt
+
+# Append to that image localhost:1338/rebaseme
+echo top > ${tmp}/top.txt
+orig=$(./crane append -f <(tar -f - -c ${tmp}) -b ${old_base} -t localhost:1338/rebaseme)
+rm ${tmp}/top.txt
+
+# Annotate that image as the base image (by ref and digest)
+# TODO: do this with a flag to --append
+orig=$(./crane mutate ${orig} \
+  --annotation org.opencontainers.image.base.name=localhost:1338/base \
+  --annotation org.opencontainers.image.base.digest=$(./crane digest localhost:1338/base))
+
+# Update localhost:1338/base containing b.txt
+echo b > ${tmp}/b.txt
+new_base=$(./crane append -f <(tar -f - -c ${tmp}) -t localhost:1338/base)
+rm ${tmp}/b.txt
+
+# Rebase using annotations
+rebased=$(./crane rebase ${orig})
+
+# List files in the rebased image.
+./crane export ${rebased} - | tar -tvf -
+
+# Extract b.txt out of the rebased image.
+./crane export ${rebased} - | tar -Oxf - ${tmp:1}/b.txt
+
+# Extract top.txt out of the rebased image.
+./crane export ${rebased} - | tar -Oxf - ${tmp:1}/top.txt
+
+# a.txt is _not_ in the rebased image.
+set +e
+./crane export ${rebased} - | tar -Oxf - ${tmp:1}/a.txt  # this should fail
+code=$?
+echo "finding a.txt exited ${code}"
+if [[ $code -eq 0 ]]; then
+  echo "a.txt was found in rebased image"
+  exit 1
+fi