1#!/bin/bash
2set -ex
3
4tmp=$(mktemp -d)
5
6go install ./cmd/registry
7go build -o ./crane ./cmd/crane
8
9# Start a local registry.
10registry &
11PID=$!
12function cleanup {
13 kill $PID
14 rm -r ${tmp}
15 rm ./crane
16}
17trap cleanup EXIT
18
19sleep 1 # Wait for registry to be up.
20
21# Create an image localhost:1338/base containing a.txt
22echo a > ${tmp}/a.txt
23old_base=$(./crane append -f <(tar -f - -c ${tmp}) -t localhost:1338/base)
24rm ${tmp}/a.txt
25
26# Append to that image localhost:1338/rebaseme
27echo top > ${tmp}/top.txt
28orig=$(./crane append -f <(tar -f - -c ${tmp}) -b ${old_base} -t localhost:1338/rebaseme)
29rm ${tmp}/top.txt
30
31# Annotate that image as the base image (by ref and digest)
32# TODO: do this with a flag to --append
33orig=$(./crane mutate ${orig} \
34 --annotation org.opencontainers.image.base.name=localhost:1338/base \
35 --annotation org.opencontainers.image.base.digest=$(./crane digest localhost:1338/base))
36
37# Update localhost:1338/base containing b.txt
38echo b > ${tmp}/b.txt
39new_base=$(./crane append -f <(tar -f - -c ${tmp}) -t localhost:1338/base)
40rm ${tmp}/b.txt
41
42# Rebase using annotations
43rebased=$(./crane rebase ${orig})
44
45# List files in the rebased image.
46./crane export ${rebased} - | tar -tvf -
47
48# Extract b.txt out of the rebased image.
49./crane export ${rebased} - | tar -Oxf - ${tmp:1}/b.txt
50
51# Extract top.txt out of the rebased image.
52./crane export ${rebased} - | tar -Oxf - ${tmp:1}/top.txt
53
54# a.txt is _not_ in the rebased image.
55set +e
56./crane export ${rebased} - | tar -Oxf - ${tmp:1}/a.txt # this should fail
57code=$?
58echo "finding a.txt exited ${code}"
59if [[ $code -eq 0 ]]; then
60 echo "a.txt was found in rebased image"
61 exit 1
62fi
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