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authorOpenShift Merge Robot <openshift-merge-robot@users.noreply.github.com>2021-03-23 04:57:13 -0700
committerGitHub <noreply@github.com>2021-03-23 04:57:13 -0700
commit4d3e71ad28f75b51dc5fa7a29775ce30c9d5c437 (patch)
tree01a8c39471286c7efed3396b62c327c0b802850d
parent60c90c3adda6f076092ea9f06618d94efb1b4708 (diff)
parent3baa9da4edec72a70aec4aa25a29b4afd82ed689 (diff)
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Merge pull request #9296 from edsantiago/test_buildah_bud
run buildah bud tests using podman
-rw-r--r--.cirrus.yml24
-rwxr-xr-xcontrib/cirrus/runner.sh4
-rwxr-xr-xcontrib/cirrus/setup_environment.sh1
-rw-r--r--test/buildah-bud/README.md82
-rw-r--r--test/buildah-bud/buildah-tests.diff192
-rw-r--r--test/buildah-bud/make-new-buildah-diffs63
-rwxr-xr-xtest/buildah-bud/run-buildah-bud-tests166
7 files changed, 532 insertions, 0 deletions
diff --git a/.cirrus.yml b/.cirrus.yml
index 9c13f5303..e09db2a81 100644
--- a/.cirrus.yml
+++ b/.cirrus.yml
@@ -579,6 +579,29 @@ remote_system_test_task:
TEST_FLAVOR: sys
PODBIN_NAME: remote
+buildah_bud_test_task:
+ name: *std_name_fmt
+ alias: buildah_bud_test
+ skip: *tags
+ only_if: *not_docs
+ depends_on:
+ - local_integration_test
+ env:
+ TEST_FLAVOR: bud
+ DISTRO_NV: ${FEDORA_NAME}
+ # Not used here, is used in other tasks
+ VM_IMAGE_NAME: ${FEDORA_CACHE_IMAGE_NAME}
+ CTR_FQIN: ${FEDORA_CONTAINER_FQIN}
+ # ID for re-use of build output
+ _BUILD_CACHE_HANDLE: ${FEDORA_NAME}-build-${CIRRUS_BUILD_ID}
+ PODBIN_NAME: podman
+ gce_instance: *standardvm
+ timeout_in: 45m
+ clone_script: *noop
+ gopath_cache: *ro_gopath_cache
+ setup_script: *setup
+ main_script: *main
+ always: *int_logs_artifacts
rootless_system_test_task:
name: *std_name_fmt
@@ -687,6 +710,7 @@ success_task:
- remote_system_test
- rootless_system_test
- upgrade_test
+ - buildah_bud_test
- meta
container: *smallcontainer
env:
diff --git a/contrib/cirrus/runner.sh b/contrib/cirrus/runner.sh
index fca9aff93..507d22e13 100755
--- a/contrib/cirrus/runner.sh
+++ b/contrib/cirrus/runner.sh
@@ -74,6 +74,10 @@ function _run_upgrade_test() {
bats test/upgrade |& logformatter
}
+function _run_bud() {
+ ./test/buildah-bud/run-buildah-bud-tests |& logformatter
+}
+
function _run_bindings() {
# shellcheck disable=SC2155
export PATH=$PATH:$GOSRC/hack
diff --git a/contrib/cirrus/setup_environment.sh b/contrib/cirrus/setup_environment.sh
index 64ea3b7b4..fcb1284e7 100755
--- a/contrib/cirrus/setup_environment.sh
+++ b/contrib/cirrus/setup_environment.sh
@@ -201,6 +201,7 @@ case "$TEST_FLAVOR" in
int) ;&
sys) ;&
upgrade_test) ;&
+ bud) ;&
bindings) ;&
endpoint)
# Use existing host bits when testing is to happen inside a container
diff --git a/test/buildah-bud/README.md b/test/buildah-bud/README.md
new file mode 100644
index 000000000..88e4bbc3c
--- /dev/null
+++ b/test/buildah-bud/README.md
@@ -0,0 +1,82 @@
+buildah-bud tests under podman
+==============================
+
+This directory contains tools for running 'buildah bud' tests
+under podman. The key concept of the workflow is:
+
+* Pull buildah @ version specified in go.mod
+* Apply a small set of patches to buildah's tests directory, such that
+ * BATS will use 'podman build' instead of 'buildah bud'; and
+ * some not-applicable-under-podman tests are skipped
+
+It's a teeny bit more complicated than that, but that's really most of
+what you need to know for most purposes. The tests run in podman CI,
+and for the most part are expected to just pass.
+
+Troubleshooting
+---------------
+
+If you're reading this, it's probably because something went wrong.
+At the time of this writing (March 2021, initial commit) it is
+impossible to foresee what typical failures will look like, but
+my prediction is that they will fit one of two categories:
+
+* Failure when vendoring new buildah (e.g., by dependabot)
+* Other failure
+
+Let's examine those in reverse order:
+
+Failure when not vendoring
+--------------------------
+
+Aside from flakes, my only guess here is that you broke 'podman build'.
+If this is the case, it is very likely that you are aware of what you
+did; and if this is the case, your change likely falls into one of
+these two categories:
+
+* "OOPS! I didn't mean to break that". Solution: fix it!
+* "Uh, yeah, this is deliberate, and we choose to be incompatible with buildah". In this case, you'll need to skip or edit the failing test(s); see below.
+
+If neither of those is the case, then I'm sorry, you're on your own.
+When you figure it out, please remember to update these instructions.
+
+
+Failure when vendoring new buildah
+----------------------------------
+
+This is what I predict will be the usual case; and I predict that
+failures will fall into one of two bins:
+
+* failure to apply the patch
+* failure because there are new buildah tests for functionality not in podman
+
+In either case, the process for solving is the same:
+
+* Start with a checked-out podman tree with the failing PR applied
+* run `./test/buildah-bud/run-buildah-bud-tests`
+
+Presumably, something will fail here. Whatever the failure, your next step is:
+
+* `cd test-buildah-v<TAB>` (this is a new directory created by the script)
+
+If the failure was in `git am`, solve it (left as exercise for the reader).
+
+If the failure was in tests run, solve it (either by adding `skip`s to
+failing tests in bud.bats, or less preferably, by making other tweaks
+to the test code).
+
+You now have modified files. THOSE SHOULD ONLY BE test/bud.bats or
+test/helpers.bash! If you changed any other file, that is a sign that
+something is very wrong!
+
+Commit your changes: `git commit --all --amend`
+
+Push those changes to the podman repo: `./make-new-buildah-diffs`
+
+cd back up to the podman repo
+
+As necessary, rerun `run-buildah-bud-tests`. You can use `--no-checkout`
+to run tests immediately, without rerunning the git checkout.
+
+If you're happy with the diffs, `git add` the modified `.diff` file
+and submit it as part of your PR.
diff --git a/test/buildah-bud/buildah-tests.diff b/test/buildah-bud/buildah-tests.diff
new file mode 100644
index 000000000..92adabcac
--- /dev/null
+++ b/test/buildah-bud/buildah-tests.diff
@@ -0,0 +1,192 @@
+From c85882a8f7fb6efbf4d59dfe8340bfbef57ccd48 Mon Sep 17 00:00:00 2001
+From: Ed Santiago <santiago@redhat.com>
+Date: Tue, 9 Feb 2021 17:28:05 -0700
+Subject: [PATCH] tweaks for running buildah tests under podman
+
+Signed-off-by: Ed Santiago <santiago@redhat.com>
+---
+ tests/bud.bats | 26 ++++++++++++++++----------
+ tests/helpers.bash | 28 ++++++++++++++++++++++++----
+ 2 files changed, 40 insertions(+), 14 deletions(-)
+
+diff --git a/tests/bud.bats b/tests/bud.bats
+index 1efc3c58..9a39d594 100644
+--- a/tests/bud.bats
++++ b/tests/bud.bats
+@@ -4,7 +4,7 @@ load helpers
+
+ @test "bud with a path to a Dockerfile (-f) containing a non-directory entry" {
+ run_buildah 125 bud -f ${TESTSDIR}/bud/non-directory-in-path/non-directory/Dockerfile
+- expect_output --substring "non-directory/Dockerfile: not a directory"
++ expect_output --substring "Error: context must be a directory:"
+ }
+
+ @test "bud with --dns* flags" {
+@@ -95,6 +95,7 @@ symlink(subdir)"
+ }
+
+ @test "bud-flags-order-verification" {
++ skip "N/A under podman"
+ run_buildah 125 bud /tmp/tmpdockerfile/ -t blabla
+ check_options_flag_err "-t"
+
+@@ -1324,13 +1325,13 @@ function _test_http() {
+ @test "bud with dir for file but no Dockerfile in dir" {
+ target=alpine-image
+ run_buildah 125 bud --signature-policy ${TESTSDIR}/policy.json -t ${target} -f ${TESTSDIR}/bud/empty-dir ${TESTSDIR}/bud/empty-dir
+- expect_output --substring "no such file or directory"
++ expect_output --substring "Error: context must be a directory:"
+ }
+
+ @test "bud with bad dir Dockerfile" {
+ target=alpine-image
+ run_buildah 125 bud --signature-policy ${TESTSDIR}/policy.json -t ${target} -f ${TESTSDIR}/baddirname ${TESTSDIR}/baddirname
+- expect_output --substring "no such file or directory"
++ expect_output --substring "Error: context must be a directory:"
+ }
+
+ @test "bud with ARG before FROM default value" {
+@@ -1742,7 +1743,9 @@ _EOF
+ run_buildah bud --signature-policy ${TESTSDIR}/policy.json --layers -t test-img-2 --build-arg TEST=foo -f Dockerfile4 ${TESTSDIR}/bud/build-arg
+ run_buildah inspect -f '{{.FromImageID}}' test-img-2
+ argsid="$output"
+- [[ "$argsid" != "$initialid" ]]
++ if [[ "$argsid" == "$initialid" ]]; then
++ die ".FromImageID of test-img-2 ($argsid) == same as test-img, it should be different"
++ fi
+
+ # Set the build-arg via an ENV in the local environment and verify that the cached layers are not used
+ export TEST=bar
+@@ -1795,6 +1798,7 @@ _EOF
+ }
+
+ @test "bud without any arguments should succeed" {
++ skip "does not work under podman"
+ cd ${TESTSDIR}/bud/from-scratch
+ run_buildah bud --signature-policy ${TESTSDIR}/policy.json
+ }
+@@ -1802,7 +1806,7 @@ _EOF
+ @test "bud without any arguments should fail when no Dockerfile exist" {
+ cd $(mktemp -d)
+ run_buildah 125 bud --signature-policy ${TESTSDIR}/policy.json
+- expect_output --substring "no such file or directory"
++ expect_output "Error: no context directory and no Containerfile specified"
+ }
+
+ @test "bud with specified context should fail if directory contains no Dockerfile" {
+@@ -1815,16 +1819,17 @@ _EOF
+ DIR=$(mktemp -d)
+ mkdir -p "$DIR"/Dockerfile
+ run_buildah 125 bud --signature-policy ${TESTSDIR}/policy.json "$DIR"
+- expect_output --substring "is not a file"
++ expect_output --substring "Error: open .*: no such file or directory"
+ }
+
+ @test "bud with specified context should fail if context contains not-existing Dockerfile" {
+ DIR=$(mktemp -d)
+ run_buildah 125 bud --signature-policy ${TESTSDIR}/policy.json "$DIR"/Dockerfile
+- expect_output --substring "no such file or directory"
++ expect_output --substring "context must be a directory"
+ }
+
+ @test "bud with specified context should succeed if context contains existing Dockerfile" {
++ skip "podman requires a directory, not a Dockerfile"
+ DIR=$(mktemp -d)
+ echo "FROM alpine" > "$DIR"/Dockerfile
+ run_buildah 0 bud --signature-policy ${TESTSDIR}/policy.json "$DIR"/Dockerfile
+@@ -1876,7 +1881,7 @@ _EOF
+
+ @test "bud-squash-hardlinks" {
+ _prefetch busybox
+- run_buildah bud --signature-policy ${TESTSDIR}/policy.json --squash ${TESTSDIR}/bud/layers-squash/Dockerfile.hardlinks
++ run_buildah bud --signature-policy ${TESTSDIR}/policy.json --squash -f Dockerfile.hardlinks ${TESTSDIR}/bud/layers-squash
+ }
+
+ @test "bud with additional directory of devices" {
+@@ -2023,6 +2028,7 @@ _EOF
+ }
+
+ @test "bud pull never" {
++ skip "FIXME: podman issue #9573"
+ target=pull
+ run_buildah 125 bud --signature-policy ${TESTSDIR}/policy.json -t ${target} --pull-never ${TESTSDIR}/bud/pull
+ expect_output --substring "pull policy is \"never\" but \""
+@@ -2042,6 +2048,7 @@ _EOF
+ }
+
+ @test "bud with Containerfile should fail with nonexistent authfile" {
++ skip "FIXME: podman issue #9572"
+ target=alpine-image
+ run_buildah 125 bud --authfile /tmp/nonexistent --signature-policy ${TESTSDIR}/policy.json -t ${target} ${TESTSDIR}/bud/containerfile
+ }
+@@ -2169,6 +2176,7 @@ EOM
+ }
+
+ @test "bud with encrypted FROM image" {
++ skip "Too much effort to spin up a local registry"
+ _prefetch busybox
+ mkdir ${TESTDIR}/tmp
+ openssl genrsa -out ${TESTDIR}/tmp/mykey.pem 1024
+@@ -2241,8 +2249,6 @@ EOM
+ _prefetch alpine
+ run_buildah bud --timestamp=0 --quiet --pull=false --signature-policy ${TESTSDIR}/policy.json -t timestamp -f Dockerfile.1 ${TESTSDIR}/bud/cache-stages
+ cid=$output
+- run_buildah inspect --format '{{ .Docker.Created }}' timestamp
+- expect_output --substring "1970-01-01"
+ run_buildah inspect --format '{{ .OCIv1.Created }}' timestamp
+ expect_output --substring "1970-01-01"
+ run_buildah inspect --format '{{ .History }}' timestamp
+diff --git a/tests/helpers.bash b/tests/helpers.bash
+index 5623a0e7..9683360f 100644
+--- a/tests/helpers.bash
++++ b/tests/helpers.bash
+@@ -70,7 +70,7 @@ function _prefetch() {
+ mkdir -p ${_BUILDAH_IMAGE_CACHEDIR}
+ fi
+
+- local _podman_opts="--root ${TESTDIR}/root --storage-driver ${STORAGE_DRIVER}"
++ local _podman_opts="--root ${TESTDIR}/root --runroot ${TESTDIR}/runroot --storage-driver ${STORAGE_DRIVER}"
+
+ for img in "$@"; do
+ echo "# [checking for: $img]" >&2
+@@ -138,15 +138,35 @@ function run_buildah() {
+ --retry) retry=3; shift;; # retry network flakes
+ esac
+
++ local podman_or_buildah=${BUILDAH_BINARY}
++ if [[ $1 == "bud" || $1 == "build-using-dockerfile" ]]; then
++ shift
++ # podman defaults to --layers=true; buildah to --false.
++ # If command line includes explicit --layers, leave it untouched,
++ # but otherwise update command line so podman mimics buildah default.
++ if [[ "$*" =~ --layers || "$*" =~ --squash ]]; then
++ set "build" "--force-rm=false" "$@"
++ else
++ set "build" "--force-rm=false" "--layers=false" "$@"
++ fi
++ podman_or_buildah=${PODMAN_BINARY}
++
++ # podman always exits 125 where buildah exits 1 or 2
++ case $expected_rc in
++ 1|2) expected_rc=125 ;;
++ esac
++ fi
++ local cmd_basename=$(basename ${podman_or_buildah})
++
+ # Remember command args, for possible use in later diagnostic messages
+- MOST_RECENT_BUILDAH_COMMAND="buildah $*"
++ MOST_RECENT_BUILDAH_COMMAND="$cmd_basename $*"
+
+ while [ $retry -gt 0 ]; do
+ retry=$(( retry - 1 ))
+
+ # stdout is only emitted upon error; this echo is to help a debugger
+- echo "\$ $BUILDAH_BINARY $*"
+- run timeout --foreground --kill=10 $BUILDAH_TIMEOUT ${BUILDAH_BINARY} --registries-conf ${TESTSDIR}/registries.conf --root ${TESTDIR}/root --runroot ${TESTDIR}/runroot --storage-driver ${STORAGE_DRIVER} "$@"
++ echo "\$ $cmd_basename $*"
++ run timeout --foreground --kill=10 $BUILDAH_TIMEOUT ${podman_or_buildah} --registries-conf ${TESTSDIR}/registries.conf --root ${TESTDIR}/root --runroot ${TESTDIR}/runroot --storage-driver ${STORAGE_DRIVER} "$@"
+ # without "quotes", multiple lines are glommed together into one
+ if [ -n "$output" ]; then
+ echo "$output"
+--
+2.30.2
diff --git a/test/buildah-bud/make-new-buildah-diffs b/test/buildah-bud/make-new-buildah-diffs
new file mode 100644
index 000000000..1191f4597
--- /dev/null
+++ b/test/buildah-bud/make-new-buildah-diffs
@@ -0,0 +1,63 @@
+#!/bin/bash
+#
+# This script is intended to help developers get buildah-tests-under-podman
+# working again in case of failure.
+#
+ME=$(basename $0)
+
+die() {
+ echo "$ME: $*" >&2
+ exit 1
+}
+
+# Confirm that we're in a test-buildah* subdir of podman
+whereami=$(basename $(pwd))
+if [[ ! $whereami =~ test-buildah-v ]]; then
+ die "Please run me while cd'ed to a test-buildah-vN.M directory"
+fi
+
+# FIXME: check that git repo is buildah
+git remote -v | grep -q [BUILDAHREPO] \
+ || die "This does not look like a buildah repo (git remote -v)"
+
+# We could do the commit automatically, but it's prudent to require human
+# involvement.
+modified=$(git status --untracked=no --porcelain)
+if [[ -n "$modified" ]]; then
+ echo $modified
+ die "Please commit your changes: git commit --amend --all"
+fi
+
+# Remove any 00??-*.patch files
+rm -f 0001-*.patch
+
+# Check count of commits, barf if need to squash
+n_commits=$(git log --pretty=format:%h [BASETAG]..HEAD | wc -l)
+if [[ $n_commits -gt 1 ]]; then
+ die "Please squash your commits"
+fi
+
+# Scope check: make sure the only files changed are under tests/
+changes=$(git diff --name-status [BASETAG]..HEAD | egrep -v '\stests/')
+if [[ -n "$changes" ]]; then
+ echo $changes
+ die "Found modified files other than under 'tests/'"
+fi
+
+###############################################################################
+# All right - things look good. Generate the patch, and copy it into place.
+
+git format-patch [BASETAG]
+
+# Once again, make sure there's exactly one and only one commit
+shopt -s nullglob
+patch2=$(echo 0002-*.patch)
+if [[ -n "$patch2" ]]; then
+ die "Internal error: I thought I checked for squashed commits, but still see $patch2"
+fi
+
+# All looks good. Now write that patch into its proper place in the
+# podman repo. The sed and tac mess strips trailing whitespace and
+# empty lines; we need to do this to pass github CI checks.
+sed -e 's/ \+$//' <0001-*.patch |\
+ tac | sed -e '/./,$!d' | tac >| ../test/buildah-bud/buildah-tests.diff
diff --git a/test/buildah-bud/run-buildah-bud-tests b/test/buildah-bud/run-buildah-bud-tests
new file mode 100755
index 000000000..67c8fdfa4
--- /dev/null
+++ b/test/buildah-bud/run-buildah-bud-tests
@@ -0,0 +1,166 @@
+#!/bin/bash
+
+ME=$(basename $0)
+
+###############################################################################
+# BEGIN user-customizable section
+
+# Buildah main repository; unlikely to change often
+BUILDAH_REPO=github.com/containers/buildah
+
+# Tag name used to identify the base checkout
+BASE_TAG=buildah-bud-in-podman
+
+# END user-customizable section
+###############################################################################
+
+usage="Usage: $ME [--help] [--no-checkout] [--no-test]
+"
+
+# Parse command-line options (used in development only, not in CI)
+do_checkout=y
+do_test=y
+for i; do
+ case "$i" in
+ --no-checkout) do_checkout= ; shift;;
+ --no-test) do_test= ; shift;;
+ -h|--help) echo "$usage"; exit 0;;
+ *) echo "$ME: Unrecognized option '$i'" >&2; exit 1;;
+ esac
+done
+
+# Patches helpers.bash and potentially other files (bud.bats? Dockerfiles?)
+#
+# The patch file is horrible to generate:
+# 1) cd to the checked-out buildah/tests directory
+# 2) make your edits
+# 3) git commit -asm 'blah blah blah'
+# 3a) if checked-out directory already includes earlier patches,
+# you may need to 'git commit --amend' instead
+# 4) git format-patch HEAD^
+# 5) sed -e 's/ \+$//' 0001* >../PATCH-FILE-PATH
+# 6) vim that file, remove trailing empty newlines
+# 7) cd back out of buildah directory, and git-commit this new patch file
+#
+# FIXME: this makes me nervous. The diff will probably need tweaking
+# over time. I don't think we need to version it, because we
+# *have* to be in lockstep with a specific buildah version,
+# so problems should only arise when we re-vendor.
+# But I'm still nervous and can't put my finger on the reason.
+#
+# Complicated invocation needed because we 'cd' down below.
+BUD_TEST_DIR=$(realpath $(dirname ${BASH_SOURCE[0]}))
+PATCHES=${BUD_TEST_DIR}/buildah-tests.diff
+
+# Friendlier relative path to our buildah-tests dir
+BUD_TEST_DIR_REL=$(dirname $(git ls-files --full-name ${BASH_SOURCE[0]}))
+# Path to podman binary; again, do it before we cd
+PODMAN_BINARY=$(pwd)/bin/podman
+REMOTE=
+# If remote, start server & change path
+if [[ "${PODBIN_NAME:-}" = "remote" ]]; then
+ REMOTE=1
+ echo "$ME: remote tests are not working yet" >&2
+ exit 1
+fi
+
+function die() {
+ failhint=
+ echo "$ME: $*" >&2
+ exit 1
+}
+
+# From here on out, any unexpected abort will try to offer helpful hints
+failhint=
+trap 'if [[ $? != 0 ]]; then if [[ -n $failhint ]]; then echo;echo "***************************************";echo $failhint;echo;echo "Please see $BUD_TEST_DIR_REL/README.md for advice";fi;fi' 0
+
+# Find the version of buildah we've vendored in, so we can run the right tests
+buildah_version=$(awk "\$1 == \"$BUILDAH_REPO\" { print \$2 }" <go.mod)
+
+if [[ -z "$buildah_version" ]]; then
+ # This should not happen
+ die "Did not find '$BUILDAH_REPO' in go.mod"
+fi
+
+# From here on out, any error is fatal
+set -e
+
+# Before pulling buildah (while still cd'ed to podman repo), try to determine
+# if this is a PR, and if so if it's a revendoring of buildah. We use this to
+# try to offer a helpful hint on failure.
+is_revendor=
+if [[ -n $CIRRUS_CHANGE_IN_REPO ]]; then
+ if [[ -n $DEST_BRANCH ]]; then
+ head=${CIRRUS_CHANGE_IN_REPO}
+ # Base of this PR.
+ base=$(set -x;git merge-base ${DEST_BRANCH} $head)
+ changes=$(set -x;git diff --name-status $base $head)
+ if [[ -n $changes ]]; then
+ if [[ $changes =~ vendor/$BUILDAH_REPO ]]; then
+ is_revendor=y
+ fi
+ fi
+ fi
+fi
+
+# Pull buildah, including tests
+buildah_dir=test-buildah-$buildah_version
+if [[ -n $do_checkout ]]; then
+ if [[ -d $buildah_dir ]]; then
+ die "Directory already exists: $buildah_dir"
+ fi
+
+ failhint="'git clone' failed - this should never happen!"
+ (set -x;git clone -q --branch $buildah_version https://$BUILDAH_REPO $buildah_dir)
+
+ cd $buildah_dir
+
+ # Give it a recognizable tag; this will be useful if we need to update
+ # the set of patches
+ (set -x;git tag $BASE_TAG)
+
+ # Build buildah
+ failhint="error building buildah. This should never happen."
+ (set -x;make bin/buildah)
+
+ # Apply custom patches. We do this _after_ building, although it shouldn't
+ # matter because these patches should only apply to test scripts.
+ failhint="
+Error applying patch file. This can happen when you vendor in a new buildah."
+ (set -x;git am <$PATCHES)
+
+ failhint=
+ sed -e "s,\[BASETAG\],${BASE_TAG},g" \
+ -e "s,\[BUILDAHREPO\],${BUILDAH_REPO},g" \
+ < ${BUD_TEST_DIR}/make-new-buildah-diffs \
+ > make-new-buildah-diffs
+ chmod 755 make-new-buildah-diffs
+else
+ # Called with --no-checkout
+ test -d $buildah_dir || die "Called with --no-checkout, but $buildah_dir does not exist"
+
+ cd $buildah_dir
+fi
+
+if [[ -n $do_test ]]; then
+ failhint="Error running buildah bud tests under podman."
+ if [[ -n $is_revendor ]]; then
+ failhint+="
+
+It looks like you're vendoring in a new buildah. The likely failure
+here is that there's a new test in bud.bats that uses functionality
+not (yet) in podman build. You will likely need to 'skip' that test.
+"
+ else
+ failhint+="
+
+Is it possible that your PR breaks podman build in some way? Please
+review the test failure and double-check your changes.
+"
+ fi
+
+ (set -x;sudo env TMPDIR=/var/tmp \
+ PODMAN_BINARY=$PODMAN_BINARY \
+ BUILDAH_BINARY=$(pwd)/bin/buildah \
+ bats tests/bud.bats)
+fi