1 files changed, 63 insertions, 0 deletions
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