1 files changed, 61 insertions, 0 deletions
diff --git a/debian/extra/checkout-upstream b/debian/extra/checkout-upstream
new file mode 100755
index 0000000..561082e
--- /dev/null
+++ b/debian/extra/checkout-upstream
@@ -0,0 +1,61 @@
+#!/bin/sh
+# Prepare systemd source package in current directory for testing an upstream
+# commit, branch, or PR, without Debian patches. This replaces everything
+# except the debian/ directory with an upstream checkout.
+# NEVER run this in your actual packaging work directory! This is only meant
+# for upstream CI.
+#
+# Author: Martin Pitt <martin.pitt@ubuntu.com>
+
+set -eu
+test -x debian/rules
+if [ -z "${TEST_UPSTREAM:-}" ]; then
+    echo "Not in upstream testing mode. Do *not* run this script unless you know what you are doing." >&2
+    exit 1
+fi
+if [ -n "${UPSTREAM_PULL_REQUEST:-}" ]; then
+    FETCH="git fetch -fu origin refs/pull/$UPSTREAM_PULL_REQUEST/head:pr"
+    CO='git checkout pr'
+    DESC="PR #$UPSTREAM_PULL_REQUEST"
+elif [ -n "${UPSTREAM_HEAD:-}" ]; then
+    FETCH=''
+    CO="git checkout $UPSTREAM_HEAD"
+    DESC="$UPSTREAM_HEAD"
+else
+    echo "WARNING: $0: Neither UPSTREAM_PULL_REQUEST nor UPSTREAM_HEAD set, ignoring" >&2
+    exit 0
+fi
+
+mkdir -p debian/tmp
+(cd debian/tmp
+ git clone https://github.com/systemd/systemd.git upstream || (rm -rf upstream; sleep 60; git clone https://github.com/systemd/systemd.git upstream)
+ cd upstream
+ $FETCH
+ $CO
+ git config user.email "invalid@example.com"
+ git config user.name "Merge dummy user"
+ git rebase master)
+UPSTREAM_VER=$(cd debian/tmp/upstream; git describe | sed 's/^v//')
+
+# clean out original upstream sources and patches
+find -mindepth 1 -maxdepth 1 -name debian -prune -o -print0 | xargs -0n1 rm -rf
+rm -rf debian/patches
+
+# replace with checkout
+mv debian/tmp/upstream/* .
+rm -rf debian/tmp
+
+# craft changelog
+cat << EOF > debian/changelog.new
+systemd (${UPSTREAM_VER}-0) UNRELEASED; urgency=low
+
+  * Automatic build from upstream $DESC
+
+ -- systemd test <pkg-systemd-maintainers@lists.alioth.debian.org>  $(date -R)
+
+EOF
+cat debian/changelog >> debian/changelog.new
+mv debian/changelog.new debian/changelog
+
+# disable tests which are not for upstream
+sed -i '/# NOUPSTREAM/ q' debian/tests/control