1 files changed, 76 insertions, 0 deletions
diff --git a/ci/run-docker-build.sh b/ci/run-docker-build.sh
new file mode 100755
index 0000000000..a05b48c559
--- /dev/null
+++ b/ci/run-docker-build.sh
@@ -0,0 +1,76 @@
+#!/bin/sh
+#
+# Build and test Git inside container
+#
+# Usage:
+#   run-docker-build.sh <host-user-id>
+#
+
+set -ex
+
+if test $# -ne 1 || test -z "$1"
+then
+	echo >&2 "usage: run-docker-build.sh <host-user-id>"
+	exit 1
+fi
+
+case "$jobname" in
+Linux32)
+	switch_cmd="linux32 --32bit i386"
+	;;
+*)
+	exit 1
+	;;
+esac
+
+# Update packages to the latest available versions
+command $switch_cmd sh -c '
+    apt update >/dev/null &&
+    apt install -y build-essential libcurl4-openssl-dev libssl-dev \
+	libexpat-dev gettext python >/dev/null
+'
+
+# If this script runs inside a docker container, then all commands are
+# usually executed as root. Consequently, the host user might not be
+# able to access the test output files.
+# If a non 0 host user id is given, then create a user "ci" with that
+# user id to make everything accessible to the host user.
+HOST_UID=$1
+if test $HOST_UID -eq 0
+then
+	# Just in case someone does want to run the test suite as root.
+	CI_USER=root
+else
+	CI_USER=ci
+	if test "$(id -u $CI_USER 2>/dev/null)" = $HOST_UID
+	then
+		echo "user '$CI_USER' already exists with the requested ID $HOST_UID"
+	else
+		useradd -u $HOST_UID $CI_USER
+	fi
+
+	# Due to a bug the test suite was run as root in the past, so
+	# a prove state file created back then is only accessible by
+	# root.  Now that bug is fixed, the test suite is run as a
+	# regular user, but the prove state file coming from Travis
+	# CI's cache might still be owned by root.
+	# Make sure that this user has rights to any cached files,
+	# including an existing prove state file.
+	test -n "$cache_dir" && chown -R $HOST_UID:$HOST_UID "$cache_dir"
+fi
+
+# Build and test
+command $switch_cmd su -m -l $CI_USER -c "
+	set -ex
+	export DEVELOPER='$DEVELOPER'
+	export DEFAULT_TEST_TARGET='$DEFAULT_TEST_TARGET'
+	export GIT_PROVE_OPTS='$GIT_PROVE_OPTS'
+	export GIT_TEST_OPTS='$GIT_TEST_OPTS'
+	export GIT_TEST_CLONE_2GB='$GIT_TEST_CLONE_2GB'
+	export MAKEFLAGS='$MAKEFLAGS'
+	export cache_dir='$cache_dir'
+	cd /usr/src/git
+	test -n '$cache_dir' && ln -s '$cache_dir/.prove' t/.prove
+	make
+	make test
+"