Update CI configuration

This change:

* Updates the GitHub actions so that they run different commands for the
  dynamic and static flavors of libgit2.
* Updates the .travis.yml file so that it does roughly the same as the
  GitHub actions.
* Adds the release-* branches to the CI configurations.

1 files changed, 46 insertions, 0 deletions

diff --git a/script/build-libgit2.sh b/script/build-libgit2.sh
new file mode 100755
index 0000000..acbc84a
--- /dev/null
+++ b/script/build-libgit2.sh
@@ -0,0 +1,46 @@
+#!/bin/sh
+
+# Since CMake cannot build the static and dynamic libraries in the same
+# directory, this script helps build both static and dynamic versions of it and
+# have the common flags in one place instead of split between two places.
+
+set -e
+
+if [ "$#" -eq "0" ]; then
+	echo "Usage: $0 <--dynamic|--static>">&2
+	exit 1
+fi
+
+ROOT="$(cd "$(dirname "$0")/.." && echo "${PWD}")"
+VENDORED_PATH="${ROOT}/vendor/libgit2"
+
+case "$1" in
+	--static)
+		BUILD_PATH="${ROOT}/static-build"
+		BUILD_SHARED_LIBS=OFF
+		;;
+
+	--dynamic)
+		BUILD_PATH="${ROOT}/dynamic-build"
+		BUILD_SHARED_LIBS=ON
+		;;
+
+	*)
+		echo "Usage: $0 <--dynamic|--static>">&2
+		exit 1
+		;;
+esac
+
+mkdir -p "${BUILD_PATH}/build" "${BUILD_PATH}/install/lib"
+
+cd "${BUILD_PATH}/build" &&
+cmake -DTHREADSAFE=ON \
+      -DBUILD_CLAR=OFF \
+      -DBUILD_SHARED_LIBS"=${BUILD_SHARED_LIBS}" \
+      -DREGEX_BACKEND=builtin \
+      -DCMAKE_C_FLAGS=-fPIC \
+      -DCMAKE_BUILD_TYPE="RelWithDebInfo" \
+      -DCMAKE_INSTALL_PREFIX="${BUILD_PATH}/install" \
+      "${VENDORED_PATH}" &&
+
+exec cmake --build . --target install