ci: add github actions configuration

3 files changed, 31 insertions, 10 deletions

diff --git a/src/ci/scripts/install-mingw.sh b/src/ci/scripts/install-mingw.sh
index 98373df7fce..78728dd7d00 100755
--- a/src/ci/scripts/install-mingw.sh
+++ b/src/ci/scripts/install-mingw.sh
@@ -50,8 +50,8 @@ if isWindows; then
     esac
 
     if [[ "${CUSTOM_MINGW-0}" -ne 1 ]]; then
-        pacman -S --noconfirm --needed mingw-w64-$arch-toolchain mingw-w64-$arch-cmake \
-            mingw-w64-$arch-gcc mingw-w64-$arch-python2
+        pacman -S --noconfirm --needed mingw-w64-$arch-toolchain \
+            mingw-w64-$arch-cmake mingw-w64-$arch-gcc mingw-w64-$arch-python2
         ciCommandAddPath "$(ciCheckoutPath)/msys2/mingw${bits}/bin"
     else
         mingw_dir="mingw${bits}"
diff --git a/src/ci/scripts/install-msys2.sh b/src/ci/scripts/install-msys2.sh
index 9e899ba9d89..3c3b5007f86 100755
--- a/src/ci/scripts/install-msys2.sh
+++ b/src/ci/scripts/install-msys2.sh
@@ -22,4 +22,7 @@ if isWindows; then
     rm msys2.nupkg chocolatey-core.extension.nupkg
     mkdir -p "$(ciCheckoutPath)/msys2/home/${USERNAME}"
     ciCommandAddPath "$(ciCheckoutPath)/msys2/usr/bin"
+
+    echo "switching shell to use our own bash"
+    ciCommandSetEnv CI_OVERRIDE_SHELL "$(ciCheckoutPath)/msys2/usr/bin/bash.exe"
 fi
diff --git a/src/ci/scripts/setup-environment.sh b/src/ci/scripts/setup-environment.sh
index d134fcd47ba..411ef6f9b28 100755
--- a/src/ci/scripts/setup-environment.sh
+++ b/src/ci/scripts/setup-environment.sh
@@ -11,16 +11,34 @@ source "$(cd "$(dirname "$0")" && pwd)/../shared.sh"
 # Since matrix variables are readonly in Azure Pipelines, we take
 # INITIAL_RUST_CONFIGURE_ARGS and establish RUST_CONFIGURE_ARGS
 # which downstream steps can alter
-# macOS ships with Bash 3.16, so we cannot use [[ -v FOO ]],
-# which was introduced in Bash 4.2
-if [[ -z "${INITIAL_RUST_CONFIGURE_ARGS+x}" ]]; then
-    INITIAL_RUST_CONFIG=""
-    echo "No initial Rust configure args set"
-else
-    INITIAL_RUST_CONFIG="${INITIAL_RUST_CONFIGURE_ARGS}"
-    ciCommandSetEnv RUST_CONFIGURE_ARGS "${INITIAL_RUST_CONFIG}"
+if isAzurePipelines; then
+    # macOS ships with Bash 3.16, so we cannot use [[ -v FOO ]],
+    # which was introduced in Bash 4.2
+    if [[ -z "${INITIAL_RUST_CONFIGURE_ARGS+x}" ]]; then
+        INITIAL_RUST_CONFIG=""
+        echo "No initial Rust configure args set"
+    else
+        INITIAL_RUST_CONFIG="${INITIAL_RUST_CONFIGURE_ARGS}"
+        ciCommandSetEnv RUST_CONFIGURE_ARGS "${INITIAL_RUST_CONFIG}"
+    fi
 fi
 
+# Load extra environment variables
+vars="${EXTRA_VARIABLES-}"
+echo "${vars}" | jq '' >/dev/null  # Validate JSON and exit on errors
+for key in $(echo "${vars}" | jq "keys[]" -r); do
+    # On Windows, for whatever reason, $key contains the BOM character in it,
+    # and that messes up `jq ".${key}"`. This line strips the BOM from the key.
+    #
+    # https://unix.stackexchange.com/a/381263
+    key="$(echo "${key}" | sed '1s/^\xEF\xBB\xBF//')"
+
+    echo "adding extra environment variable ${key}"
+    value="$(echo "${vars}" | jq ".${key}" -r)"
+    export "${key}"="${value}"
+    ciCommandSetEnv "${key}" "${value}"
+done
+
 # Builders starting with `dist-` are dist builders, but if they also end with
 # `-alt` they are alternate dist builders.
 if [[ "${CI_JOB_NAME}" = dist-* ]]; then