Mesonify build

This took a while and had me scratching my head often. But I managed
to combine the best parts of Crane and Meson together, allowing me to
have blazing fast Nix builds.

This also adds initial scaffolding for gettext and other cool things.

1 files changed, 35 insertions, 0 deletions

diff --git a/build-aux/dist-vendor.sh b/build-aux/dist-vendor.sh
new file mode 100644
index 0000000..c1430dc
--- /dev/null
+++ b/build-aux/dist-vendor.sh
@@ -0,0 +1,35 @@
+#!/bin/sh
+# Since Meson invokes this script as
+# "/bin/sh .../dist-vendor.sh DIST SOURCE_ROOT" we can't rely on bash features
+set -eu
+export DIST="$1"
+export SOURCE_ROOT="$2"
+
+cd "$SOURCE_ROOT"
+mkdir "$DIST"/.cargo
+
+# cargo-vendor-filterer can be found at https://github.com/coreos/cargo-vendor-filterer
+# It is also part of the Rust SDK extension.
+#
+# nixpkgs doesn't have it packaged though.
+if command -v cargo-vendor-filterer &>/dev/null; then
+    cargo vendor-filterer \
+          --platform=x86_64-unknown-linux-gnu \
+          --platform=aarch64-unknown-linux-gnu \
+          > "$DIST"/.cargo/config
+else
+    echo "WARNING: using normal cargo vendor"
+    cargo vendor > "$DIST"/.cargo/config
+fi
+
+# Remove vendored gettext sources, we'll be using system gettext.
+rm -f vendor/gettext-sys/gettext-*.tar.*
+
+# Don't combine the previous and this line with a pipe because we can't catch
+# errors with "set -o pipefail"
+sed -i 's/^directory = ".*"/directory = "vendor"/g' "$DIST/.cargo/config"
+
+# Move vendor into dist tarball directory
+mv vendor "$DIST"
+
+rm -r "$DIST"/*.nix "$DIST/pkgs"