ci: Add Anchor and Anchor projects to the downstream build (#22098)

* ci: Add Anchor and Anchor projects to the downstream build

* Separate downstream anchor projects into separate step

* Decrease anchor project build time

scripts/build-downstream-anchor-projects.sh

@@ -0,0 +1,101 @@
+#!/usr/bin/env bash
+#
+# Builds known downstream projects against local solana source
+#
+
+set -e
+cd "$(dirname "$0")"/..
+source ci/_
+source scripts/patch-crates.sh
+source scripts/read-cargo-variable.sh
+
+solana_ver=$(readCargoVariable version sdk/Cargo.toml)
+solana_dir=$PWD
+cargo="$solana_dir"/cargo
+cargo_build_bpf="$solana_dir"/cargo-build-bpf
+cargo_test_bpf="$solana_dir"/cargo-test-bpf
+
+mkdir -p target/downstream-projects-anchor
+cd target/downstream-projects-anchor
+
+update_anchor_dependencies() {
+  declare project_root="$1"
+  declare anchor_ver="$2"
+  declare tomls=()
+  while IFS='' read -r line; do tomls+=("$line"); done < <(find "$project_root" -name Cargo.toml)
+
+  sed -i -e "s#\(anchor-lang = \"\)[^\"]*\(\"\)#\1=$anchor_ver\2#g" "${tomls[@]}" || return $?
+  sed -i -e "s#\(anchor-spl = \"\)[^\"]*\(\"\)#\1=$anchor_ver\2#g" "${tomls[@]}" || return $?
+  sed -i -e "s#\(anchor-lang = { version = \"\)[^\"]*\(\"\)#\1=$anchor_ver\2#g" "${tomls[@]}" || return $?
+  sed -i -e "s#\(anchor-spl = { version = \"\)[^\"]*\(\"\)#\1=$anchor_ver\2#g" "${tomls[@]}" || return $?
+}
+
+patch_crates_io_anchor() {
+  declare Cargo_toml="$1"
+  declare anchor_dir="$2"
+  cat >> "$Cargo_toml" <<EOF
+anchor-lang = { path = "$anchor_dir/lang" }
+anchor-spl = { path = "$anchor_dir/spl" }
+EOF
+}
+
+# NOTE This isn't run in a subshell to get $anchor_dir and $anchor_ver
+anchor() {
+  set -x
+  rm -rf anchor
+  git clone https://github.com/project-serum/anchor.git
+  cd anchor
+
+  update_solana_dependencies . "$solana_ver"
+  patch_crates_io_solana Cargo.toml "$solana_dir"
+
+  $cargo build
+  $cargo test
+
+  anchor_dir=$PWD
+  anchor_ver=$(readCargoVariable version "$anchor_dir"/lang/Cargo.toml)
+
+  cd "$solana_dir"/target/downstream-projects-anchor
+}
+
+mango() {
+  (
+    set -x
+    rm -rf mango-v3
+    git clone https://github.com/blockworks-foundation/mango-v3
+    cd mango-v3
+
+    update_solana_dependencies . "$solana_ver"
+    update_anchor_dependencies . "$anchor_ver"
+    patch_crates_io_solana Cargo.toml "$solana_dir"
+    patch_crates_io_anchor Cargo.toml "$anchor_dir"
+
+    $cargo build
+    $cargo test
+    $cargo_build_bpf
+    $cargo_test_bpf
+  )
+}
+
+metaplex() {
+  (
+    set -x
+    rm -rf metaplex-program-library
+    git clone https://github.com/metaplex-foundation/metaplex-program-library
+    cd metaplex-program-library
+
+    update_solana_dependencies . "$solana_ver"
+    update_anchor_dependencies . "$anchor_ver"
+    patch_crates_io_solana Cargo.toml "$solana_dir"
+    patch_crates_io_anchor Cargo.toml "$anchor_dir"
+
+    $cargo build
+    $cargo test
+    $cargo_build_bpf
+    $cargo_test_bpf
+  )
+}
+
+_ anchor
+#_ metaplex
+#_ mango