ci: cache build artifacts for faster builds (#7730)

* ci: cache build artifacts for faster builds

* test build

* compression

* fix macos-latest

* debug build

* better caching

* test cache

* update build

* test cache

* ci: check toolchain restore

* ci: remove Windows toolchain cache

* ci: skip tests on macOS Intel

---------

Co-authored-by: Evgeny @ SimpleX Chat <259188159+evgeny-simplex@users.noreply.github.com>

scripts/ci/prune-old-builds.sh

@@ -0,0 +1,9 @@
+#!/bin/sh
+set -eu
+
+version=$(awk '/^version:/ {print $2}' simplex-chat.cabal | tr -d '\r')
+for dir in "$@"; do
+  if [ -d "$dir/build" ]; then
+    find "$dir/build" -mindepth 3 -maxdepth 3 -type d -name 'simplex-chat-*' ! -name "simplex-chat-$version" -exec rm -rf {} +
+  fi
+done

scripts/ci/source-timestamps.sh

@@ -0,0 +1,27 @@
+#!/bin/sh
+set -eu
+
+command=$1
+hashes=$2
+
+sources() {
+  git ls-files -z '*.hs' '*.hsc'
+}
+
+case "$command" in
+  record)
+    sources | xargs -0 sha256sum > "$hashes"
+    ;;
+  restore)
+    sources | xargs -0 touch
+    while read -r hash file; do
+      if [ -f "$file" ] && [ "$(sha256sum "$file" | cut -d' ' -f1)" = "$hash" ]; then
+        touch -d 2000-01-01 "$file"
+      fi
+    done < "$hashes"
+    ;;
+  *)
+    echo "usage: $0 record|restore <hashes file>" >&2
+    exit 1
+    ;;
+esac

scripts/desktop/build-lib-linux.sh

@@ -19,7 +19,8 @@ fi
 
 root_dir="$(dirname "$(dirname "$(readlink "$0")")")"
 cd $root_dir
-BUILD_DIR=dist-newstyle/build/$ARCH-$OS/ghc-${GHC_VERSION}/simplex-chat-*
+DIST_DIR="${DIST_DIR:-dist-newstyle}"
+BUILD_DIR=$DIST_DIR/build/$ARCH-$OS/ghc-${GHC_VERSION}/simplex-chat-*
 
 exports=( $(sed 's/foreign export ccall "chat_migrate_init_key"//' src/Simplex/Chat/Mobile.hs | sed 's/foreign export ccall "chat_reopen_store"//' |grep "foreign export ccall" | cut -d '"' -f2) )
 for elem in "${exports[@]}"; do count=$(grep -R "$elem$" libsimplex.dll.def | wc -l); if [ $count -ne 1 ]; then echo Wrong exports in libsimplex.dll.def. Add \"$elem\" to that file; exit 1; fi ; done
@@ -28,10 +29,10 @@ for elem in "${exports[@]}"; do count=$(grep -R "\"$elem\"" flake.nix | wc -l);
 #rm -rf $BUILD_DIR
 if [[ "$DATABASE_BACKEND" == "postgres" ]]; then
     echo "Building with postgres backend..."
-    cabal build lib:simplex-chat --ghc-options='-optl-Wl,-rpath,$ORIGIN -optl-Wl,-soname,libsimplex.so -flink-rts -threaded' --constraint 'simplexmq +client_library +client_postgres' --constraint 'simplex-chat +client_library +client_postgres'
+    cabal build --builddir="$DIST_DIR" lib:simplex-chat --ghc-options='-optl-Wl,-rpath,$ORIGIN -optl-Wl,-soname,libsimplex.so -flink-rts -threaded' --constraint 'simplexmq +client_library +client_postgres' --constraint 'simplex-chat +client_library +client_postgres'
 else
     echo "Building with sqlite backend..."
-    cabal build lib:simplex-chat --ghc-options='-optl-Wl,-rpath,$ORIGIN -optl-Wl,-soname,libsimplex.so -flink-rts -threaded' --constraint 'simplexmq +client_library' --constraint 'simplex-chat +client_library'
+    cabal build --builddir="$DIST_DIR" lib:simplex-chat --ghc-options='-optl-Wl,-rpath,$ORIGIN -optl-Wl,-soname,libsimplex.so -flink-rts -threaded' --constraint 'simplexmq +client_library' --constraint 'simplex-chat +client_library'
 fi
 cd $BUILD_DIR/build
 mv libHSsimplex-chat-*-inplace-ghc${GHC_VERSION}.so libsimplex.so 2> /dev/null || true