chore: Support pkgload::load_all() and compilation database

cleanup

@@ -2,6 +2,15 @@
 
 set -ex
 
+# Get command line of grandparent process
+parent_call=$(ps -o args= -p $(ps -o ppid= -p $$))
+
+# Check if --preclean is in the command line
+if [ $(echo $parent_call | grep -c -- --preclean) -ne 0 ]; then
+  echo "Skipping cleanup"
+  exit 0
+fi
+
 # Check if the archive already exists
 if [ -f "src/duckdb.tar.xz" ]; then
   echo "duckdb.tar.xz already exists. Skipping compression."

configure

@@ -32,5 +32,10 @@ fi
 # This happens in the cleanup script.
 
 if [ -f duckdb.tar.xz ]; then
-  tar xJf duckdb.tar.xz
+  if [ -d duckdb ]; then
+    echo "Ignoring duckdb.tar.gz because duckdb directory still exists"
+    rm duckdb.tar.xz
+  else
+    tar xJf duckdb.tar.xz
+  fi
 fi

src/Makevars

@@ -14,6 +14,10 @@ include include/sources.mk
 # depending on the value of the DUCKDB_R_PREBUILT_ARCHIVE environment variable.
 include Makevars.duckdb
 
+# An empty file works well enough as a default, e.g., for pkgload::load_all()
+Makevars.duckdb:
+	@touch $@
+
 CXX_STD = CXX17
 PKG_CPPFLAGS = -Iinclude -I../inst/include -DDUCKDB_DISABLE_PRINT -DDUCKDB_R_BUILD -DBROTLI_ENCODER_CLEANUP_ON_OOM -Iduckdb/src/include -Iduckdb/third_party/concurrentqueue -Iduckdb/third_party/fast_float -Iduckdb/third_party/fastpforlib -Iduckdb/third_party/fmt/include -Iduckdb/third_party/fsst -Iduckdb/third_party/httplib -Iduckdb/third_party/hyperloglog -Iduckdb/third_party/jaro_winkler -Iduckdb/third_party/jaro_winkler/details -Iduckdb/third_party/libpg_query -Iduckdb/third_party/libpg_query/include -Iduckdb/third_party/lz4 -Iduckdb/third_party/brotli/include -Iduckdb/third_party/brotli/common -Iduckdb/third_party/brotli/dec -Iduckdb/third_party/brotli/enc -Iduckdb/third_party/mbedtls -Iduckdb/third_party/mbedtls/include -Iduckdb/third_party/mbedtls/library -Iduckdb/third_party/miniz -Iduckdb/third_party/pcg -Iduckdb/third_party/re2 -Iduckdb/third_party/skiplist -Iduckdb/third_party/tdigest -Iduckdb/third_party/utf8proc -Iduckdb/third_party/utf8proc/include -Iduckdb/third_party/yyjson/include -Iduckdb/third_party/zstd/include -Iduckdb/extension/parquet/include -Iduckdb/third_party/parquet -Iduckdb/third_party/thrift -Iduckdb/third_party/lz4 -Iduckdb/third_party/brotli/include -Iduckdb/third_party/brotli/common -Iduckdb/third_party/brotli/dec -Iduckdb/third_party/brotli/enc -Iduckdb/third_party/snappy -Iduckdb/third_party/mbedtls -Iduckdb/third_party/mbedtls/include -Iduckdb/third_party/zstd/include -Iduckdb/extension/core_functions/include -I../inst/include -Iduckdb -DDUCKDB_EXTENSION_PARQUET_LINKED -DDUCKDB_BUILD_LIBRARY -DDUCKDB_EXTENSION_CORE_FUNCTIONS_LINKED -DDUCKDB_BUILD_LIBRARY
 OBJECTS=rfuns.o database.o connection.o statement.o register.o relational.o scan.o signal.o transform.o utils.o reltoaltrep.o types.o cpp11.o $(SOURCES)

src/Makevars.in

@@ -14,6 +14,10 @@ include include/sources.mk
 # depending on the value of the DUCKDB_R_PREBUILT_ARCHIVE environment variable.
 include Makevars.duckdb
 
+# An empty file works well enough as a default, e.g., for pkgload::load_all()
+Makevars.duckdb:
+	@touch $@
+
 CXX_STD = CXX17
 PKG_CPPFLAGS = -Iinclude -I../inst/include -DDUCKDB_DISABLE_PRINT -DDUCKDB_R_BUILD -DBROTLI_ENCODER_CLEANUP_ON_OOM {{ INCLUDES }}
 OBJECTS=rfuns.o database.o connection.o statement.o register.o relational.o scan.o signal.o transform.o utils.o reltoaltrep.o types.o cpp11.o $(SOURCES)

src/Makevars.win

@@ -14,6 +14,10 @@ include include/sources.mk
 # depending on the value of the DUCKDB_R_PREBUILT_ARCHIVE environment variable.
 include Makevars.duckdb
 
+# An empty file works well enough as a default, e.g., for pkgload::load_all()
+Makevars.duckdb:
+	@touch $@
+
 CXX_STD = CXX17
 PKG_CPPFLAGS = -Iinclude -I../inst/include -DDUCKDB_DISABLE_PRINT -DDUCKDB_R_BUILD -DBROTLI_ENCODER_CLEANUP_ON_OOM -Iduckdb/src/include -Iduckdb/third_party/concurrentqueue -Iduckdb/third_party/fast_float -Iduckdb/third_party/fastpforlib -Iduckdb/third_party/fmt/include -Iduckdb/third_party/fsst -Iduckdb/third_party/httplib -Iduckdb/third_party/hyperloglog -Iduckdb/third_party/jaro_winkler -Iduckdb/third_party/jaro_winkler/details -Iduckdb/third_party/libpg_query -Iduckdb/third_party/libpg_query/include -Iduckdb/third_party/lz4 -Iduckdb/third_party/brotli/include -Iduckdb/third_party/brotli/common -Iduckdb/third_party/brotli/dec -Iduckdb/third_party/brotli/enc -Iduckdb/third_party/mbedtls -Iduckdb/third_party/mbedtls/include -Iduckdb/third_party/mbedtls/library -Iduckdb/third_party/miniz -Iduckdb/third_party/pcg -Iduckdb/third_party/re2 -Iduckdb/third_party/skiplist -Iduckdb/third_party/tdigest -Iduckdb/third_party/utf8proc -Iduckdb/third_party/utf8proc/include -Iduckdb/third_party/yyjson/include -Iduckdb/third_party/zstd/include -Iduckdb/extension/parquet/include -Iduckdb/third_party/parquet -Iduckdb/third_party/thrift -Iduckdb/third_party/lz4 -Iduckdb/third_party/brotli/include -Iduckdb/third_party/brotli/common -Iduckdb/third_party/brotli/dec -Iduckdb/third_party/brotli/enc -Iduckdb/third_party/snappy -Iduckdb/third_party/mbedtls -Iduckdb/third_party/mbedtls/include -Iduckdb/third_party/zstd/include -Iduckdb/extension/core_functions/include -I../inst/include -Iduckdb -DDUCKDB_EXTENSION_PARQUET_LINKED -DDUCKDB_BUILD_LIBRARY -DDUCKDB_EXTENSION_CORE_FUNCTIONS_LINKED -DDUCKDB_BUILD_LIBRARY -DDUCKDB_PLATFORM_RTOOLS=1
 OBJECTS=rfuns.o database.o connection.o statement.o register.o relational.o scan.o signal.o transform.o utils.o reltoaltrep.o types.o cpp11.o $(SOURCES)