add submodules for csources and Nimble

.gitmodules

@@ -108,3 +108,13 @@
 	url = https://github.com/status-im/nim-blscurve
 	ignore = dirty
 	branch = master
+[submodule "vendor/Nim-csources"]
+	path = vendor/Nim-csources
+	url = https://github.com/nim-lang/csources.git
+	ignore = dirty
+	branch = master
+[submodule "vendor/nimble"]
+	path = vendor/nimble
+	url = https://github.com/nim-lang/nimble.git
+	ignore = dirty
+	branch = master

Makefile

@@ -20,10 +20,13 @@ RUN_CMD_IN_ALL_REPOS = git submodule foreach --recursive --quiet 'echo -e "\n\e[
 ENV_SCRIPT := "$(CURDIR)/env.sh"
 # duplicated in "env.sh" to prepend NIM_DIR/bin to PATH
 NIM_DIR := vendor/Nim
-#- forces an update of csources and Nimble repos and a complete rebuild, in case we're called after pulling a new Nim version
+#- forces a rebuild of csources, Nimble and a complete compiler rebuild, in case we're called after pulling a new Nim version
+#- uses our Git submodules for csources and Nimble (Git doesn't let us place them in another submodule)
 #- recompiles Nimble with -d:release until we upgrade to nim-0.20 where koch does it by default
 BUILD_NIM := cd $(NIM_DIR) && \
 	rm -rf bin/nim_csources csources dist/nimble && \
+	ln -sr ../Nim-csources csources && \
+	ln -sr ../nimble dist/nimble && \
 	sh build_all.sh && \
 	$(ENV_SCRIPT) nim c -d:release --noNimblePath -p:compiler --nilseqs:on -o:bin/nimble dist/nimble/src/nimble.nim
 
@@ -65,7 +68,7 @@ $(NIMBLE_DIR): | $(NIM_DIR)/bin/nim
 		[ `ls -1 *.nimble 2>/dev/null | wc -l ` -gt 0 ] && { \
 			mkdir -p $$toplevel/$(NIMBLE_DIR)/pkgs/$${sm_path#*/}-#head;\
 			echo -e "$$(pwd)\n$$(pwd)" > $$toplevel/$(NIMBLE_DIR)/pkgs/$${sm_path#*/}-#head/$${sm_path#*/}.nimble-link;\
-		}'
+		} || true'
 
 # builds and runs all tests
 test: | build deps

add_submodule.sh

@@ -0,0 +1,13 @@
+#!/bin/bash
+
+[ -z "$1" -o `echo "$1" | tr '/' '\n' | wc -l` != 2 ] && \
+	{ echo "usage: `basename $0` some/repo [destdir] # 'destdir' defaults to 'vendor/repo'"; exit 1; }
+REPO="$1"
+
+DEST="vendor/${REPO#*/}"
+[ -n "$2" ] && DEST="$2"
+
+git submodule add --force https://github.com/${REPO}.git "$DEST"
+git config -f .gitmodules submodule.${DEST}.ignore dirty
+git config -f .gitmodules submodule.${DEST}.branch master
+

vendor/Nim-csources

@@ -0,0 +1 @@
+Subproject commit b56e49bbedf62db22eb26388f98262e2948b2cbc

vendor/nimble

@@ -0,0 +1 @@
+Subproject commit 3d6dc90cd4dfc12b8ae9d1958e84610cf21b34bb