customize value of TMPDIR to simplify cleanup

Signed-off-by: Jakub Sokołowski <jakub@status.im>

Makefile

@@ -1,4 +1,4 @@
-.PHONY: nix-add-gcroots clean nix-clean disable-githooks react-native-android react-native-ios react-native-desktop test release _list _fix-node-perms
+.PHONY: nix-add-gcroots clean nix-clean disable-githooks react-native-android react-native-ios react-native-desktop test release _list _fix-node-perms tmpdir-mk tmpdir-rm
 
 help: SHELL := /bin/sh
 help: ##@other Show this help
@@ -31,10 +31,21 @@ HOST_OS := $(shell uname | tr '[:upper:]' '[:lower:]')
 export _NIX_KEEP ?= BUILD_ENV
 export NIX_CONF_DIR = $(PWD)/nix
 # We don't want to use /run/user/$UID because it runs out of space too easilly
-export TMPDIR = /tmp
+export TMPDIR = /tmp/tmp-status-react
 
 export REACT_SERVER_PORT ?= 5001 # any value different from default 5000 will work; this has to be specified for both the Node.JS server process and the Qt process
 
+#----------------
+# Required targets
+#----------------
+
+tmpdir-mk: SHELL := /bin/sh
+tmpdir-mk: ##@prepare Create a TMPDIR for temporary files
+	@mkdir -p "$(TMPDIR)"
+
+# Run these tasks every time make is called
+-include tmpdir-mk
+
 #----------------
 # Nix targets
 #----------------
@@ -85,19 +96,12 @@ _fix-node-perms: ##@prepare Fix permissions so that directory can be cleaned
 	$(shell test -d node_modules && chmod -R 744 node_modules)
 	$(shell test -d node_modules.tmp && chmod -R 744 node_modules.tmp)
 
+tmpdir-rm: ##@prepare Remove TMPDIR
+	rm -r "$(TMPDIR)"
+
 clean: SHELL := /bin/sh
-clean: _fix-node-perms ##@prepare Remove all output folders
-	echo "Cleaning status-react repo ..."; \
-	git clean -dxf -f; \
-	echo "Cleaning Yarn/Metro caches in temp dirs ..."; \
-	for d in "$$TMPDIR" "/tmp"; do \
-	if [ -d "$$d" ]; then \
-	pushd $$TMPDIR; \
-	rm -rf ./*metro*; \
-	rm -rf ./*yarn*; \
-	popd; \
-	fi; \
-	done
+clean: _fix-node-perms tmpdir-rm ##@prepare Remove all output folders
+	git clean -dxf -f
 
 watchman-clean: export _NIX_ATTR := targets.watchman.shell
 watchman-clean: ##@prepare Delete repo directory from watchman