Finalize the GNUmakefile setup

Author: ingydotnet

GNUmakefile

@@ -1,17 +1,17 @@
-M := .cache/.makes
-$(shell [ -d $M ] || git clone -q https://github.com/makeplus/makes $M)
+M := .cache/makes
+M-COMMIT ?= 683675d4c45f90f40215399ebd319805877999c9
+$(shell [ -d $M ] || ( \
+  git clone -q https://github.com/makeplus/makes $M && \
+  git -C $M reset -q --hard $(M-COMMIT)))
+ifneq ($(shell git -C $M rev-parse $(M-COMMIT)),\
+       $(shell git -C $M rev-parse HEAD))
+$(error $M is not at the correct commit: $(M-COMMIT))
+endif
+
 include $M/init.mk
 include $M/go.mk
-include $M/ys.mk
-
-# Print Makefile targets summary
-default::
-
-$(GO-CMDS):: $(GO)
-	go $@ $A
-
-ys-test: $(YS)
-	prove -v test/
+SHELL-NAME := go-yaml
+include $M/shell.mk
 
 distclean:
-	$(RM) -r .cache
+	$(RM) -r $(ROOT)/.cache

README.md

@@ -168,7 +168,7 @@ b:
 ## Testing with `make`
 
 Running `make test` in this directory should just work.
-You don't need to have `go` installed and even if you do the Makefile will
+You don't need to have `go` installed and even if you do the `GNUmakefile` will
 ignore it and setup / cache its own version under `.cache/`.
 
 The only things you need are:
@@ -182,7 +182,9 @@ Some `make` commands are:
 
 * `make test`
 * `make test GO-VERSION=1.2.34`
-* `make distclean` - Remove `.cache/`
+* `make shell` Start a shell with the local `go` environment
+* `make shell GO-VERSION=1.2.34`
+* `make distclean` - Removes `.cache/`
 
 
 ## License