tuning the Makefile

Makefile

@@ -1,34 +1,46 @@
-R_OPTS = --vanilla -e
+R.OPTS = --vanilla -e
 DATE = $(shell date.exe "+%Y%m%d")
+PKG.VERS = $(shell Rscript $(R.OPTS) "cat(read.dcf('DESCRIPTION', fields='Version'))")
+PKG.NAME = $(shell Rscript $(R.OPTS) "cat(read.dcf('DESCRIPTION', fields='Package'))")
+BUILT.PKG = $(PKG.NAME)_$(PKG.VERS).tar.gz
+
+## TODO:
+## o Add target for pushing version tag (e.g., v0.0.9) to github for package release
+
+test:
+	@echo $(BUILT.PKG)
 
 date:
 	@echo $(DATE)
 
-##### build and check package
+
+##### targets to build and check package
 
 ## Build the package. Set 'binary=FALSE' (build a source package) for cross-platform portability.
 build: 
-	R $(R_OPTS) "devtools::build(pkg='.', binary=FALSE, vignettes=TRUE, manual=TRUE)"
+	R $(R.OPTS) "devtools::build(pkg='.', binary=FALSE, vignettes=TRUE, manual=TRUE)"
 
 ## Check the built package for current version number.
+## Must pass checks with no errors, and preferably no warnings. 
 checkbuilt: 
-	R $(R_OPTS) "devtools::check_built(path=here::here('..', 'FDButils_0.0.9.tar.gz'))"
+	R $(R.OPTS) "devtools::check_built(path=here::here('..', '$(BUILT.PKG)'))"
 
-## Build and check the package. Does not save built package. Must pass checks with no errors, and preferably no warnings. 
+## Build and check the package. Does not save built package.
+## Must pass checks with no errors, and preferably no warnings. 
 check:
-	R $(R_OPTS) "devtools::check(pkg='.')"
+	R $(R.OPTS) "devtools::check(pkg='.')"
 
-##### Build pkgdown site from scratch (online documentation)
+##### target to build pkgdown site from scratch (online documentation)
 pkgdown:
-	R $(R_OPTS) "pkgdown::clean_site(pkg='.')"
-	R $(R_OPTS) "pkgdown::build_site(pkg='.', preview=TRUE)"
+	R $(R.OPTS) "pkgdown::clean_site(pkg='.')"
+	R $(R.OPTS) "pkgdown::build_site(pkg='.', preview=TRUE)"
 
-##### Build documentation in various formats in order to check it's ok.
+##### targets to build documentation in various formats, mostly in order to check it's ok before release
 
 ## Build roxygen2 documentation
 document: 
-	R $(R_OPTS) "devtools::document(pkg='.')"
+	R $(R.OPTS) "devtools::document(pkg='.')"
 
 ## Build PDF manual and put it in the parent directory to the package.
 manual: 
-	R $(R_OPTS) "devtools::build_manual(pkg='.')"
+	R $(R.OPTS) "devtools::build_manual(pkg='.')"