R/check_src_list.R

In USGS-R/grantools: Build and check GRAN packages

#' read_src_list
#' 
#' 
#' Checks for package file to exist in one location, if it does it compares it to a 
#' known file and returns the packages that need to be updated. 
#' Otherwise it returns the entire known list.
#' 
#' @param checkPath character File path to the build list, generally either in src/contrib or bin
#' @param defaultPath character path to file to compare checkPath to, or use if checkPath does not exist
#' @import utils
#' @export
#' 
read_src_list <- function(checkPath, defaultPath){
	
	new <- read.table(defaultPath, header=TRUE,stringsAsFactors=FALSE)
	if(file.exists(checkPath)){
	  currentBuild <- read.table(checkPath, header=TRUE,stringsAsFactors=FALSE)
	  newTaggedVersions <- findNotMatched(new,currentBuild)
	  
	  print("New packages to build:")
	  print(newTaggedVersions)
	  return(newTaggedVersions)
	  
	} else {
	  print("New packages to build:")
	  print(new)
	  return(new)
	}
}

#' check_src_tags
#' 
#' checks package tags for validity
#' 
#' @importFrom httr HEAD
#' @export
check_src_tags <- function(){
	
	packages = read_src_list(defaultPath = system.file('gran_source_list.tsv',package = 'granbuild'), checkPath = 'notApath')
	
	for(i in 1:nrow(packages)){
		url <- paste0('https://github.com/', packages$package[i], '/archive/', packages$tag[i], '.zip')
		r <- HEAD(url)
		if (r$status_code != 200)
			stop(url,'returned status code',r$status_code)
	}
	return(TRUE)
}

#' findNotMatched
#' 
#' checks two data frames and returns rows in 1 that aren't matched in 2
#' modified from \url{https://rappster.wordpress.com/2011/10/12/identifying-records-in-data-frame-a-that-are-not-contained-in-fata-frame-b-a-comparison}
#' 
#' 
#' @param x.1 something
#' @param x.2 something else
findNotMatched <- function(x.1,x.2){
  #remove repo and slash from package name
  x.1p <- sub(".*\\/","",toupper(do.call("paste", x.1)))
  x.2p <- sub(".*\\/","",toupper(do.call("paste", x.2)))
  ret <- x.1[! x.1p %in% x.2p, ]
  return(ret)
}