X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=trunk%2Fexec%2Fupdate_cache;h=3864d1727aeb0c2ad14e2a7c88acf3800f4d22b7;hb=9ccdccec13be2765facd88844c08e456dc55f362;hp=e6741a940d8eb660450b0afe577d7e5b5d93f0f2;hpb=3ba98e7ab3d2ba1f6463224d9ed8e5c1c41b3673;p=cran2deb.git

diff --git a/trunk/exec/update_cache b/trunk/exec/update_cache
index e6741a9..3864d17 100755
--- a/trunk/exec/update_cache
+++ b/trunk/exec/update_cache
@@ -1,4 +1,5 @@
 #!/usr/bin/r -t
+
 # Note: everything in the case needs to be system-independent!
 library(cran2deb)
 library(ctv)
@@ -9,6 +10,8 @@ library(ctv)
 #mirror <- 'http://cran.uk.r-project.org/'
 mirror <- 'http://cran.r-project.org/'
 
+verbose<-FALSE
+
 message('updating list of available R packages...')
 available <- available.packages(contrib.url(mirror))
 
@@ -25,9 +28,34 @@ base_pkgs <- readLines(pipe(paste('sudo pbuilder --execute --override-config --c
                                  ,shQuote(file.path(root,'exec/get_base_pkgs'))
                                  ,'| grep -v ^W:')))
 
+if (any(grep("^E:",base_pkgs,value=FALSE))) {
+	cat("Cannot continue, the following error occurred:\n")
+	cat(paste(grep("^E:",base_pkgs,value=TRUE),collapse="\n"))
+	cat("\n")
+	q(save="no")
+}
+
+
+if (verbose) {
+	cat("The following base packages were determined:\n")
+	print(base_pkgs)
+}
+
 message('updating list of existing Debian packages...')
 debian_pkgs <- readLines(pipe('apt-cache rdepends r-base-core | sed -e "/^  r-cran/{s/^[[:space:]]*r/r/;p}" -e d | sort -u'))
 
+if (any(grep("^E:",debian_pkgs,value=FALSE))) {
+	cat("Cannot continue, the following error occurred:\n")
+	cat(paste(grep("^E:",debian_pkgs,value=TRUE),collapse="\n"))
+	cat("\n")
+	q(save="no")
+}
+
+if (verbose) {
+	cat("The following packages were found to be available:\n")
+	print(debian_pkgs)
+}
+
 save(debian_pkgs, base_pkgs, available, ctv.available, file=file.path(cache_root,'cache.rda'),eval.promises=T)
 
 message('synchronising database...')