Add simple filename validation before attempting to download

7 years ago · 397cbf906a
parent ec0383fdbe
commit 397cbf906a
1 changed files with 1 additions and 0 deletions
--- a/1
+++ b/1
@ -183,6 +183,7 @@ $(DEPSDIR)/slice.insert.deps: Makefile
 # Useful for looking up firmware versions and the changelog.
 # NOTE: Makes an assumption about the Lenovo URL not changing.
 %.iso.orig.txt:
+	perl -e 'die "Was expecting a 8 charactar filename prefix as used by Lenovo." if length("$(subst .iso.orig,,$@)") != (8 + 4)'
 	wget -O $@ https://download.lenovo.com/pccbbs/mobiles/$(subst .iso.orig,,$@)

 # Generate all the orig images so that we can diff against them later