Only download UnicodeData.txt once (#19794)

Verify the checksums on every run, but only download the file if missing. Also fix path in error message when checksum doesn't match by tweaking jlchecksum a bit so that it doesn't assume all files are saved into deps/srccache.
JuliaLang · Jan 1, 2017 · c38a5a3 · c38a5a3 · nanosoldier · Jan 2, 2017
1 parent 205c12b
commit c38a5a3
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Showing 2 changed files with 5 additions and 2 deletions.
diff --git a/deps/tools/jlchecksum b/deps/tools/jlchecksum
@@ -37,7 +37,8 @@ checksum_error()
     echo "  But \`$CHECKSUM_PROG\` results in:" >&2
     print_hash "$CURR_CHECKSUM"
     echo "  This can happen due to bad downloads or network proxies, please check your" >&2
-    echo "  network proxy/firewall settings and delete deps/srccache/$BASENAME" >&2
+    echo "  network proxy/firewall settings and delete" >&2
+    echo "  $(realpath $ARG1)" >&2
     echo "  to force a redownload when you are ready" >&2
     echo "===============================================================================" >&2
     exit 2

diff --git a/doc/Makefile b/doc/Makefile
@@ -18,8 +18,10 @@ help:
 	@echo "  doctest   to run all doctests embedded in the documentation"
 	@echo "  check     to run linkcheck and doctests"
 
-deps:
+UnicodeData.txt:
 	$(JLDOWNLOAD) http://www.unicode.org/Public/9.0.0/ucd/UnicodeData.txt
+
+deps: UnicodeData.txt
 	$(JLCHECKSUM) UnicodeData.txt
 
 clean: