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authorJohn Szakmeister <john@szakmeister.net>2015-02-09 06:26:59 -0500
committerJohn Szakmeister <john@szakmeister.net>2015-02-09 06:30:17 -0500
commitaa45a2c6cf8d2c58b3190d5d190cf06dc0ff8641 (patch)
tree0c74600107512d2431cb2d700942dd60936f281b
parent2019380bfae3cd8609c7f8b57d27a934370a5e8e (diff)
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build: allow SKIP or skip to be used as the SHA1
This will skip hash checking, just like the all zeros hash.
-rw-r--r--third-party/cmake/DownloadAndExtractFile.cmake6
1 files changed, 6 insertions, 0 deletions
diff --git a/third-party/cmake/DownloadAndExtractFile.cmake b/third-party/cmake/DownloadAndExtractFile.cmake
index bdf8742af1..875d45795d 100644
--- a/third-party/cmake/DownloadAndExtractFile.cmake
+++ b/third-party/cmake/DownloadAndExtractFile.cmake
@@ -77,6 +77,12 @@ endif()
set(NULL_SHA1 "0000000000000000000000000000000000000000")
+# Allow users to use "SKIP" or "skip" as the sha1 to skip checking the hash.
+# You can still use the all zeros hash too.
+if((EXPECTED_SHA1 STREQUAL "SKIP") OR (EXPECTED_SHA1 STREQUAL "skip"))
+ set(EXPECTED_SHA1 ${NULL_SHA1})
+endif()
+
# We could avoid computing the SHA1 entirely if a NULL_SHA1 was given,
# but we want to warn users of an empty file.
file(SHA1 ${file} ACTUAL_SHA1)