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ExternalProject: Restore case-insensitive download hash check

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Refactoring in commit v3.6.0-rc1~47^2 (ExternalProject: Re-implement
download logic as a dedicated script, 2016-05-19) accidentally made the
download hash check case-sensitive.  The hash comparison is done in hex
strings, so restore case-insensitive comparison since the case of the
hex digits does not matter.

Fixes: #16568
This commit is contained in:
Brad King
2017-01-17 11:45:18 -05:00
parent cab8f26211
commit 0ed885f742
1 changed files with 1 additions and 1 deletions
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2
Modules/ExternalProject.cmake
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@@ -889,7 +889,7 @@ function(_ep_write_downloadfile_script script_filename REMOTE LOCAL timeout no_p
if("${hash}" MATCHES "${_ep_hash_regex}")
set(ALGO "${CMAKE_MATCH_1}")
set(EXPECT_VALUE "${CMAKE_MATCH_2}")
string(TOLOWER "${CMAKE_MATCH_2}" EXPECT_VALUE)
else()
set(ALGO "")
set(EXPECT_VALUE "")