[Cmake-commits] CMake branch, next, updated. v3.8.0-rc4-633-g20e7a6d

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- Log -----------------------------------------------------------------
https://cmake.org/gitweb?p=cmake.git;a=commitdiff;h=20e7a6dcda2c9e214b8998a7124c3ac2f6471507
commit 20e7a6dcda2c9e214b8998a7124c3ac2f6471507
Merge: c791fb1 6f3838c
Author:     Brad King <brad.king at kitware.com>
AuthorDate: Fri Mar 31 17:01:44 2017 +0000
Commit:     Kitware Robot <kwrobot at kitware.com>
CommitDate: Fri Mar 31 13:01:52 2017 -0400

    Stage topic 'ExternalProject-fix-remote-branch'
    
    Topic-id: 23427
    Topic-url: https://gitlab.kitware.com/cmake/cmake/merge_requests/649


https://cmake.org/gitweb?p=cmake.git;a=commitdiff;h=6f3838c034e652b90d9c2571851729313880a328
commit 6f3838c034e652b90d9c2571851729313880a328
Author:     Brad King <brad.king at kitware.com>
AuthorDate: Fri Mar 31 12:53:51 2017 -0400
Commit:     Brad King <brad.king at kitware.com>
CommitDate: Fri Mar 31 12:59:53 2017 -0400

    ExternalProject: Fix regression in GIT_TAG with remote branch name
    
    The change in commit  v3.8.0-rc2~7^2 (ExternalProject: Run `git
    checkout` with `--` to clarify arguments, 2017-02-24) broke the case of
    `GIT_TAG some-remote-branch` because an explicit `--` means that the
    preceding argument is a tree-ish instead of a branch.  Revert the change
    and leave a comment.
    
    Fixes: #16763

diff --git a/Modules/ExternalProject.cmake b/Modules/ExternalProject.cmake
index 00781d6..b42d2dd 100644
--- a/Modules/ExternalProject.cmake
+++ b/Modules/ExternalProject.cmake
@@ -600,8 +600,11 @@ if(error_code)
   message(FATAL_ERROR \"Failed to clone repository: '${git_repository}'\")
 endif()
 
+# Use `git checkout <branch>` even though this risks ambiguity with a
+# local path.  Unfortunately we cannot use `git checkout <tree-ish> --`
+# because that will not search for remote branch names, a common use case.
 execute_process(
-  COMMAND \"${git_EXECUTABLE}\" \${git_options} checkout ${git_tag} --
+  COMMAND \"${git_EXECUTABLE}\" \${git_options} checkout ${git_tag}
   WORKING_DIRECTORY \"${work_dir}/${src_name}\"
   RESULT_VARIABLE error_code
   )

-----------------------------------------------------------------------

Summary of changes:
 Modules/ExternalProject.cmake |    5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)


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