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ExternalProject: Always do a git fetch for a remote ref.

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Remote git refs always require a git fetch, because the remote may move around
where the ref points.
This commit is contained in:
Matt McCormick
2012-07-27 17:38:01 +00:00
committed by Brad King
parent 2619f4d87a
commit 9b66c8faf5
2 changed files with 17 additions and 2 deletions
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4
Tests/ExternalProjectUpdate/ExternalProjectUpdateTest.cmake
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@@ -29,12 +29,12 @@ macro(check_a_tag desired_tag resulting_sha)
WORKING_DIRECTORY ${ExternalProjectUpdate_BINARY_DIR}/CMakeExternals/Source/TutorialStep1-GIT
RESULT_VARIABLE error_code
OUTPUT_VARIABLE tag_sha
OUTPUT_STRIP_TRAILING_WHITESPACE
)
if(error_code)
message(FATAL_ERROR "Could not check the sha.")
endif()
string(STRIP "${tag_sha}" tag_sha)
if(NOT (${tag_sha} STREQUAL ${resulting_sha}))
message(FATAL_ERROR "UPDATE_COMMAND produced
${tag_sha}
@@ -55,4 +55,6 @@ if(GIT_EXECUTABLE)
check_a_tag(tag2 5842b503ba4113976d9bb28d57b5aee1ad2736b7)
check_a_tag(d19707303 d1970730310fe8bc07e73f15dc570071f9f9654a)
check_a_tag(origin/master 5842b503ba4113976d9bb28d57b5aee1ad2736b7)
# This is a remote symbolic ref, so it will always trigger a 'git fetch'
check_a_tag(origin/master 5842b503ba4113976d9bb28d57b5aee1ad2736b7)
endif()