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Craig Scott
5e941a545b
In ac6a4d4884 (ExternalProject: Improve robustness of update step,
2020-10-17), the method used to check whether we already have a
commit or not was changed from using git rev-list to git rev-parse.
The new logic assumed rev-parse would output nothing if given a commit
hash it didn't know about, but it simply prints the hash again without
raising an error in this scenario. Amend that logic by adding ^{commit} to
the ref to ensure we do get an error if that ref is not currently known.
Fixes: #22166
16 lines
353 B
CMake
16 lines
353 B
CMake
cmake_minimum_required(VERSION 3.19)
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project(FetchTags LANGUAGES NONE)
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include(ExternalProject)
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# repoDir and gitTag are expected to be set as cache variables
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ExternalProject_Add(fetcher
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GIT_REPOSITORY ${repoDir}
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GIT_TAG ${gitTag}
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GIT_REMOTE_UPDATE_STRATEGY CHECKOUT
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CONFIGURE_COMMAND ""
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BUILD_COMMAND ""
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INSTALL_COMMAND ""
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)
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