ExternalProject: Only add git config setting with git 1.7.7 or later (!6145) · Merge requests · CMake / CMake

Craig Scott requested to merge craig.scott/cmake:git-config-version-check into master May 20, 2021

1cb65e68 (ExternalProject: Prevent the noisy detached head messages on checkout, 2021-01-17) unconditionally added the advice.detachedHead git config setting, but it requires git 1.7.7 or later. Since it isn't fatal to not have it, just noisier, only add it when it is supported.

Fixes: #22206 (closed)
Backport: release

ExternalProject: Only add git config setting with git 1.7.7 or later

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