Yann E. MORIN 5b95a5dc27 support/download: change format of archives generated from git 6 lat temu
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git-sha1-branch-head.hash 5b95a5dc27 support/download: change format of archives generated from git 4 lat temu
git-sha1-branch-head.mk 5692e6afa1 testing/tests/download: test git branch 6 lat temu