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c0b9cf3b55
The "files" backend has implemented special logic when committing the first transactions in an otherwise empty ref store: instead of writing all refs as separate loose files, it instead knows to write them all into a "packed-refs" file directly. This is significantly more efficient than having to write each of the refs as separate "loose" ref. The only user of this optimization is git-clone(1), which only uses this mechanism to write regular refs. Consequently, the implementation does not know how to handle both symbolic and root refs. While fine in the context of git-clone(1), this keeps us from using the mechanism in more cases. Adapt the logic to also support symbolic and root refs by using a second transaction that we use for all of the refs that need to be written as loose refs. Signed-off-by: Patrick Steinhardt <ps@pks.im> Signed-off-by: Junio C Hamano <gitster@pobox.com>