core.logAllRefUpdates::
Enable the reflog. Updates to a ref <ref> is logged to the file
"$GIT_DIR/logs/<ref>", by appending the new and old
- SHA1, the date/time and the reason of the update, but
+ SHA-1, the date/time and the reason of the update, but
only when the file exists. If this configuration
variable is set to true, missing "$GIT_DIR/logs/<ref>"
file is automatically created for branch heads (i.e. under