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When adding support for prefixing output of log and other commands using --line-prefix, commit 660e113c ("graph: add support for --line-prefix on all graph-aware output", 2016-08-31) accidentally broke rev-list --header output. In order to make the output appear with a line-prefix, the flow was changed to always use the graph subsystem for display. Unfortunately the graph flow in rev-list did not use info->hdr_termination as it was assumed that graph output would never need to putput NULs. Since we now always use the graph code in order to handle the case of line-prefix, simply replace putchar('\n') with putchar(info->hdr_termination) which will correct this issue. Add a test for the --header case to make sure we don't break it in the future. Reported-by: Dennis Kaarsemaker <dennis@kaarsemaker.net> Signed-off-by: Jacob Keller <jacob.keller@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com> Signed-off-by: Jacob Keller <jacob.keller@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
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