Dear Holger,
In message 4E119D36.7040900@keymile.com you wrote:
and I wonder if it is needed to update the history of *all* patches in a serie even if for different specific patches nothing was changed. Or if it sufficient if only the subject indicates the version number for such patches.
If you keep the threading of the messages intact (i. e. supply proper In-reply-to: and References: headers - like you get automatically when inserting the message ID when "git send-email" asks for the "Message-ID to be used as In-Reply-To for the first email"), then there is usually no need to resend unchanged patces at all - what for? It would be just a waste of effort and bandwidth.
E.g patch serie where only 1 patch has changes requested, do I need to update all other patches with the history:
"Changes for v2: - nothing"
No. Please don't repost the unchanged patches at all. Repost just the one that you modified.
There are only few cases where you have biggger or more complicated series of patches, which undergo a number of changes here and there where it may make sense to repost a clean version of the whole series.
The basic rule here is once again: "No news is good news."
Best regards,
Wolfgang Denk