Hi Mikhail, On Mon, 17 Sep 2018, Mikhail Matrosov wrote:
> Please try the following: > > mmatrosov@Mikhail-PC:~/test$ git init --bare server > Initialized empty Git repository in /home/mmatrosov/test/server/ > mmatrosov@Mikhail-PC:~/test$ git clone server local > Cloning into 'local'... > warning: You appear to have cloned an empty repository. > done. > mmatrosov@Mikhail-PC:~/test$ cd local > mmatrosov@Mikhail-PC:~/test/local$ echo a > a && git add . && git commit -m A > [master (root-commit) a34c21f] A > 1 file changed, 1 insertion(+) > create mode 100644 a > mmatrosov@Mikhail-PC:~/test/local$ git push > Counting objects: 3, done. > Writing objects: 100% (3/3), 205 bytes | 0 bytes/s, done. > Total 3 (delta 0), reused 0 (delta 0) > To /home/mmatrosov/test/server > * [new branch] master -> master > mmatrosov@Mikhail-PC:~/test/local$ git pull > Already up-to-date. > mmatrosov@Mikhail-PC:~/test/local$ git pull --rebase=preserve > Rebasing (1/1) > Successfully rebased and updated refs/heads/master. > > As you can see, running bare "git pull" just tells me everything is up > to date. However, running "git pull --rebase=preserve" triggers > rebasing of something. This is most likely a `noop` command. > It wont be a problem if it didn't take significant time (especially on > Windows). Why this rebase happens? It is completely redundant and slows > down the pull operation. Looks like a bug to me. It is an implementation detail, and if you want to work on fixing it, please let me know about your availability and C skill level. > > Note that it is important to me, because I want to set "git config > --global pull.rebase preserve". Please note that `preserve` is on its way to deprecation, superseded by `pull.rebase = merges`. Which may, or may not, share the performance penalty you reported. Probably not, though. Ciao, Johannes > But because of this issue, pulling on an up-to-date repository takes a > lot of time. Which is very frustrating. > > Tested with: > * git version 2.19.0.windows.1 in Windows 10 Version 1803 > * git version 2.7.4 in Ubuntu 16.04.3 LTS (inside WSL) > > ----- > Best regards, Mikhail Matrosov >
