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I'm using Git 1.7.1 configured with git-http-backend (Smart HTTP). I wanted to see how much faster this was compared to the git:// protocol, since now they are supposed to be on par.
Turns out git:// protocol is compressing more objects (33,229 vs 21,193) for the exact same repo (even verified client side), and thus creating a packfile that's about 30MB bigger for my project.
Is there some reason why git:// protocol needs more objects?
remote: Counting objects: 44510, done.
remote: Compressing objects: 100% (33229/33229), done.
Receiving objects: 100% (44510/44510), 124.07 MiB | 2.84 MiB/s, done.
remote: Total 44510 (delta 22755), reused 15866 (delta 7516)
Resolving deltas: 100% (22755/22755), done.
remote: Counting objects: 24299, done.
remote: Compressing objects: 100% (21931/21931), done.
remote: Total 24299 (delta 7517), reused 0 (delta 0)
Receiving objects: 100% (24299/24299), 95.95 MiB | 2.41 MiB/s, done.
Resolving deltas: 100% (7517/7517), done.
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A simple CGI program to serve the contents of a Git repository to Git clients accessing the repository over http:// and https:// protocols. The program supports clients fetching using both the smart HTTP protocol and the backwards-compatible dumb HTTP protocol, as well as clients pushing using the smart HTTP protocol.
Yet, that's exactly what developer Ephi Gabay did with his experimental proof-of-concept GIC: a chat client written in Node. js using Git as its backend database. GIC is by no means intended for production use. It's purely a programming exercise, but it's one that demonstrates the flexibility of open source technology.
So, Smart-HTTP is basically just enabling the new CGI script that is provided with Git called git-http-backend on the server. This CGI will read the path and headers sent by the revamped git fetch and git push binaries who have learned to communicate in a specific way with a smart server.
May be: via git you download files from all branches and you can quickly switch between them, via http you download only master branch.
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