# Backing git repos to tape? 3 messages from 2007-11-25 to 2007-11-25. Participants: Joakim Tjernlund, Jakub Narebski. Thread: https://gitlist.dev/t/11005 ## Joakim Tjernlund, 2007-11-25 10:58 Subject: Backing git repos to tape? Message-ID: <027601c82f52$2433fdf0$5267a8c0@Jocke> URL: https://gitlist.dev/e/027601c82f52%242433fdf0%245267a8c0%40Jocke ``` Is there a preferred way to do the above? To do a full backup I could just copy the whole repo, but how do I do inrecmental backups(and restore)? Jocke ``` ## Jakub Narebski, 2007-11-25 11:05 Subject: Re: Backing git repos to tape? Message-ID: URL: https://gitlist.dev/e/fibkt4%24q6g%241%40ger.gmane.org In-Reply-To: <027601c82f52$2433fdf0$5267a8c0@Jocke> ``` [Cc: Joakim Tjernlund , git@vger.kernel.org] Joakim Tjernlund wrote: > Is there a preferred way to do the above? > > To do a full backup I could just copy the whole repo, but how > do I do inrecmental backups(and restore)? Try git-bundle. There were in the mailing list archive the recipe on how to do an "incremental" bundle... ...ahh, there it is, by Johannes "Dscho" Schindelin: git bundle create retort.bundle --all \ --not $(git ls-remote the-other.bundle | cut -c1-40) Message-ID: -- Jakub Narebski Warsaw, Poland ShadeHawk on #git ``` ## Jakub Narebski, 2007-11-25 12:00 Subject: Re: Backing git repos to tape? Message-ID: <200711251300.06575.jnareb@gmail.com> URL: https://gitlist.dev/e/200711251300.06575.jnareb%40gmail.com In-Reply-To: <028101c82f58$0e26f200$5267a8c0@Jocke> ``` On Sun, 25 Nov 2007, Joakim Tjernlund wrote: > Joakim Tjernlund wrote: >> Jakub Narebski wrote: >>> Joakim Tjernlund wrote: >>> >>>> Is there a preferred way to do the above? >>>> >>>> To do a full backup I could just copy the whole repo, but how >>>> do I do inrecmental backups(and restore)? >>> >>> Try git-bundle. There were in the mailing list archive the recipe >>> on how to do an "incremental" bundle... >>> >>> ..ahh, there it is, by Johannes "Dscho" Schindelin: >>> >>> git bundle create retort.bundle --all \ >>> --not $(git ls-remote the-other.bundle | cut -c1-40) >> >> Thanks, will look into git bundle Please note however thatgit-bundle was created for easy and efficient off-line (sneakernet) transport, not for backups of repositories. Nevertheless it might be a good tool to use. > Just did a > git ls-remote ./. > in my linux repo and got a lot of ^{} in the printout. > What do the ^{} mean? > > ... > 0b8bc8b91cf6befea20fe78b90367ca7b61cfa0d refs/tags/v2.6.23 > 7d57c74238cdf570bca20b711b2c0b31a553c1e5 refs/tags/v2.6.23-rc1 > f695baf2df9e0413d3521661070103711545207a refs/tags/v2.6.23-rc1^{} [...] ---- git-rev-parse(1): SPECIFYING REVISIONS -------------------- A revision parameter typically, but not necessarily, names a commit object. They use what is called an 'extended SHA1' syntax. Here are various ways to spell object names. [...] * A suffix '^' followed by an empty brace pair (e.g. `v0.99.8^{}`) means the object could be a tag, and dereference the tag recursively until a non-tag object is found. ---- refs/tags/v2.6.23-rc1 is a ref which points to a _tag object_ 7d57c742..., which in turn points to commit f695baf2... -- Jakub Narebski Poland ```