Chris,
On 4/29/2019 12:18 PM, Christopher Schultz wrote:
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Igal,
On 4/29/19 14:52, Igal Sapir wrote:
Chris,
On Thu, Apr 25, 2019 at 12:08 PM Christopher Schultz <
ch...@christopherschultz.net> wrote:
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Igal,
On 4/25/19 14:42, Igal Sapir wrote:
On 4/25/2019 11:30 AM, Coty Sutherland wrote:
If you clone a single branch with no references such as `git
clone apache/tomcat -b master --single-branch` then you get
just the references/history for the master branch which
results in about a 70M .git directory.
So one needs to consider whether that added layer of complexity
is worth the savings of 30M disk space, even when multiplied
over 3 branches. Imagine the reclaimed space after deleting the
local SVN directories ;)
For Tomcat 8.5.x @ r1852558:
$ du -hs .svn/ 41M .svn/
Are you sure that you have the whole history there? I am working
ATM on my Ubuntu workstation where I have a copy of the Tomcat 8.5
SVN. The disk usage is mostly in the tags directory and not in the
.svn:
ux@u18:/workspace/src/tc8.5.x$ du -sh tags 1.2G tags
ux@u18:/workspace/src/tc8.5.x$ du -sh .svn 231M .svn
ux@u18:/workspace/src/tc8.5.x$ du -sh . 1.5G .
Oh, heavens no. Checking-out the root of a project in svn is almost
never a good idea. I've literally never checked-out /svn/[project]. I
always check-out /svn/[project]/trunk or /svn/[project]/tags/[branch].
Never even in private repositories, for the same reason: there is no
reason ever to grab every tag and branch ever onto your own disk.
Subversion is efficient on the server-side, but the client is dumb and
will happily duplicate everything.
Each "tag" takes about 35MB:
ux@u18:/workspace/src/tc8.5.x$ du -sh tags/TOMCAT_8_5_25 35M
tags/TOMCAT_8_5_25 ux@u18:/workspace/src/tc8.5.x$ du -sh
tags/TOMCAT_8_5_24 35M tags/TOMCAT_8_5_24
ux@u18:/workspace/src/tc8.5.x$ du -sh tags/TOMCAT_8_5_23 34M
tags/TOMCAT_8_5_23
Yeah, you should never have grabbed those. It was a waste of time and
disk space (and back-up time and disk space).
And now I know ;) I was actually banned from the apache.org network at
some point because downloading the whole Tomcat SVN repo used too many
requests per day.
But this was exactly my point when comparing SVN to Git. Your Git
repository of 80MB includes all of the history with all of the branches
and tags, so it's tiny compared to the gigabytes that SVN uses (1.5GB
for only tc8.5).
We are using Lightweight Tags [1] in Git so they barely take any disk space.
Igal
[1] https://git-scm.com/book/en/v2/Git-Basics-Tagging#_lightweight_tags
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