[LLVMdev] Advise on Git mirror for llvm-lit

[Daniel Dunbar]

On Sat, Mar 1, 2014 at 5:25 AM, Daniel Liew <daniel.liew at imperial.ac.uk>wrote:

> Hi Konstantin,
>
>
> >> I find the llvm-lit tool incredibly useful for other to setup a git
> >> mirror that mirrors only stuff in utils/lit which I could then use as
> >> a git submodule in other projects I work on. The rationale for doing
> >> this is that that cloning the llvm git repository is wasteful if I
> >> only want llvm-lit.
>
> Oops. There was a typo there. That should of said.
>
>  "I find the llvm-lit tool incredibly useful for other non-LLVM
> projects. I'd like to setup a git mirror that only mirrors stuff in
> utils/lit which I could then use as a git submodule in other
> projects".
>
> > Are you sure you really need git, or you just want to install last stable
> > version? If the latter, run `pip install lit` to install it system-wide.
> >
> > https://pypi.python.org/pypi/lit/0.2.0
>
> Git isn't essential. I didn't know that llvm-lit was in pypi. It seems
> that this version is quite out of date though. My lit.site.cfg files
> work with upstream llvm-lit and when I try to use lit from pypi, I get
> th
>
> > --
> > Regards, Konstantin
>
>
> Hi,
>
> Thanks for the reply.
>
> I just noticed there was a typo in my last e-mail. That should of said
> "I find the llvm-lit tool incredibly useful for other non-LLVM
> projects. I'd like to setup a git mirror that only mirrors stuff in
> utils/lit which I could then use as a git submodule".
>
> > Are you sure you really need git, or you just want to install last stable
> > version? If the latter, run `pip install lit` to install it system-wide.
> >
> > https://pypi.python.org/pypi/lit/0.2.0
>
> Thanks. I didn't realise llvm-lit was in pypi, this is probably a
> better solution. It doesn't seem this version has been updated in a
> while though. I've been using upstream llvm-lit and when I try to use
> lit from pip I get the following error message when it tries to load
> my lit.site.cfg file.
>
> ```
> Traceback (most recent call last):
>   File "/home/dan/pythonvenv/bin/lit", line 9, in <module>
>     load_entry_point('lit==0.2.0', 'console_scripts', 'lit')()
>   File
> "/home/dan/pythonvenv/local/lib/python2.7/site-packages/lit/main.py",
> line 522, in main
>     testSuiteCache, localConfigCache)[1])
>   File
> "/home/dan/pythonvenv/local/lib/python2.7/site-packages/lit/main.py",
> line 230, in getTests
>     ts,path_in_suite = getTestSuite(path, litConfig, testSuiteCache)
>   File
> "/home/dan/pythonvenv/local/lib/python2.7/site-packages/lit/main.py",
> line 199, in getTestSuite
>     ts, relative = search(item)
>   File
> "/home/dan/pythonvenv/local/lib/python2.7/site-packages/lit/main.py",
> line 183, in search
>     cache[path] = res = search1(path)
>   File
> "/home/dan/pythonvenv/local/lib/python2.7/site-packages/lit/main.py",
> line 174, in search1
>     cfg = TestingConfig.frompath(cfgpath, None, litConfig, mustExist =
> True)
>   File
> "/home/dan/pythonvenv/local/lib/python2.7/site-packages/lit/TestingConfig.py",
> line 61, in frompath
>     exec f in cfg_globals
>   File "/home/dan/dev/OutputCheck/tests/lit.site.cfg", line 1, in <module>
>     import lit.formats
> ImportError: No module named formats
> ```
>
> @Daniel Dunbar: Any chance of updating the pypi lit package to
> upstream llvm-lit?
>

Yeah, thats a good idea. I'll put this on my TODO list.

Towards your original question, I agree that using the Python lit package
is probably the right way to go for people who want to use 'lit' on
non-LLVM projects.

 - Daniel


> Thanks,
> Dan
>
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