I haven't had this problem so this is a complete guess. But if PWD is the only env variable causing a problem, you could try hard coding it to a constant value (which would never match any real directory). That would allow the PWD to always be the same no matter which directory it was actually running, and briefly looking through the code it seems that the PWD variable is only used it if actually matches "."
Sorry for the noise if this isn't helpful - I'm on mobile so I can't test right now. On Thursday, November 23, 2023 at 1:50:04 PM UTC-5 Kevin Burke wrote: > We have some tests that are pretty slow. I would like to use Go's test > caching to skip them in our CI environment, if nothing in the code or the > environment has changed. Our CI environment has a set of _agents_, each of > which can run multiple jobs simultaneously. As a result, they check out > code into a different directory each time they run a job. > > Go's test caching checks every env var loaded by the test program. If any > of them change, then Go assumes that the cache is busted and the test must > be run. > > Any program that imports "os" hits this logic in the os package, which > checks the value of the $PWD environment variable: > > // We query the working directory at init, to use it later to search for > the > // executable file > // errWd will be checked later, if we need to use initWd > var initWd, errWd = Getwd() > > So checking code out to different directories means that any program that > imports "os" cannot have test caching. This seems like a shame because the > code is all laid out in the same place in the working directory. > > Has anyone tried to fix this issue? Do you think this is worth trying to > patch or modify the test caching behavior in Go itself? I could solve this > by running a chroot or another layer of Docker, of course, but I'd prefer > not to do these because of the difficulty of getting data in and out of > each one, communicating with other Docker containers, etc. > -- You received this message because you are subscribed to the Google Groups "golang-nuts" group. To unsubscribe from this group and stop receiving emails from it, send an email to golang-nuts+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/golang-nuts/dfaee5c7-a11e-42be-8637-b8e155e776b0n%40googlegroups.com.
