Saturday, 2022-08-20

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cr1901+ git fetch https://github.com/YosysHQ/abc16:41
cr1901+ git checkout 20f970f16:41
cr1901error: pathspec '20f970f' did not match any file(s) known to git16:42
cr1901 <-- did someone forget to push?16:42
cr1901jix: This appears to be due to your PR according to git blame https://github.com/YosysHQ/yosys/pull/3434. Where can I find abc revision 20f970f?16:45
cr1901Commit is not upstream either: https://github.com/berkeley-abc/abc/search?q=20f970f16:47
jixcr1901: huh, it passed CI which AFAIK uses the normal Makefile logic to pull the abc version, so that should work, but let me double check....16:48
cr1901I build the FPGA tools once a week to "prime" sccache/make sure things still work. Not sure where rev 20f970f is so I can figure out whether I broke something on my end or not16:50
jixhttps://github.com/YosysHQ/abc/tree/read_cex_updates is the branch, and the makefile should be able to pull that, but I should have merged that into the YosysHQ/abc/yosys-experimental branch before merging the corresponding yosys PR16:52
cr1901does CI manually set ABC_REV?16:52
cr1901(or has extra logic to "look harder" for commits?)16:53
jixif I do a fresh clone of yosys and just run make it works fine here, do you have any idea what's different for your setup that might break this?16:56
cr1901jix: If you have that fresh clone still, can you run "git branch" inside the abc dir?16:58
jixthat just outputs "* (HEAD detached at 20f970f5)" and "yosys-experimental" but the branch is read_cex_updates (of the yosys abc repo not upstream)16:59
jixlet me point yosys-experimental at that commit (yosys-experimental is the branch that goes with yosys master, so I should have done that before already, I'm just not sure how not doing that could break things given that it uses the hash not the branch name)17:00
cr1901a clean build works for me as well, interestingly17:00
cr1901Ahhh git branch -r17:01
cr1901origin/read_cex_updates is not in my original yosys copy17:01
cr1901I guess I have to manually add remote branches17:02
cr1901when new ones appear*17:02
jixcr1901: can you try again with an existing clone?17:02
cr1901working fine now (well, it's still compiling ;)...)17:03
cr1901yea it worked fine17:04
jixI updated the yosys-experimental abc branch and that should fix existing clones (and is what I should have done before merging the PR)17:04
cr1901presumably CI succeeds because it's a fresh copy, and your version succeeds because abc already exists w/ the relevant branch/commit on your system17:04
cr1901ahhh well, that was easy enough17:05
cr1901thanks for the help17:05
jixI wonder if there's a good way to check for this during CI while still allowing different branches during development17:09
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