protz
The installer overwrote my PATH!
Instead of simply appending to the PATH, this ocaml installer decided that it would be a good idea to completely overwrite it, setting it to the value C:\Users\[me]\AppData\Roaming\OCaml\bin. This broke everything; luckily for me I had a registry backup from a while ago which I searched through and found an old PATH setting, but this kind of behavior is extremely unexpected for an installer.
Did you use the latest version of the installer? That problem used to exist for the 3.12 series only.
Perhaps you had a super long PATH variable in the first place?
On 1/30/17 5:27 PM, Potato42 wrote:
Instead of simply appending to the |PATH|, this ocaml installer decided that it would be a good idea to completely overwrite it, setting it to the value |C:\Users[me]\AppData\Roaming\OCaml\bin|. This broke everything; luckily for me I had a registry backup from a while ago which I searched through and found an old |PATH| setting, but this kind of behavior is extremely unexpected for an installer.
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Did you use the latest version of the installer?
I used the ocaml-4.02.3-x86_64-mingw64-installer4-opam.exe installer from http://protz.github.io/ocaml-installer/
super long PATH variable
I don't know what "super long" means. The result of echo %PATH% is 1674 characters long right now. I don't see why the environment variable being long would cause the installer to overwrite the variable like it did and I am able to append long strings to my PATH using set, although I have not tried using setx or anything like that.
There has been a long history of bugs in NSIS, since they used fixed-length strings... 😱 The easiest solution to solve this would just be to switch to a different installer technology.