elvm

elvm is the companion of elephc: it pins the compiler version for each project. A committed .elephc-version decides which compiler runs, so every contributor and every CI job builds with the same one. PATH gets a single entry, then a shim resolves the version and execs the real binary, with no shell hooks.

It installs published releases, nightly builds of main, or builds from source where no binary is published. Running elephc never downloads anything: if the selected version is missing, elvm tells you which command installs it.