install_current_exe
Diagnostic `nanook::cli::install_current_exe`
Summary
could not locate the running nanook binary
Help
re-invoke nanook install from a normal shell instead of a deleted or moved binary
Details
When this fires
nanook install couldn't figure out where the running binary lives. It calls std::env::current_exe() then canonicalize, and one of those failed. Most often the original binary was deleted or moved out from under the running process, or you're on a platform that can't resolve it.
What to check
If you were running from a build dir that just got cargo cleaned, rebuild and retry. On exotic filesystems, confirm readlink /proc/self/exe works.
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