fix: run shell with clean environment #123
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The problem was that Nix's initialization script checks for an environment variable (`__ETC_PROFILE_NIX_SOURCED`) to prevent duplicate execution. When Emacs calls a shell process, this variable is inherited, causing the Nix `PATH` setup to be skipped. This commit adds a function to run call-process with empty process-environment, ensuring shell initialization scripts run completely fresh, properly including Nix paths in the returned environment variables.
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The problem was that Nix's initialization script checks for an environment variable
(
__ETC_PROFILE_NIX_SOURCED) to prevent duplicate execution.When Emacs calls a shell process,
this variable is inherited,
causing the Nix
PATHsetup to be skipped.This commit adds a function to run call-process with empty process-environment,
ensuring shell initialization scripts run completely fresh,
properly including Nix paths in the returned environment variables.