Merge pull request #3988 from Gabriel439/gabriel/preserve_ps1

Add `nix-shell` support for preserving PS1
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Domen Kožar 2020-09-11 12:33:03 +02:00 committed by GitHub
commit e1f2c93f88
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@ -98,8 +98,8 @@ static void _main(int argc, char * * argv)
// List of environment variables kept for --pure // List of environment variables kept for --pure
std::set<string> keepVars{ std::set<string> keepVars{
"HOME", "USER", "LOGNAME", "DISPLAY", "PATH", "TERM", "HOME", "USER", "LOGNAME", "DISPLAY", "PATH", "TERM", "IN_NIX_SHELL",
"IN_NIX_SHELL", "TZ", "PAGER", "NIX_BUILD_SHELL", "SHLVL", "NIX_SHELL_PRESERVE_PROMPT", "TZ", "PAGER", "NIX_BUILD_SHELL", "SHLVL",
"http_proxy", "https_proxy", "ftp_proxy", "all_proxy", "no_proxy" "http_proxy", "https_proxy", "ftp_proxy", "all_proxy", "no_proxy"
}; };
@ -446,7 +446,7 @@ static void _main(int argc, char * * argv)
"PATH=%4%:\"$PATH\"; " "PATH=%4%:\"$PATH\"; "
"SHELL=%5%; " "SHELL=%5%; "
"set +e; " "set +e; "
R"s([ -n "$PS1" ] && PS1='\n\[\033[1;32m\][nix-shell:\w]\$\[\033[0m\] '; )s" R"s([ -n "$PS1" -a -z "$NIX_SHELL_PRESERVE_PROMPT" ] && PS1='\n\[\033[1;32m\][nix-shell:\w]\$\[\033[0m\] '; )s"
"if [ \"$(type -t runHook)\" = function ]; then runHook shellHook; fi; " "if [ \"$(type -t runHook)\" = function ]; then runHook shellHook; fi; "
"unset NIX_ENFORCE_PURITY; " "unset NIX_ENFORCE_PURITY; "
"shopt -u nullglob; " "shopt -u nullglob; "