Revert "Refactor install.sh and cz"

This reverts commit 7b616e9.

Author: mono0x

bin/cz

@@ -1,2 +1,11 @@
 #!/bin/bash
-exec "$(dirname "$0")/run-clean-env" chezmoi "$@"
+set -eu
+
+homebrew_dir="/opt/homebrew"
+brew="$homebrew_dir/bin/brew"
+
+env -i HOME="$HOME" GITHUB_ACTIONS="${GITHUB_ACTIONS:-}" /bin/bash --noprofile --norc << EOF
+eval "\$(/usr/libexec/path_helper -s)"
+eval "\$("$brew" shellenv)"
+chezmoi "$@"
+EOF

bin/run-clean-env

@@ -24,7 +24,9 @@ fi
 
 echo "Installing and initializing chezmoi"
 
-"$(dirname "$0")/bin/run-clean-env" bash -c "
-  HOMEBREW_NO_AUTO_UPDATE=1 brew install chezmoi
-  chezmoi init --verbose --apply $account
-"
+env -i HOME="$HOME" GITHUB_ACTIONS="${GITHUB_ACTIONS:-}" /bin/bash --noprofile --norc << EOF
+eval "\$(/usr/libexec/path_helper -s)"
+eval "\$("$brew" shellenv)"
+HOMEBREW_NO_AUTO_UPDATE=1 "$brew" install chezmoi
+chezmoi init --verbose --apply $account
+EOF