diff --git a/spec/tests/test_03_commands.sh b/spec/tests/test_03_commands.sh
index 36ce057..021d7b7 100644
--- a/spec/tests/test_03_commands.sh
+++ b/spec/tests/test_03_commands.sh
@@ -26,6 +26,14 @@ else
     fail "exec clone should include cd" "contains cd command" "$output" "command_line.md#clone"
 fi
 
+# Test: exec init outputs shell function (regression: re-sourcing .zshrc)
+output=$(try_run --path="$TEST_TRIES" exec init "$TEST_TRIES" 2>&1)
+if echo "$output" | grep -q "try()"; then
+    pass
+else
+    fail "exec init should output shell function" "contains 'try()'" "$output" "command_line.md#init"
+fi
+
 # Test: exec cd is equivalent to exec (default command)
 output1=$(try_run --path="$TEST_TRIES" --and-keys=$'\r' exec 2>/dev/null)
 output2=$(try_run --path="$TEST_TRIES" --and-keys=$'\r' exec cd 2>/dev/null)
diff --git a/try.rb b/try.rb
index d966f80..9b46547 100755
--- a/try.rb
+++ b/try.rb
@@ -1268,7 +1268,7 @@ def init_snippet(shell, script_path, explicit_path, default_path)
       fish_path_arg = explicit_path ? " --path '#{explicit_path}'" : " --path (if set -q TRY_PATH; echo \"$TRY_PATH\"; else; echo '#{default_path}'; end)"
       <<~FISH
         function try
-          set -l out (/usr/bin/env ruby '#{script_path}' exec#{fish_path_arg} $argv 2>/dev/tty | string collect)
+          set -l out ('#{script_path}' exec#{fish_path_arg} $argv 2>/dev/tty | string collect)
           if test $pipestatus[1] -eq 0
             eval $out
           else
@@ -1286,7 +1286,7 @@ def init_snippet(shell, script_path, explicit_path, default_path)
         function try {
           $tryPath = #{ps_path_expr}
           $tempErr = [System.IO.Path]::GetTempFileName()
-          $out = & ruby '#{script_path}' exec --path $tryPath @args 2>$tempErr
+          $out = & '#{script_path}' exec --path $tryPath @args 2>$tempErr
           if ($LASTEXITCODE -eq 0) {
             $out | Invoke-Expression
           } else {
@@ -1301,7 +1301,7 @@ def init_snippet(shell, script_path, explicit_path, default_path)
       <<~SH
         try() {
           local out
-          out=$(/usr/bin/env ruby '#{script_path}' exec#{path_arg} "$@" 2>/dev/tty)
+          out=$('#{script_path}' exec#{path_arg} "$@" 2>/dev/tty)
           if [ $? -eq 0 ]; then
             eval "$out"
           else
@@ -1541,6 +1541,9 @@ def worktree_path(tries_path, repo_dir, custom_name)
     when 'clone'
       ARGV.shift
       emit_script(cmd_clone!(ARGV, tries_path))
+    when 'init'
+      ARGV.shift
+      cmd_init!(ARGV, tries_path)
     when 'worktree'
       ARGV.shift
       repo = ARGV.shift