fix: allow a --force option on rehash to remove .jenv-shim

libexec/jenv-rehash

@@ -1,6 +1,11 @@
 #!/usr/bin/env bash
 # Summary: Rehash jenv shims (run this after installing executables)
-       
+
+# Provide jenv completions
+if [ "$1" = "--complete" ]; then
+  echo --force
+  exit
+fi
                   
 set -e
 [ -n "$JENV_DEBUG" ] && set -x
@@ -11,6 +16,14 @@ PROTOTYPE_SHIM_PATH="${SHIM_PATH}/.jenv-shim"
 # Create the shims directory if it doesn't already exist.
 mkdir -p "$SHIM_PATH"
 
+remove_prototype_shim() {
+  rm -f "$PROTOTYPE_SHIM_PATH"
+}
+
+if [ "$1" = "--force" ]; then
+  remove_prototype_shim
+fi
+
 # Ensure only one instance of jenv-rehash is running at a time by
 # setting the shell's `noclobber` option and attempting to write to
 # the prototype shim file. If the file already exists, print a warning
@@ -18,7 +31,7 @@ mkdir -p "$SHIM_PATH"
 set -o noclobber
 { echo > "$PROTOTYPE_SHIM_PATH"
 } 2>/dev/null ||
-{ echo "jenv: cannot rehash: $PROTOTYPE_SHIM_PATH exists"
+{ echo "jenv: cannot rehash: $PROTOTYPE_SHIM_PATH exists, try 'jenv rehash --force' to override"
   exit 1
 } >&2
 set +o noclobber
@@ -27,10 +40,6 @@ set +o noclobber
 # prototype shim when the process exits.
 trap remove_prototype_shim EXIT
 
-remove_prototype_shim() {
-  rm -f "$PROTOTYPE_SHIM_PATH"
-}                               
-
 remove_from_path() {
   local path_to_remove="$(expand_path "$1")"
   local result=""

libexec/jenv-sh-rehash

@@ -9,7 +9,7 @@ fi
 
 # When jenv shell integration is enabled, delegate to jenv-rehash,
 # then tell the shell to empty its command lookup cache.
-jenv-rehash
+jenv-rehash "$@"
 
 case "$shell" in
 fish )