Port stub_repeated from ruby-build 784d7b7

Was initially added 784d7b7118ac31a2fffe4d7036b06d736dbb2468

binstub

@@ -1,13 +1,14 @@
 #!/usr/bin/env bash
 set -e
 
-status=0
+status=127
 program="${0##*/}"
 PROGRAM="$(echo "$program" | tr a-z- A-Z_)"
 
 _STUB_PLAN="${PROGRAM}_STUB_PLAN"
 _STUB_RUN="${PROGRAM}_STUB_RUN"
 _STUB_INDEX="${PROGRAM}_STUB_INDEX"
+_STUB_NOINDEX="${PROGRAM}_STUB_NOINDEX"
 _STUB_RESULT="${PROGRAM}_STUB_RESULT"
 _STUB_END="${PROGRAM}_STUB_END"
 _STUB_DEBUG="${PROGRAM}_STUB_DEBUG"
@@ -31,7 +32,7 @@ index=0
 while IFS= read -r line; do
   index=$(($index + 1))
 
-  if [ -z "${!_STUB_END}" ] && [ $index -eq "${!_STUB_INDEX}" ]; then
+  if [[ -z "${!_STUB_END}" && -n "${!_STUB_NOINDEX}" || $index -eq "${!_STUB_INDEX}" ]]; then
     # We found the plan line we're interested in.
     # Start off by assuming success.
     result=0
@@ -71,7 +72,8 @@ while IFS= read -r line; do
       ( eval "$command" )
       status="$?"
       set -e
-    else
+      [ -z "${!_STUB_NOINDEX}" ] || break
+    elif [ -z "${!_STUB_NOINDEX}" ]; then
       eval "${_STUB_RESULT}"=1
     fi
   fi
@@ -94,7 +96,7 @@ if [ -n "${!_STUB_END}" ]; then
 else
   # If the requested index is larger than the number
   # of lines in the plan file, we failed.
-  if [ "${!_STUB_INDEX}" -gt $index ]; then
+  if [[ -z "${!_STUB_NOINDEX}" && "${!_STUB_INDEX}" -gt $index ]]; then
     eval "${_STUB_RESULT}"=1
   fi
 

stub.bash

@@ -22,6 +22,14 @@ stub() {
   for arg in "$@"; do printf "%s\n" "$arg" >> "${BATS_MOCK_TMPDIR}/${program}-stub-plan"; done
 }
 
+stub_repeated() {
+  local program="$1"
+  # shellcheck disable=SC2155
+  local prefix="$(echo "$program" | tr a-z- A-Z_)"
+  export "${prefix}_STUB_NOINDEX"=1
+  stub "$@"
+}
+
 unstub() {
   local program="$1"
   local prefix