diff --git a/developer/bin/list_apps_in_pkg b/developer/bin/list_apps_in_pkg
index 4d5ece1f73..667da5b826 100755
--- a/developer/bin/list_apps_in_pkg
+++ b/developer/bin/list_apps_in_pkg
@@ -17,7 +17,7 @@ shopt -s nocasematch  # case-insensitive regular expressions
 
 opt_lax=''
 opt_pkg=''
-tmpdir=''
+pkgdir=''
 
 ###
 ### functions
@@ -37,24 +37,24 @@ die () {
 }
 
 app_source_1 () {
-    /usr/bin/find "$tmpdir" -name PackageInfo -print0 |   \
+    /usr/bin/find "$pkgdir" -name PackageInfo -print0 |   \
     /usr/bin/xargs -0 /usr/bin/perl -0777 -ne             \
       'while (m{<pkg-info[^\n]*install-location="/Applications".*?path\s*=\s*"([^"]+)"}sg) { my $p = $1; $p =~ s{\A.*/}{}; print "$p\n" }';
 }
 
 app_source_2 () {
-    /usr/bin/find "$tmpdir" -name PackageInfo -print0  |  \
+    /usr/bin/find "$pkgdir" -name PackageInfo -print0  |  \
     /usr/bin/xargs -0 /usr/bin/perl -0777 -ne             \
       'while (m{<pkg-info[^\n]*install-location="/".*?path\s*=\s*"./Applications/([^"]+)"}sg) { my $p = $1; $p =~ s{\A.*/}{}; print "$p\n" }';
 }
 
 app_source_3 () {
-    /usr/bin/find "$tmpdir" -type d -name '*.app' |       \
+    /usr/bin/find "$pkgdir" -type d -name '*.app' |       \
     perl -pe 's{\A.*/}{}';
 }
 
 app_source_4 () {
-    /usr/bin/find "$tmpdir" -name PackageInfo -print0  |  \
+    /usr/bin/find "$pkgdir" -name PackageInfo -print0  |  \
     /usr/bin/xargs -0 /usr/bin/perl -0777 -ne             \
       'while (m{path\s*=\s*"([^"]+\.app)"}sg) { my $p = $1; $p =~ s{\A.*/}{}; print "$p\n" }';
 }
@@ -122,10 +122,14 @@ See CONTRIBUTING.md and 'man pkgutil' for more information.
 
 _list_apps_in_pkg () {
 
-    tmpdir=`/usr/bin/mktemp -d -t list_apps_in_pkg`
-    trap "/bin/rm -rf '$tmpdir'" EXIT
-
-    /usr/sbin/pkgutil --expand "$opt_pkg" "$tmpdir/unpack"
+    if [[ -d "$opt_pkg" ]]; then
+        pkgdir="$opt_pkg"
+    else
+        local tmpdir=`/usr/bin/mktemp -d -t list_ids_in_pkg`
+        trap "/bin/rm -rf -- '$tmpdir'" EXIT
+        pkgdir="$tmpdir/unpack"
+        /usr/sbin/pkgutil --expand "$opt_pkg" "$tmpdir/unpack" "$pkgdir"
+    fi
 
     {
       # strings that look like App names (Something.app)
diff --git a/developer/bin/list_ids_in_pkg b/developer/bin/list_ids_in_pkg
index 5da3a7fee7..3fc66c6581 100755
--- a/developer/bin/list_ids_in_pkg
+++ b/developer/bin/list_ids_in_pkg
@@ -15,14 +15,14 @@ shopt -s nocasematch  # case-insensitive regular expressions
 ### global variables
 ###
 
-tmpdir=''
+pkgdir=''
 
 ###
 ### functions
 ###
 
 bundle_id_source_1 () {
-    /usr/bin/find "$tmpdir" -name PackageInfo -print0 |                                \
+    /usr/bin/find "$pkgdir" -name PackageInfo -print0 |                                \
     /usr/bin/xargs -0 /usr/bin/perl -0777 -ne                                          \
       'while (m{<pkg-info.*?\sid(?:entifier)?\s*=\s*"([^"]*?)"}sg) { print "$1\n" }'
 }
@@ -48,10 +48,14 @@ mark_up_sources () {
 
 _list_ids_in_pkg () {
 
-    tmpdir=`/usr/bin/mktemp -d -t list_ids_in_pkg`
-    trap "/bin/rm -rf -- '$tmpdir'" EXIT
-
-    /usr/sbin/pkgutil --expand "$1" "$tmpdir/unpack"
+    if [[ -d "$1" ]]; then
+        pkgdir="$1"
+    else
+        local tmpdir=`/usr/bin/mktemp -d -t list_ids_in_pkg`
+        trap "/bin/rm -rf -- '$tmpdir'" EXIT
+        pkgdir="$tmpdir/unpack"
+        /usr/sbin/pkgutil --expand "$1" "$tmpdir/unpack" "$pkgdir"
+    fi
 
     {
       # emit strings that look like bundle ids