From 271be3d0987a629a1734b03d35de12b141a429e9 Mon Sep 17 00:00:00 2001
From: Emily Frost <emfrost@posteo.net>
Date: Mon, 4 Feb 2019 21:27:41 -0600
Subject: [PATCH] Added apt-depend-check.

---
 apt-depend-check | 33 +++++++++++++++++++++++++++++++++
 1 file changed, 33 insertions(+)
 create mode 100755 apt-depend-check

diff --git a/apt-depend-check b/apt-depend-check
new file mode 100755
index 0000000..f406429
--- /dev/null
+++ b/apt-depend-check
@@ -0,0 +1,33 @@
+#!/bin/bash
+
+parent_package="$1"
+target_package="$2" # so far, this is unused
+
+function list_depends() {
+    package_name="$1"
+    prepend_string="$2"
+
+    if [[ "$prepend_string" == '' ]]; then
+        prepend_string="$package_name"
+    fi
+
+    depends_list="$(apt-cache depends "$package_name" | grep Depends | cut -d ' ' -f 4)"
+    if [[ $depends_list != '' ]]; then
+        for depend in $depends_list; do
+            if [[ "$depend" == "$target_package" ]]; then
+                echo "${prepend_string}>${depend}"
+                exit 0
+            fi
+        done
+        for depend in $depends_list; do
+            if ! echo "$prepend_string" | grep -q "$depend"; then
+                list_depends "$depend" "${prepend_string}>${depend}"
+            fi
+        done
+    fi
+}
+
+list_depends "$parent_package"
+
+# Output should look like this.
+# package_name->dep_name->dep2_name