diff --git a/alpine_chroot b/alpine_chroot
new file mode 100755
index 00000000..f94829ed
--- /dev/null
+++ b/alpine_chroot
@@ -0,0 +1,52 @@
+#!/bin/sh -e
+#
+# Setup an alpine chroot.
+
+chroot_dir=~/alpine-chroot
+mirror=http://dl-cdn.alpinelinux.org/alpine/
+file=apk-tools-static-2.10.3-r1.apk
+
+clean() {
+    umount "$chroot_dir/dev"  ||:
+    umount "$chroot_dir/proc" ||:
+    umount "$chroot_dir/sys"  ||:
+
+    rm -rf "$chroot_dir" "/tmp/${file:-null}"
+}
+
+main() {
+    [ "$(id -u)" != 0 ] && {
+        echo "Run this script with sudo." >&2
+        exit 1
+    }
+
+    clean
+
+    mkdir -p "/tmp/$file"
+    cd "/tmp/$file"
+
+    wget "$mirror/latest-stable/main/x86_64/$file"
+    tar xzf "$file"
+
+    ./sbin/apk.static \
+        -X "$mirror/latest-stable/main" \
+        -U \
+        --allow-untrusted \
+        --root "$chroot_dir" \
+        --initdb add alpine-base alpine-sdk ||:
+
+    cp -f /etc/resolv.conf "$chroot_dir/etc"
+
+    mkdir -p "$chroot_dir/etc/apk"
+    echo "$mirror/edge/main" > "$chroot_dir/etc/apk/repositories"
+
+    mount -o bind /dev "$chroot_dir/dev"
+    mount -t proc proc "$chroot_dir/proc"
+    mount -t sysfs sys "$chroot_dir/sys"
+
+    trap clean EXIT INT
+
+    chroot "$chroot_dir" /bin/sh
+}
+
+main
diff --git a/puke b/puke
index 5bf2316d..0b617317 100755
--- a/puke
+++ b/puke
@@ -94,7 +94,7 @@ pkg_tar() {
 }
 
 pkg_install() {
-    [ -f "$bin_dir/$pkg" ] || die "Package must be built first."
+    [ -f "$bin_dir/$pkg" ] || args b "$name"
 
     pkg_remove "$name"
     tar pxvf "$bin_dir/$pkg" -k -C "$sys_dir/" 2>/dev/null
@@ -162,7 +162,7 @@ args() {
         *)  log "$0 [b|c|i|l|r|u] [pkg]" \
                 "build:     Build a package." \
                 "checksum:  Generate checksums." \
-                "install:   Install a package." \
+                "install:   Install a package (Runs build when needed)." \
                 "list:      List packages." \
                 "remove:    Remove a package." \
                 "update:    Check for updates."