From e0670762e4d62d0e17375c9e62ac184648125e38 Mon Sep 17 00:00:00 2001
From: tdro <tdro@users.noreply.github.com>
Date: Thu, 10 Mar 2022 12:08:36 -0500
Subject: .bashrc: Simplify docker rootfs helper

---
 .bashrc | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

(limited to '.bashrc')

diff --git a/.bashrc b/.bashrc
index a50f88d..07b9644 100644
--- a/.bashrc
+++ b/.bashrc
@@ -123,7 +123,10 @@ lxc-destroy() { for container in "$@"; do $(type -P lxc-destroy) --name "$contai
 history-remove-duplicates() { awk '!visited[$0]++' "$HOME/.bash_history" | sponge "$HOME/.bash_history"; }
 
 # extract docker container as rootfs
-docker-rootfs() { id=$(docker run -d "$1" /bin/true) && docker export "$id" -o "$2.tar" && docker container rm "$id"; }
+docker-rootfs() { id=$(docker run --detach "$1" /bin/true) \
+  && docker export "$id" --output "rootfs.tar" \
+  && docker container rm "$id" \
+  && ls -l rootfs.tar; }
 
 # https://til.simonwillison.net/bash/escaping-a-string
 # press ctrl+d after writing string to standard input
-- 
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