From 4d8d41e8a0a557f560f078e129504c9da366386c Mon Sep 17 00:00:00 2001
From: Dict Xiong <me@beardic.cn>
Date: Sun, 13 Nov 2022 02:05:59 +0800
Subject: [PATCH] dogo: enhance, support -[0-9]*

---
 scripts/dogo | 16 ++++++++++++++--
 1 file changed, 14 insertions(+), 2 deletions(-)

diff --git a/scripts/dogo b/scripts/dogo
index f79d412..77a5e19 100755
--- a/scripts/dogo
+++ b/scripts/dogo
@@ -3,8 +3,20 @@
 THIS_DIR=$( cd "$( dirname "${BASH_SOURCE[0]:-${(%):-%x}}" )" && pwd )
 source "$THIS_DIR/../tools/common.sh"
 
+
 if [[ -z "$1" || "$1" =~ ^(-h|--help)$ ]]; then
-    fmt_info "usage: $0 <container>"
+    fmt_info "usage: $0 <container> or -[0-9]*"
+    exit
+elif [[ "$1" =~ ^-[0-9]*$ ]]; then
+    LAST="${1:1}"
+    CONTAINER=$(docker container ls -qn ${LAST:-1} | tail -n 1)
 else
-    $SUDO docker exec -it $1 sh -c 'if [ -x "$(command -v zsh)" ]; then zsh; elif [ -x "$(command -v bash)" ]; then echo "-->bash"; bash; else echo "-->sh"; sh; fi'
+    CONTAINER="$1"
+fi
+
+if [[ -z "$CONTAINER" ]]; then
+    fmt_error "container not found"
+else
+    echo "--> $CONTAINER"
+    $SUDO docker exec -it $CONTAINER sh -c 'if [ -x "$(command -v zsh)" ]; then echo "--> zsh"; zsh; elif [ -x "$(command -v bash)" ]; then echo "--> bash"; bash; else echo "--> sh"; sh; fi'
 fi