feat: install rsync

https://blog.zespre.com/dind-mtu-size-matters.html

.drone.yml

@@ -30,6 +30,11 @@ services:
     volumes:
       - name: dockersock
         path: /var/run
+    command:
+    - dockerd-entrypoint.sh
+    - dockerd
+    - --host=unix:///var/run/docker.sock
+    - --mtu=1492
 
 volumes:
   - name: dockersock
@@ -68,6 +73,11 @@ services:
     volumes:
       - name: dockersock
         path: /var/run
+    command:
+    - dockerd-entrypoint.sh
+    - dockerd
+    - --host=unix:///var/run/docker.sock
+    - --mtu=1492
 
 volumes:
   - name: dockersock

Dockerfile

@@ -12,6 +12,12 @@ RUN set -eux && \
         net-tools \
         screen \
         vim \
+        git \
+        man \
+        less \
+        bind9-dnsutils \
+        unzip \
+        rsync \
     && \
     rm -rf /var/lib/apt/lists/* && \
     rm /etc/ssh/ssh_host_*key* && \

rebuild.sh

@@ -1,8 +1,10 @@
 #!/bin/sh
 
+set -x
+
 updates_available () {
     docker pull "$1"
-    if test "$(docker run -it --rm "$1" /bin/sh -c 'apt -qqq update && apt -qq list --upgradable')" != ""; then
+    if test "$(docker run --rm "$1" /bin/sh -c 'apt -qqq update && apt -qq list --upgradable')" != ""; then
         return 0
     else
         return 1