Update alpine image occasionally

1 files changed, 16 insertions, 1 deletions

diff --git a/.bashrc_local_home b/.bashrc_local_home
index cafa8fb..073cb41 100644
--- a/.bashrc_local_home
+++ b/.bashrc_local_home
@@ -14,11 +14,26 @@ export -f mutt
 
 function alpine-build
 {
+    local image_name="alpine:edge"
+    local update_file="$HOME/.cache/alpine-build-pull"
+
+    # Pull image if no image update timestamp file
+    if [ ! -f "$update_file" ]; then
+        touch "$update_file"
+        docker pull "$image_name"
+    fi
+
+    # Pull image if we haven't pulled it in at least 3 days
+    if [ $(( $(date +%s) - $(stat -c "%Y" "$update_file") )) -gt 259200 ]; then
+        touch "$update_file"
+        docker pull "$image_name"
+    fi
+
     docker run -ti --rm --detach-keys=ctrl-@ \
         -v $HOME/bin:/opt/home-bin:ro \
         -v $HOME/.abuild:/abuild-keys:ro \
         -v $HOME/repos/third_party/aports:/aports \
-        alpine:latest /opt/home-bin/aport-bootstrap.sh
+        "$image_name" /opt/home-bin/aport-bootstrap.sh
 }
 export -f alpine-build