1 files changed, 44 insertions, 0 deletions
diff --git a/extra/git-pre-push.sh b/extra/git-pre-push.sh
new file mode 100755
index 0000000..52d990e
--- /dev/null
+++ b/extra/git-pre-push.sh
@@ -0,0 +1,44 @@
+#!/bin/sh -e
+
+# Pre-push hook for triggering bash-completion Docker Hub test image
+# builds at https://hub.docker.com/r/vskytta/bash-completion/
+#
+# To enable: ln -s ../../extra/git-pre-push.sh .git/hooks/pre-push
+#
+# The bash-completion.docker-hub-trigger-url config option must be set to
+# the full Docker Hub build trigger URL to hit.
+
+url=$(git config bash-completion.docker-hub-trigger-url) || exit 0
+
+branch=master
+files="test/test-cmd-list\.txt"
+
+trigger=false
+z40=0000000000000000000000000000000000000000
+
+while read local_ref local_sha remote_ref remote_sha; do
+    case $remote_ref in */$branch) ;; *) continue ;; esac
+    [ $local_sha != $z40 ] || continue # delete not handled (yet?)
+    if [ $remote_sha = $z40 ]; then
+        list_files="git ls-tree -r --name-only $local_sha"
+    else
+        list_files="git diff --name-only $remote_sha..$local_sha"
+    fi
+    ! $list_files | grep -qEx $files || {
+        trigger=true
+        break
+    }
+done
+
+if $trigger; then
+    cat <<EOF | at -M now
+        sleep 15
+        curl \
+             --silent --show-error \
+             --max-time 30 \
+             --header Content-Type:application/json \
+             --data '{"build":true}' \
+             $url 2>&1 \
+        | logger -e --tag bash-completion-pre-push
+EOF
+fi