Add sync.sh which fetches all remote branches.

All remote branches of all git repositories in or under this directory are
fetched.

diff --git a/sync.sh b/sync.sh
new file mode 100755 (executable)
index 0000000..31084e5
--- /dev/null
+++ b/sync.sh
@@ -0,0 +1,21 @@
+#!/bin/sh
+
+# Fetches the current master from all remotes. Used to sync with all remote
+# hosts. No merging is done.
+
+
+# Fetch from each remote of each git subdirectory.
+for project in `find . -name .git -type d`; do
+    if [ -d "$project" ]; then
+        pwd=`pwd`
+        cd "$project"
+
+        # Fetch from all remotes.
+        for remote in `git remote`; do
+            echo "$project: fetching $remote ..."
+            git fetch "$remote"
+        done
+
+        cd "$pwd"
+    fi
+done