1 files changed, 50 insertions, 0 deletions
diff --git a/remote.inc.sh b/remote.inc.sh
new file mode 100644
index 0000000..b125419
--- /dev/null
+++ b/remote.inc.sh
@@ -0,0 +1,50 @@
+remote_get_all_refs() {
+  local remote=$1
+
+  mapfile -t "$2" < <(git ls-remote "$remote" 'refs/heads/packages/*' |
+      awk '{ sub(/refs\/heads\//, "", $2); print $2 }')
+}
+
+remote_has_package() {
+  local remote=$1 pkgname=$2
+
+  [[ $(git ls-remote "$remote" "$pkgname") ]]
+}
+
+remote_is_tracking() {
+  local repo=$1 pkgname=$2
+
+  git rev-parse "$repo/packages/$pkgname" &>/dev/null
+}
+
+remote_get_tracked_refs() {
+  local remote=$1
+
+  mapfile -t "$2" < <(git branch --remote 2>/dev/null |
+      awk -F'( +|/)' -v "remote=$1" \
+        '$2 == remote && $3 == "packages" { print "packages/" $4 }')
+}
+
+remote_update_refs() {
+  local remote=$1 refspecs=("${@:2}")
+
+  git fetch "$remote" "${refspecs[@]}"
+}
+
+remote_update() {
+  local remote=$1 refspecs
+
+  remote_get_tracked_refs "$remote" refspecs
+
+  # refuse to update everything
+  # TODO: allow this with a flag
+  [[ -z $refspecs ]] && return 0
+
+  remote_update_refs "$remote" "${refspecs[@]}"
+}
+
+remote_get_url() {
+  local remote=$1
+
+  git ls-remote --get-url "$remote"
+}