1 files changed, 41 insertions, 0 deletions
diff --git a/maintainer_old/djwong-git b/maintainer_old/djwong-git
new file mode 100755
index 0000000..3f1d80c
--- /dev/null
+++ b/maintainer_old/djwong-git
@@ -0,0 +1,41 @@
+#!/bin/bash
+
+# Support routines for git commands
+
+commit_range_from_arg() {
+	local arg="$1"
+
+	if [ -z "${arg}" ]; then
+		# If we didn't get a commit range argument and this is a
+		# tracking branch, pick all the commits since this branch
+		# deviated.
+		base="$(git branch-remote 2>/dev/null)"
+		if [ -n "${base}" ]; then
+			echo "${base}..HEAD"
+			return 0
+		fi
+
+		return 1
+	fi
+
+	# If the argument already has a range in it, we're done.
+	if echo "${arg}" | grep -q '\.\.'; then
+		echo "${arg}"
+		return 0
+	fi
+
+
+	# If the argument is a tracking branch, pick all the commits since that
+	# branch deviated.
+	base="$(git branch-remote "${arg}" 2>/dev/null)"
+	if [ -n "${base}" ]; then
+		echo "${base}..${arg}"
+		return 0
+	fi
+
+	# If we didn't get something that looks like a range, only select one
+	# commit because git rev-list run against a non-range lists everything
+	# from whatever it finds all the way back to the beginning.
+	echo "${arg}^1..${arg}"
+	return 0
+}