Initial community commit

Src/external_dependencies/openmpt-trunk/include/premake/scripts/changes.lua

@@ -0,0 +1,69 @@
+---
+-- Output a list of merged PRs since last release in the CHANGES.txt format.
+---
+
+local usage = "Usage: premake5 --file=scripts/changes.lua --since=<rev> changes"
+
+local sinceRev = _OPTIONS["since"]
+
+if not sinceRev then
+	print(usage)
+	error("Missing `--since`", 0)
+end
+
+
+local function parsePullRequestId(line)
+	return line:match("#%d+%s")
+end
+
+local function parseTitle(line)
+	return line:match("||(.+)")
+end
+
+local function parseAuthor(line)
+	return line:match("%s([^%s]-)/")
+end
+
+local function parseLog(line)
+	local pr = parsePullRequestId(line)
+	local title = parseTitle(line)
+	local author = parseAuthor(line)
+	return string.format("* PR %s %s (@%s)", pr, title, author)
+end
+
+
+local function gatherChanges()
+	local cmd = string.format('git log HEAD "^%s" --merges --first-parent --format="%%s||%%b"', _OPTIONS["since"])
+	local output = os.outputof(cmd)
+
+	changes = {}
+
+	for line in output:gmatch("[^\r\n]+") do
+		table.insert(changes, parseLog(line))
+	end
+
+	return changes
+end
+
+
+local function generateChanges()
+	local changes = gatherChanges()
+	table.sort(changes)
+	for i = 1, #changes do
+		print(changes[i])
+	end
+end
+
+
+newaction {
+	trigger = "changes",
+	description = "Generate list of git merges in CHANGES.txt format",
+	execute = generateChanges
+}
+
+newoption {
+	trigger = "since",
+	value = "revision",
+	description = "Log merges since this revision"
+}
+