Ported in the homebrew-marauder for a hacky update/import system.

	TODO: Maybe add a license & fix up messy code.

1 files changed, 40 insertions, 0 deletions

diff --git a/util/.marauder/marauder/version.py b/util/.marauder/marauder/version.py
new file mode 100644
index 000000000..6ad09d9fe
--- /dev/null
+++ b/util/.marauder/marauder/version.py
@@ -0,0 +1,40 @@
+import os
+from io import BytesIO
+import re
+from urllib.request import urlopen
+import sys
+
+default = re.compile(r'(?:([0-9]+(?:[.-_][0-9]+)+))')  # Version()
+
+""" Takes URL string and guesses version """
+def version(url):
+    filename = os.path.basename(url)
+    version = default.findall(filename)
+    if not version:
+        x = os.path.basename(os.path.dirname(url))
+        version = default.findall(x)  # Go up one directory and try that.
+        if version:
+            return version[0]
+        version = re.findall(r'\S*?(:?[0-9-]+)', filename)  # v40 or program-83 for example.
+        if version:
+            return version[0]
+        if url.endswith(".git"):
+            return None  # FIXME: this is too slow.
+            # print(f"Finding version for {url}", file=sys.stderr)
+            latest_release = os.popen(
+                f"git ls-remote --tags {url} 2>/dev/null | sort -Vk2 | awk 'END{{ print $2 }}' | grep -oE '[0-9]+(\\.[0-9]+)+'"
+            ).read().strip()
+            latest_commit = os.popen(
+                f"git ls-remote --tags {url} 2>/dev/null | sort -Vk2 | awk 'END{{ print $1 }}'"
+            ).read().strip()
+            if latest_release and latest_commit:
+                version = f"{latest_release}-git-{latest_commit[:8]}"
+            elif latest_commit:
+                version = f"1.0-git-{latest_commit[:8]}"
+            else:
+                return None
+            return version
+
+        if not version:  # If still no result.
+            return None
+    return version[0]