1 files changed, 29 insertions, 0 deletions
diff --git a/meson/test cases/common/65 build always/version_gen.py b/meson/test cases/common/65 build always/version_gen.py
new file mode 100755
index 000000000..fbe2df93f
--- /dev/null
+++ b/meson/test cases/common/65 build always/version_gen.py
@@ -0,0 +1,29 @@
+#!/usr/bin/env python3
+
+import sys, os, subprocess
+
+def generate(infile, outfile, fallback):
+    workdir = os.path.split(infile)[0]
+    if workdir == '':
+        workdir = '.'
+    try:
+        version = subprocess.check_output(['git', 'describe'], cwd=workdir).decode().strip()
+    except (subprocess.CalledProcessError, OSError, UnicodeDecodeError):
+        version = fallback
+    with open(infile) as f:
+        newdata = f.read().replace('@VERSION@', version)
+    try:
+        with open(outfile) as f:
+            olddata = f.read()
+        if olddata == newdata:
+            return
+    except OSError:
+        pass
+    with open(outfile, 'w') as f:
+        f.write(newdata)
+
+if __name__ == '__main__':
+    infile = sys.argv[1]
+    outfile = sys.argv[2]
+    fallback = sys.argv[3]
+    generate(infile, outfile, fallback)