1 files changed, 42 insertions, 0 deletions
diff --git a/gfx/angle/src/commit_id.py b/gfx/angle/src/commit_id.py
new file mode 100755
index 000000000..bbdb810ce
--- /dev/null
+++ b/gfx/angle/src/commit_id.py
@@ -0,0 +1,42 @@
+import subprocess as sp
+import sys
+import os
+
+usage = """\
+Usage: commit_id.py check <angle_dir>                - check if git is present
+       commit_id.py gen <angle_dir> <file_to_write>  - generate commit.h"""
+
+def grab_output(command, cwd):
+    return sp.Popen(command, stdout=sp.PIPE, shell=True, cwd=cwd).communicate()[0].strip()
+
+if len(sys.argv) < 3:
+    sys.exit(usage)
+
+operation = sys.argv[1]
+cwd = sys.argv[2]
+
+if operation == 'check':
+    index_path = os.path.join(cwd, '.git', 'index')
+    if os.path.exists(index_path):
+        print("1")
+    else:
+        print("0")
+    sys.exit(0)
+
+output_file = sys.argv[3]
+commit_id_size = 12
+
+try:
+    commit_id = grab_output('git rev-parse --short=%d HEAD' % commit_id_size, cwd)
+    commit_date = grab_output('git show -s --format=%ci HEAD', cwd)
+except:
+    commit_id = 'invalid-hash'
+    commit_date = 'invalid-date'
+
+hfile = open(output_file, 'w')
+
+hfile.write('#define ANGLE_COMMIT_HASH "%s"\n'    % commit_id)
+hfile.write('#define ANGLE_COMMIT_HASH_SIZE %d\n' % commit_id_size)
+hfile.write('#define ANGLE_COMMIT_DATE "%s"\n'    % commit_date)
+
+hfile.close()