1 files changed, 67 insertions, 0 deletions
diff --git a/timestamps b/timestamps
new file mode 100755
index 0000000..9c7b6fd
--- /dev/null
+++ b/timestamps
@@ -0,0 +1,67 @@
+#!/usr/bin/env python3
+
+
+import re
+import sys
+
+
+def getint(m, i):
+    return int(m.group(i))
+
+
+def parse_ts(ts):
+    m = re.match(r'(\d+)-(\d+)-(\d+) (\d+):(\d+):(\d+)', ts)
+    assert m is not None
+    year = getint(m, 1)
+    month = getint(m, 2)
+    day = getint(m, 3)
+    hour = getint(m, 4)
+    minute = getint(m, 5)
+    second = getint(m, 6)
+    return hour * 3600 + minute * 60 + second
+
+
+build_starts = re.compile(r'^Build starts at (?P<ts>.*)$')
+build_ends = re.compile(r'^Build ends at (?P<ts>.*),')
+action_starts = re.compile(r'^Action starts at (?P<ts>.*):$')
+action_ends = re.compile(r'^Action ends at (?P<ts>.*),')
+patterns = [
+    build_starts,
+    build_ends,
+    action_starts,
+    action_ends,
+]
+
+pairs = {
+    build_starts: build_ends,
+    build_ends: build_starts,
+    action_starts: action_ends,
+    action_ends: action_starts,
+}
+
+started = {
+    build_starts: None,
+    action_starts: None,
+}
+
+names = {
+    build_starts: 'Build',
+    action_starts: 'Action',
+}
+
+durations = []
+
+for line in sys.stdin:
+    for pat in patterns:
+        m = pat.match(line)
+        if m is None:
+            continue
+        ts = m.group('ts')
+
+        if pat in started:
+            started[pat] = parse_ts(ts)
+        else:
+            ended = parse_ts(ts)
+            start_pat = pairs[pat]
+            print(names[start_pat], ended - started[start_pat])
+        break