From 96d10a665b90a0ca0419cc4e074aa55aac4a54e2 Mon Sep 17 00:00:00 2001
From: Daniel Narvaez <dwnarvaez@gmail.com>
Date: Mon, 03 Dec 2012 19:30:41 +0000
Subject: Use progressive logs numbering

---
(limited to 'devbot')

diff --git a/devbot/build.py b/devbot/build.py
index 98cf368..91397e6 100644
--- a/devbot/build.py
+++ b/devbot/build.py
@@ -3,7 +3,6 @@ import os
 import multiprocessing
 import shutil
 import subprocess
-import time
 
 from devbot import command
 from devbot import config
@@ -64,8 +63,7 @@ def build():
         state.remove_built_commit_id(module)
 
     for module in modules:
-        log = "build-%s" % time.strftime("%Y%m%d-%H%M%S")
-        if not _build_module(module, log):
+        if not _build_module(module, config.get_log_path("build")):
             return False
 
     return True
diff --git a/devbot/config.py b/devbot/config.py
index 284e9a8..9cce430 100644
--- a/devbot/config.py
+++ b/devbot/config.py
@@ -202,6 +202,21 @@ def _save_prefs(prefs):
         for pref in prefs.items():
             f.write("%s\n" % "=".join(pref))
 
+def get_log_path(prefix):
+    logfile_path = None
+    number = 0
+
+    while logfile_path is None:
+        name = "%s-%d.log" % (prefix, number)
+        path = os.path.join(logs_dir, name)
+
+        if not os.path.exists(path):
+            logfile_path = path
+
+        number = number + 1
+
+    return logfile_path
+
 def get_pref(name):
     prefs = _read_prefs()
     return prefs.get(name, None)
diff --git a/devbot/run.py b/devbot/run.py
index 8733c10..930cd42 100644
--- a/devbot/run.py
+++ b/devbot/run.py
@@ -62,18 +62,28 @@ def run_test(command, test_path, virtual=False):
 
     return result
 
-def merge_logs(logs_path, log_name):
+def collect_logs(source_path, log_name):
     logs = {}
-    for filename in os.listdir(logs_path):
+    for filename in os.listdir(source_path):
         if filename.endswith(".log"):
-            path = os.path.join(logs_path, filename)
+            path = os.path.join(source_path, filename)
             with open(path) as f:
                 logs[filename] = f.read()
 
-    with open(os.path.join(config.logs_dir, log_name), "w") as f:
+    log_path = config.get_log_path(log_name)
+    with open(log_path, "w") as f:
         for filename, log in logs.items():
             f.write("===== %s =====\n\n%s" % (filename, log))
 
+    last_log_path = os.path.join(config.logs_dir, "%s.log" % log_name)
+
+    try:
+        os.unlink(last_log_path)
+    except OSError:
+        pass
+
+    os.symlink(log_path, last_log_path)
+
 def _get_random_id():
     return ''.join(random.choice(string.letters) for i in xrange(8))
 
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