phase1: add support for overriding feeds host

docker/config.ini

@@ -10,6 +10,7 @@ status_password = admin
 buildbot_url = http://buildmaster-phase1:8010/
 expire = 1209600
 port = ssl:9989:privateKey=/certs/master.key:certKey=/certs/master.crt
+feeds_host_override = github.com/openwrt
 config_seed = # Seed configuration
 	CONFIG_BUILDBOT=y
 	CONFIG_DEVEL=y

phase1/config.ini.example

@@ -9,6 +9,7 @@ status_bind = tcp:8010:interface=127.0.0.1
 status_user = example
 status_password = example
 port = 9989
+feeds_host_override =
 
 [irc]
 host = irc.freenode.net

phase1/master.cfg

@@ -107,6 +107,7 @@ def ini_parse_branch(section):
 
 # PB port can be either a numeric port or a connection string
 pb_port = inip1.get("port") or 9989
+feeds_host_override = inip1.get("feeds_host_override", "").strip()
 
 # This is the dictionary that the buildmaster pays attention to. We also use
 # a shorter alias to save typing.
@@ -609,6 +610,15 @@ def IsRemoteShaSumsAvailable(step):
     return step.getProperty("have_remote_shasums")
 
 
+def IsFeedsHostOverrideEnabled(step):
+    return bool(feeds_host_override)
+
+
+@util.renderer
+def GetFeedsHostOverride(props):
+    return feeds_host_override
+
+
 def GetBaseVersion(branch):
     if re.match(r"^[^-]+-[0-9]+\.[0-9]+$", branch):
         return branch.split("-")[1]
@@ -986,6 +996,37 @@ def prepareFactory(target):
         )
     )
 
+    factory.addStep(
+        ShellCommand(
+            name="feeds-backup",
+            description="Backing up feeds.conf.default",
+            descriptionDone="feeds.conf.default backed up",
+            command=["cp", "-p", "feeds.conf.default", "feeds.conf.default.bak"],
+            doStepIf=IsFeedsHostOverrideEnabled,
+            haltOnFailure=True,
+        )
+    )
+
+    factory.addStep(
+        ShellCommand(
+            name="feeds-override",
+            description="Overriding feeds host",
+            descriptionDone="Feeds host overridden",
+            command=[
+                "sed",
+                "-i",
+                "-E",
+                Interpolate(
+                    "s;git.openwrt.org/(feed|project);%(kw:host)s;",
+                    host=GetFeedsHostOverride,
+                ),
+                "feeds.conf.default",
+            ],
+            doStepIf=IsFeedsHostOverrideEnabled,
+            haltOnFailure=True,
+        )
+    )
+
     # feed
     factory.addStep(
         ShellCommand(
@@ -998,6 +1039,17 @@ def prepareFactory(target):
         )
     )
 
+    factory.addStep(
+        ShellCommand(
+            name="feeds-restore",
+            description="Restoring feeds.conf.default",
+            descriptionDone="feeds.conf.default restored",
+            command="test -f feeds.conf.default.bak && mv -f feeds.conf.default.bak feeds.conf.default || true",
+            doStepIf=IsFeedsHostOverrideEnabled,
+            haltOnFailure=True,
+        )
+    )
+
     # feed
     factory.addStep(
         ShellCommand(