base.bbclass: packages pulling a mercurial tree should depend on mercurial

As we don't provide a mercurial-native package (yet) let's assume the
build machine has it installed and check (sanity.bbclass) if it's the
case.

Signed-off-by: Damien Lespiau <damien.lespiau@intel.com>

1 files changed, 7 insertions, 0 deletions

diff --git a/meta/classes/base.bbclass b/meta/classes/base.bbclass
index 4f1e2dd788..4f57c3ff4d 100644
--- a/meta/classes/base.bbclass
+++ b/meta/classes/base.bbclass
@@ -1008,6 +1008,13 @@ def base_after_parse(d):
         depends = depends + " git-native:do_populate_staging"
         bb.data.setVarFlag('do_fetch', 'depends', depends, d)
 
+    # Mercurial packages should DEPEND on mercurial-native
+    srcuri = bb.data.getVar('SRC_URI', d, 1)
+    if "hg://" in srcuri:
+        depends = bb.data.getVarFlag('do_fetch', 'depends', d) or ""
+        depends = depends + " mercurial-native:do_populate_staging"
+        bb.data.setVarFlag('do_fetch', 'depends', depends, d)
+
     # OSC packages should DEPEND on osc-native
     srcuri = bb.data.getVar('SRC_URI', d, 1)
     if "osc://" in srcuri: