Merge #17330: test: Add shrinkdebugfile=0 to regtest bitcoin.conf

c5377ff [qa] Add shrinkdebugfile=0 to regtest bitcoin.conf (Suhas Daftuar)

Pull request description:

  This helps avoid accidentally truncating the debug.log while manually
  debugging.

ACKs for top commit:
  MarcoFalke:
    ACK c5377ff
  dongcarl:
    ACK c5377ff

Tree-SHA512: a05d6a7c494ee2c300fa1a9dbaa48b7fed63a44b1fa823198cbf401cff1c4aa8e44eb431fa635b27a1987d0eb1a5f8e2712514dcea7c5dd05240a445c8bd505d

Author: MarcoFalke

test/functional/test_framework/util.py

@@ -316,6 +316,7 @@ def initialize_datadir(dirname, n, chain):
         f.write("listenonion=0\n")
         f.write("printtoconsole=0\n")
         f.write("upnp=0\n")
+        f.write("shrinkdebugfile=0\n")
         os.makedirs(os.path.join(datadir, 'stderr'), exist_ok=True)
         os.makedirs(os.path.join(datadir, 'stdout'), exist_ok=True)
     return datadir