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Dereference refs when reading and writing

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This commit is contained in:
David Doblas Jiménez 2024-06-29 18:48:21 +02:00
parent 30ce8c84e4
commit 9c53919802
1 changed files with 10 additions and 3 deletions
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13
ugit/data.py
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@ -18,6 +18,7 @@ RefValue = namedtuple("RefValue", ["symbolic", "value"])
def update_ref(ref, value):
assert not value.symbolic
ref = _get_ref_internal(ref)[0]
ref_path = f"{GIT_DIR}/{ref}"
Path.mkdir(ref_path, exist_ok=True)
with open(ref_path, "w") as f:
@ -25,16 +26,22 @@ def update_ref(ref, value):
def get_ref(ref):
return _get_ref_internal(ref)[1]
def _get_ref_internal(ref):
ref_path = f"{GIT_DIR}/{ref}"
value = None
if Path.is_file(ref_path):
with open(ref_path) as f:
value = f.read().strip()
if value and value.startswith("ref:"):
return get_ref(value.split(":", 1)[1].strip())
symbolic = bool(value) and value.startswith("ref")
if symbolic:
value = value.split(":", 1)[1].strip()
return _get_ref_internal(value)
return RefValue(symbolic=False, value=value)
return ref, RefValue(symbolic=False, value=value)
def iter_refs():