daviddoji/DIY_GIT_in_Python
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Dereference refs when reading and writing

Browse Source
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
Download Patch File Download Diff File Expand all files Collapse all files

13
ugit/data.py
View File

@@ -18,6 +18,7 @@ RefValue = namedtuple("RefValue", ["symbolic", "value"])
def update_ref(ref, value): def update_ref(ref, value):
assert not value.symbolic assert not value.symbolic
ref = _get_ref_internal(ref)[0]
ref_path = f"{GIT_DIR}/{ref}" ref_path = f"{GIT_DIR}/{ref}"
Path.mkdir(ref_path, exist_ok=True) Path.mkdir(ref_path, exist_ok=True)
with open(ref_path, "w") as f: with open(ref_path, "w") as f:
@@ -25,16 +26,22 @@ def update_ref(ref, value):
def get_ref(ref): def get_ref(ref):
return _get_ref_internal(ref)[1]
def _get_ref_internal(ref):
ref_path = f"{GIT_DIR}/{ref}" ref_path = f"{GIT_DIR}/{ref}"
value = None value = None
if Path.is_file(ref_path): if Path.is_file(ref_path):
with open(ref_path) as f: with open(ref_path) as f:
value = f.read().strip() value = f.read().strip()
if value and value.startswith("ref:"): symbolic = bool(value) and value.startswith("ref")
return get_ref(value.split(":", 1)[1].strip()) 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(): def iter_refs():