def load(cls, repo):
version = cls._getversion(repo)
if version < cls._version:
d = cls._readold(repo)
elif version == cls._version:
d = scmutil.simplekeyvaluefile(
repo.localvfs, cls._filename).read(firstlinenonkeyval=True)
else:
raise error.Abort(
_("this version of shelve is incompatible "
"with the version used in this repo"))
cls._verifyandtransform(d)
try:
obj = cls()
obj.name = d["name"]
obj.wctx = repo[d["originalwctx"]]
obj.pendingctx = repo[d["pendingctx"]]
obj.parents = d["parents"]
obj.nodestoremove = d["nodestoremove"]
obj.branchtorestore = d.get("branchtorestore", "")
obj.keep = d.get("keep") == cls._keep
obj.activebookmark = ""
if d.get("activebook", "") != cls._noactivebook:
obj.activebookmark = d.get("activebook", "")
obj.obsshelve = d["obsshelve"] == cls._obsbased
except (error.RepoLookupError, KeyError) as err:
raise error.CorruptedState(str(err))
return obj
def _verifyandtransform(cls, d):
"""Some basic shelvestate syntactic verification and transformation"""
try:
d["originalwctx"] = nodemod.bin(d["originalwctx"])
d["pendingctx"] = nodemod.bin(d["pendingctx"])
d["parents"] = cls._parsenodelist(d["parents"])
d["nodestoremove"] = cls._parsenodelist(d["nodestoremove"])
except (ValueError, TypeError, KeyError) as err:
raise error.CorruptedState(str(err))
def _getversion(cls, repo):
"""Read version information from shelvestate file"""
fp = repo.localvfs(cls._filename)
try:
version = int(fp.readline().strip())
except ValueError as err:
raise error.CorruptedState(str(err))
finally:
fp.close()
return version