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This file contains class to wrap the state for commands and other
related logic.
All the data related to the command state is stored as dictionary in the object.
The class has methods using which the data can be stored to disk in a file under
.hg/ directory.
We store the data on disk in cbor, for which we use the CBOR format to encode
the data.
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� Z dS )�cmdstatea� a wrapper class to store the state of commands like `rebase`, `graft`,
`histedit`, `shelve` etc. Extensions can also use this to write state files.
All the data for the state is stored in the form of key-value pairs in a
dictionary.
The class object can write all the data to a file in .hg/ directory and
can populate the object data reading that file.
Uses cbor to serialize and deserialize data while writing and reading from
disk.
c C s || _ || _dS )zorepo is the repo object
fname is the file name in which data should be stored in .hg directory
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� r �5/usr/lib64/python3.9/site-packages/mercurial/state.py�__init__9 s zcmdstate.__init__c C s | � � S )z=read the existing state file and return a dict of data stored)�_read�r r r r �read@ s z
cmdstate.readc C st t |t�st�d��| jj| jddd��8}|�d| � t� |�D ]}|�|� qBW d � n1 sf0 Y dS )z�write all the state data stored to .hg/<filename> file
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� Z dS )�_statecheckac a utility class that deals with multistep operations like graft,
histedit, bisect, update etc and check whether such commands
are in an unfinished conditition or not and return appropriate message
and hint.
It also has the ability to register and determine the states of any new
multistep operation or multistep command extension.
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