ipfs/kubo

`ipfs object patch update-link`

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#5886 opened on Jan 2, 2019

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Description

Version information:

go-ipfs version: 0.4.18- Repo version: 7 System version: amd64/linux Golang version: go1.11.1

Type:

enhancement

Description:

It would be convenient to have an object patch shorthand for add-and-replace:

ipfs object patch update-link <root> <from-ref> <to-ref>

Today, this is two separate commands:

ipfs object patch rm-link <root> <name>
ipfs object patch add-link <new-root> <name> <add-ref>

This already exists for pins: ipfs pin update <from-path> <to-path>.

Contributor guide

Tech stack
go
Domain
cli
Issue type
feature
DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.
2
Estimated timeA rough time range for an experienced contributor to investigate, implement, test, and prepare a pull request.
under 1 hour
Activity statusHow available the issue appears right now: fresh, active, stale, blocked, or waiting on maintainer input.
stale
ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.
clear
Prerequisites
ipfs basicsGo programmingknowledge of ipfs object commands
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
40
Research direction
The issue requests a new command `ipfs object patch update link` that combines `ipfs object patch rm link` and `ipfs object patch add link`. Look at the existing implementation of `ipfs object patch` commands in the codebase, likely in `core/commands/object/patch.go`. Also examine `ipfs pin update` for reference on how a similar update command was implemented. The new command should accept a root, from ref, and to ref, and sequentially remove the link with the given name and add a new link with the same name but different ref.