upgrade of viper and mapstructure libraries

[creativeprojects]

Upgrading the viper library comes with a new fork of mapstructure

[coderabbitai[bot]]

Walkthrough

The changes update the configuration system to use the github.com/go-viper/mapstructure/v2 package instead of github.com/mitchellh/mapstructure, and introduce explicit support for HCL encoding by registering an HCL codec with Viper. Dependency versions are updated accordingly, and unused indirect dependencies are removed.

Changes

File(s)	Change Summary
config/config.go	Switched to mapstructure/v2, registered HCL codec, and created a codec registry for Viper initialisation.
config/config_mixins.go config/config_v1.go config/profile.go	Updated import to use github.com/go-viper/mapstructure/v2 instead of github.com/mitchellh/mapstructure.
go.mod	Updated dependencies: replaced mapstructure with mapstructure/v2, added encoding/hcl, upgraded Viper, and removed several indirect dependencies.

Sequence Diagram(s)

sequenceDiagram
    participant Caller
    participant Config
    participant Viper
    participant CodecRegistry
    participant HCLCodec

    Caller->>Config: newConfig(format)
    Config->>CodecRegistry: Create registry
    Config->>HCLCodec: Register HCL codec in registry
    Config->>Viper: Initialise with key delimiter and codec registry
    Viper-->>Config: Viper instance ready (with HCL support)
    Config-->>Caller: Return Config instance

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📥 Commits

Reviewing files that changed from the base of the PR and between b3d9d7cc717501bebfdb9ffec90e88133d865669 and cdb0c02da767a5c28b94e1a3f7d2619cd2c0ad31.

📒 Files selected for processing (1)

• config/config.go (2 hunks)

🚧 Files skipped from review as they are similar to previous changes (1)

• config/config.go

⏰ Context from checks skipped due to timeout of 90000ms (1)

• GitHub Check: Analyze (go)

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[creativeprojects]

@jkellerer do you remember why we created this test? https://github.com/creativeprojects/resticprofile/actions/runs/15122540965/job/42507994888?pr=507#step:6:2194

The viper library started their own fork ofmapstructure and fixed some issues with it. This is technically a breaking change, but I'm not sure if anyone would rely on this strange behaviour?