go-mod:tldr:c810b
The command go mod verify
is used in Go programming language to verify the integrity of the dependencies downloaded into the module's cache.
When you build a Go application or use Go modules, the dependencies needed by the project are downloaded and stored in the local module cache. This cache resides in the go
directory inside your GOPATH
. It is important to ensure that the downloaded module versions have not been modified or tampered with, as it can introduce security risks or unintended behavior into your program.
The go mod verify
command checks the checksums of the downloaded modules against the entries in the go.sum
file. The go.sum
file contains the cryptographic hash values of the modules and the versions you have requested. If the checksums match, it indicates that the modules are unaltered and intact. However, if the calculated checksums do not match the entries in go.sum
, it implies that the files have been modified or corrupted.
By running go mod verify
, you can detect any modifications in the downloaded module files. It is a good practice to regularly use this command to ensure the integrity and security of your project's dependencies.