Hello T L,
I think I might not fully understand the exact scenario, but one thing some
people have done when they have something in their vendor directory that
they can't otherwise find anywhere else (e.g., perhaps because it is
modified, or maybe the only copy of a now-missing dependency is in your
vendor directory) is to rename the vendor directory to something else
("oldvendor", or whatever name makes sense), and then set 'replace'
directives in the main project's go.mod file to point into the "oldvendor"
directory for whatever pieces from there are needed.
For example, something like:
require github.com/some/dependency v0.0.0
replace github.com/some/dependency =>
./oldvendor/github.com/some/dependency
I think that would allow you to pick and choose what you want from your old
vendor directory.
In terms of your other question, I think -mod=vendor is currently all or
nothing. There is a proposal to perhaps one day support partial vendoring,
but that is not in the current software.
Regards,
thepudds
On Tuesday, September 10, 2019 at 8:59:28 AM UTC-4, T L wrote:
>
> I maintain an private old Go project, which depends many many old packages.
> Before the module mode, I put all these dependency packages under the
> vendor folder.
> In the developing process, from time to time, I modified some of
> dependency packages.
>
> Meanwhile, I plan to migrate the project to modules mode and need to
> import some new module packages.
> I found I encountered an embarrassing situation.
> If I delete the vendor folder and run "go mod vendor" in modules mode to
> rebuild the vendor,
> the command will fail. One reason is some dependency packages disappeared.
> The other reason is many packages are updated and broke capabilities.
> And I don't want the new download to overwrite my local modifications for
> some dependency packages.
>
> So, is there a way to let me continue use the these old dependency
> packages and use some new modules based packages?
>
>
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