feat: add a keep_version flag

[wellenvogel]

I'm using nfpm for some of my projects. As I already started other projects that also produce packages with a slightly different versioning schema (using other tools) I would like to have a chance to keep my version completely unchanged from the config to the created package.
To be fully compatible I introduced a flag to switch off the semver handling.

As I encountered problems when afterwards building a docker image I added a staticbuild task to the Makefile.

Working image at https://hub.docker.com/repository/docker/wellenvogel/nfpm: wellenvogel/nfpm:1.0

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[djgilcrease]

Looks good after a rebase

[caarlos0]

hey, thanks for the pr and sorry for the delay to review, lost it in the notifications I think...

---

I would say to do something more like:

version_schema: semver (default)|none

so its hopefully clearer.

wdyt?

---

also need to mention the new option in the docs...

[djgilcrease]

version_schema: semver (default)|none

I like this, then I would change the check to a switch to make it easier to add additional version schema in the future.

        switch info.VersionSchema {
            case "none":
                // No change to the version or prerelease info set in the YAML file
                break
            case "semver":
                fallthrough
            default:
                info.parseSemver()
        }

[caarlos0]

I like this, then I would change the check to a switch to make it easier to add additional version schema in the future.

yep :)

[wellenvogel]

For me it also looks good.
Any solution that allows to set a plain version is completely ok.

[codecov]

Codecov Report

Merging #283 (12a0752) into master (1fb2691) will decrease coverage by 0.18%.
The diff coverage is 72.41%.

@@            Coverage Diff             @@
##           master     #283      +/-   ##
==========================================
- Coverage   69.37%   69.18%   -0.19%     
==========================================
  Files           9        9              
  Lines        1159     1178      +19     
==========================================
+ Hits          804      815      +11     
- Misses        223      229       +6     
- Partials      132      134       +2     

Impacted Files	Coverage Δ
rpm/rpm.go	73.20% <60.00%> (-0.67%)	⬇️
nfpm.go	82.75% <69.23%> (-2.57%)	⬇️
apk/apk.go	70.29% <100.00%> (+0.25%)	⬆️

---

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[djgilcrease]

Superceeded by #324

[github-actions]

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