knoflook
/
tagcmp
forked from coop-cloud/tagcmp
0
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

feat: add Tag.UpgradeElement(newTag Tag) which returns a difference between two tags

This commit is contained in:
knoflook 2021-10-01 18:56:46 +02:00
parent 2a8edd82d7
commit 5294d8d484
Signed by: knoflook
GPG Key ID: D6A1D0E8FC4FEF1C
1 changed files with 19 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

19
tagcmp.go
View File

@ -166,6 +166,25 @@ func (t Tag) IsCompatible(tag Tag) bool {
return true
}
// UpgradeElement returns a Tag object which is the difference between an old and new tag
// It can contain negative numbers if comparing with an older tag
func (curTag Tag) UpgradeElement(newTag Tag) (Tag, error) {
if !curTag.IsCompatible(newTag) {
return Tag{}, fmt.Errorf("%s and %s are not compatible with each other", curTag.String(), newTag.String())
}
diff := Tag{
Major: Itoa(Atoi(newTag.Major) - Atoi(curTag.Major)),
Minor: Itoa(Atoi(newTag.Minor) - Atoi(curTag.Minor)),
MissingMinor: false,
Patch: Itoa(Atoi(newTag.Patch) - Atoi(curTag.Patch)),
MissingPatch: false,
UsesV: false,
Suffix: "",
}
return diff, nil
}
// CommitHashPattern matches commit-like hash tags
var CommitHashPattern = "^[a-f0-9]{7,40}$"