forked from coop-cloud/tagcmp
Merge pull request 'add functions to simplify checking upgrade types' (#3) from knoflook/tagcmp:main into main
Reviewed-on: coop-cloud/tagcmp#3
This commit is contained in:
commit
0581b1f5ed
54
tagcmp.go
54
tagcmp.go
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@ -166,6 +166,60 @@ func (t Tag) IsCompatible(tag Tag) bool {
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return true
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return true
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}
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}
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// UpgradeElement returns a Tag object which is the difference between an old and new tag
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// It can contain negative numbers if comparing with an older tag.
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func (curTag Tag) UpgradeElement(newTag Tag) (Tag, error) {
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if !curTag.IsCompatible(newTag) {
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return Tag{}, fmt.Errorf("%s and %s are not compatible with each other", curTag.String(), newTag.String())
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}
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diff := curTag
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diff.Major(strconv.Itoa(strconv.Atoi(newTag.Major) - strconv.Atoi(curTag.Major)))
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if !curTag.MissingMinor {
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diff.Minor(strconv.Itoa(strconv.Atoi(newTag.Minor) - strconv.Atoi(curTag.Minor)))
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}
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if !curTag.MissingPatch {
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diff.Patch(strconv.Itoa(strconv.Atoi(newTag.Patch) - strconv.Atoi(curTag.Patch)))
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}
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return diff, nil
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}
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// UpgradeType takes exit from UpgradeElemene and returns a numeric representation of upgrade or downgrade
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// 1/-1: patch 2/-2: minor 4/-4: major 0: no change
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func UpgradeType(t Tag) int {
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var major, minor, patch int
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major = strconv.Atoi(t.Major)
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if t.MissingMinor {
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minor = 0
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} else {
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minor = strconv.Atoi(t.Minor)
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}
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if t.MissingPatch {
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patch = 0
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} else {
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patch := strconv.Atoi(t.Patch)
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}
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if major > 0 {
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return 4
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}
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if major < 0 {
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return -4
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}
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if minor > 0 {
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return 2
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}
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if minor < 0 {
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return -2
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}
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if patch > 0 {
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return 1
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}
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if patch < 0 {
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return -1
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}
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return 0
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}
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// CommitHashPattern matches commit-like hash tags
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// CommitHashPattern matches commit-like hash tags
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var CommitHashPattern = "^[a-f0-9]{7,40}$"
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var CommitHashPattern = "^[a-f0-9]{7,40}$"
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