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Signed-off-by: Denis Vaumoron <dvaumoron@gmail.com>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,58 @@ | ||
| /* | ||
| * | ||
| * Copyright 2024 tofuutils authors. | ||
| * | ||
| * Licensed under the Apache License, Version 2.0 (the "License"); | ||
| * you may not use this file except in compliance with the License. | ||
| * You may obtain a copy of the License at | ||
| * | ||
| * http://www.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, software | ||
| * distributed under the License is distributed on an "AS IS" BASIS, | ||
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| * See the License for the specific language governing permissions and | ||
| * limitations under the License. | ||
| * | ||
| */ | ||
|
|
||
| package lastuse | ||
|
|
||
| import ( | ||
| "os" | ||
| "path/filepath" | ||
| "time" | ||
|
|
||
| "github.com/hashicorp/go-hclog" | ||
|
|
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| "github.com/tofuutils/tenv/v2/pkg/loghelper" | ||
| ) | ||
|
|
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| const fileName = "last-use.txt" | ||
|
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| func Read(dirPath string, displayer loghelper.Displayer) time.Time { | ||
| data, err := os.ReadFile(filepath.Join(dirPath, fileName)) | ||
| if err != nil { | ||
| displayer.Log(hclog.Warn, "Unable to read date in file", loghelper.Error, err) | ||
|
|
||
| return time.Time{} | ||
| } | ||
|
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| parsed, err := time.Parse(time.DateOnly, string(data)) | ||
| if err != nil { | ||
| displayer.Log(hclog.Warn, "Unable to parse date in file", loghelper.Error, err) | ||
|
|
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| return time.Time{} | ||
| } | ||
|
|
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| return parsed | ||
| } | ||
|
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| func WriteNow(dirPath string, displayer loghelper.Displayer) { | ||
| lastUsePath := filepath.Join(dirPath, fileName) | ||
| nowData := time.Now().AppendFormat(nil, time.DateOnly) | ||
|
|
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| if err := os.WriteFile(lastUsePath, nowData, 0o644); err != nil { | ||
| displayer.Log(hclog.Warn, "Unable to write date in file", loghelper.Error, err) | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,120 @@ | ||
| /* | ||
| * | ||
| * Copyright 2024 tofuutils authors. | ||
| * | ||
| * Licensed under the Apache License, Version 2.0 (the "License"); | ||
| * you may not use this file except in compliance with the License. | ||
| * You may obtain a copy of the License at | ||
| * | ||
| * http://www.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, software | ||
| * distributed under the License is distributed on an "AS IS" BASIS, | ||
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| * See the License for the specific language governing permissions and | ||
| * limitations under the License. | ||
| * | ||
| */ | ||
|
|
||
| package semantic | ||
|
|
||
| import ( | ||
| "errors" | ||
| "path/filepath" | ||
| "strconv" | ||
| "strings" | ||
| "time" | ||
|
|
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| "github.com/hashicorp/go-version" | ||
| "github.com/tofuutils/tenv/v2/pkg/loghelper" | ||
| "github.com/tofuutils/tenv/v2/versionmanager/lastuse" | ||
| ) | ||
|
|
||
| const ( | ||
| allKey = "all" | ||
| butLast = "but-last" | ||
|
|
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| notUsedForPrefix = "not-used-for:" | ||
| notUsedSincePrefix = "not-used-since:" | ||
|
|
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| notUsedForPrefixLen = len(notUsedForPrefix) | ||
| notUsedSincePrefixLen = len(notUsedSincePrefix) | ||
| ) | ||
|
|
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| var errDurationParsing = errors.New("unrecognized duration format") | ||
|
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| // versions must be sorted in descending order. | ||
| func SelectVersionsToUninstall(behaviourOrConstraint string, installPath string, versions []string, displayer loghelper.Displayer) ([]string, error) { | ||
| switch { | ||
| case behaviourOrConstraint == allKey: | ||
| return versions, nil | ||
| case behaviourOrConstraint == butLast: | ||
| if len(versions) == 0 { | ||
| return nil, nil | ||
| } | ||
|
|
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| return versions[1:], nil // allowed by descending order | ||
| case strings.HasPrefix(behaviourOrConstraint, notUsedForPrefix): | ||
| forStr := behaviourOrConstraint[notUsedForPrefixLen:] | ||
|
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| var err error | ||
| daysInt, monthsInt := 0, 0 | ||
| lastIndex := len(forStr) - 1 | ||
| switch forStr[lastIndex] { | ||
| case 'd', 'D': | ||
| daysInt, err = strconv.Atoi(forStr[:lastIndex]) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| case 'm', 'M': | ||
| monthsInt, err = strconv.Atoi(forStr[:lastIndex]) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| default: | ||
| return nil, errDurationParsing | ||
| } | ||
|
|
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| beforeDate := time.Now().AddDate(0, -monthsInt, -daysInt) | ||
| pred := predicateBeforeDate(installPath, beforeDate, displayer) | ||
|
|
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| return filterStrings(versions, pred), nil | ||
| case strings.HasPrefix(behaviourOrConstraint, notUsedSincePrefix): | ||
| dateStr := behaviourOrConstraint[notUsedSincePrefixLen:] | ||
|
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| beforeDate, err := time.Parse(time.DateOnly, dateStr) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| pred := predicateBeforeDate(installPath, beforeDate, displayer) | ||
|
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| return filterStrings(versions, pred), nil | ||
| default: | ||
| constraint, err := version.NewConstraint(behaviourOrConstraint) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| pred := predicateFromConstraint(constraint) | ||
|
|
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| return filterStrings(versions, pred), nil | ||
| } | ||
| } | ||
|
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| func filterStrings(stringSlice []string, pred func(string) bool) []string { | ||
| selected := make([]string, 0, len(stringSlice)) | ||
| for _, str := range stringSlice { | ||
| if pred(str) { | ||
| selected = append(selected, str) | ||
| } | ||
| } | ||
|
|
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| return selected | ||
| } | ||
|
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| func predicateBeforeDate(installPath string, beforeDate time.Time, displayer loghelper.Displayer) func(string) bool { | ||
| return func(versionStr string) bool { | ||
| useDate := lastuse.Read(filepath.Join(installPath, versionStr), displayer) | ||
|
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| return useDate.Before(beforeDate) | ||
| } | ||
| } |