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https://github.com/mjl-/mox.git
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5f7831a7f0
needed for upcoming changes, where (now) package admin needs to import package store. before, because package store imports mox- (for accessing the active config), that would lead to a cyclic import. package mox- keeps its active config, package admin has the higher-level config-changing functions.
52 lines
1.4 KiB
Go
52 lines
1.4 KiB
Go
package store
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import (
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"fmt"
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"os"
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"strings"
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"time"
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"github.com/mjl-/mox/mox-"
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"github.com/mjl-/mox/moxvar"
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"github.com/mjl-/mox/updates"
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)
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// StoreLastKnown stores the the last known version. Future update checks compare
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// against it, or the currently running version, whichever is newer.
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func StoreLastKnown(v updates.Version) error {
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return os.WriteFile(mox.DataDirPath("lastknownversion"), []byte(v.String()), 0660)
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}
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// LastKnown returns the last known version that has been mentioned in an update
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// email, or the current application.
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func LastKnown() (current, lastknown updates.Version, mtime time.Time, rerr error) {
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curv, curerr := updates.ParseVersion(moxvar.VersionBare)
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p := mox.DataDirPath("lastknownversion")
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fi, _ := os.Stat(p)
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if fi != nil {
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mtime = fi.ModTime()
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}
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vbuf, err := os.ReadFile(p)
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if err != nil && !os.IsNotExist(err) {
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return curv, updates.Version{}, mtime, err
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}
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lastknown, lasterr := updates.ParseVersion(strings.TrimSpace(string(vbuf)))
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if curerr == nil && lasterr == nil {
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if curv.After(lastknown) {
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return curv, curv, mtime, nil
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}
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return curv, lastknown, mtime, nil
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} else if curerr == nil {
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return curv, curv, mtime, nil
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} else if lasterr == nil {
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return curv, lastknown, mtime, nil
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}
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if strings.HasPrefix(moxvar.Version, "(devel)") {
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return curv, updates.Version{}, mtime, fmt.Errorf("development version")
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}
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return curv, updates.Version{}, mtime, fmt.Errorf("parsing version: %w", err)
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}
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