ec1f89217a
Full Mattermost server source with integrated Community Enterprise features. Includes vendor directory for offline/air-gapped builds. Structure: - enterprise-impl/: Enterprise feature implementations - enterprise-community/: Init files that register implementations - enterprise/: Bridge imports (community_imports.go) - vendor/: All dependencies for offline builds Build (online): go build ./cmd/mattermost Build (offline/air-gapped): go build -mod=vendor ./cmd/mattermost 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
56 lines
1.1 KiB
Go
56 lines
1.1 KiB
Go
package archives
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import (
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"bytes"
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"context"
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"io"
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"strings"
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fastxz "github.com/mikelolasagasti/xz"
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"github.com/ulikunitz/xz"
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)
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func init() {
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RegisterFormat(Xz{})
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}
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// Xz facilitates xz compression.
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type Xz struct{}
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func (Xz) Extension() string { return ".xz" }
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func (Xz) MediaType() string { return "application/x-xz" }
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func (x Xz) Match(_ context.Context, filename string, stream io.Reader) (MatchResult, error) {
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var mr MatchResult
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// match filename
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if strings.Contains(strings.ToLower(filename), x.Extension()) {
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mr.ByName = true
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}
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// match file header
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buf, err := readAtMost(stream, len(xzHeader))
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if err != nil {
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return mr, err
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}
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mr.ByStream = bytes.Equal(buf, xzHeader)
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return mr, nil
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}
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func (Xz) OpenWriter(w io.Writer) (io.WriteCloser, error) {
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return xz.NewWriter(w)
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}
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func (Xz) OpenReader(r io.Reader) (io.ReadCloser, error) {
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xr, err := fastxz.NewReader(r, 0)
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if err != nil {
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return nil, err
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}
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return io.NopCloser(xr), err
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}
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// magic number at the beginning of xz files; see section 2.1.1.1
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// of https://tukaani.org/xz/xz-file-format.txt
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var xzHeader = []byte{0xfd, 0x37, 0x7a, 0x58, 0x5a, 0x00}
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