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Added SOURCE_DATE_EPOCH for reproducible builds #285

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merged 2 commits into from
Dec 21, 2018
Merged

Added SOURCE_DATE_EPOCH for reproducible builds #285

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fe4cb4b
Added SOURCE_DATE_EPOCH support
mnm678 Oct 29, 2018
4981010
formatting fixes
mnm678 Oct 29, 2018
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10 changes: 10 additions & 0 deletions man.go
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Original file line number Diff line number Diff line change
Expand Up @@ -3,7 +3,9 @@ package flags
import (
"fmt"
"io"
"os"
"runtime"
"strconv"
"strings"
"time"
)
Expand Down Expand Up @@ -175,6 +177,14 @@ func writeManPageCommand(wr io.Writer, name string, root *Command, command *Comm
// writer.
func (p *Parser) WriteManPage(wr io.Writer) {
t := time.Now()
source_date_epoch := os.Getenv("SOURCE_DATE_EPOCH")
if source_date_epoch != "" {
sde, err := strconv.ParseInt(source_date_epoch, 10, 64)
if err != nil {
panic(fmt.Sprintf("Invalid SOURCE_DATE_EPOCH: %s", err))
}
t = time.Unix(sde, 0)
}

fmt.Fprintf(wr, ".TH %s 1 \"%s\"\n", manQuote(p.Name), t.Format("2 January 2006"))
fmt.Fprintln(wr, ".SH NAME")
Expand Down