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upgrade: add ifdefines 

This makes it possible to correctly link against the system sqlite. Also, don't
use defers with log.Fatal() since they won't be run on exit.

Signed-off-by: Christian Brauner <christian.brauner@canonical.com>
This commit is contained in:
Christian Brauner 2016-10-28 10:11:52 +02:00
parent f6e7921d24
commit 420dc664ed
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GPG Key ID: 8EB056D53EECB12D
1 changed files with 22 additions and 3 deletions
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25
tool/upgrade.go
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@ -37,18 +37,21 @@ func main() {
if err != nil {
log.Fatal(err)
}
defer resp.Body.Close()
b, err := ioutil.ReadAll(resp.Body)
if err != nil {
resp.Body.Close()
log.Fatal(err)
}
fmt.Printf("extracting %v\n", path.Base(url))
r, err := zip.NewReader(bytes.NewReader(b), resp.ContentLength)
if err != nil {
resp.Body.Close()
log.Fatal(err)
}
resp.Body.Close()
for _, zf := range r.File {
var f *os.File
switch path.Base(zf.Name) {
@ -68,11 +71,27 @@ func main() {
if err != nil {
log.Fatal(err)
}
_, err = io.Copy(f, zr)
f.Close()
_, err = io.WriteString(f, "#ifndef USE_LIBSQLITE3\n")
if err != nil {
zr.Close()
f.Close()
log.Fatal(err)
}
_, err = io.Copy(f, zr)
if err != nil {
zr.Close()
f.Close()
log.Fatal(err)
}
_, err = io.WriteString(f, "#else // USE_LIBSQLITE3\n // If users really want to link against the system sqlite3 we\n// need to make this file a noop.\n #endif")
if err != nil {
zr.Close()
f.Close()
log.Fatal(err)
}
zr.Close()
f.Close()
fmt.Printf("extracted %v\n", filepath.Base(f.Name()))
}
}