diff options
Diffstat (limited to 'upgrade/upgrade.go')
| -rw-r--r-- | upgrade/upgrade.go | 231 |
1 files changed, 0 insertions, 231 deletions
diff --git a/upgrade/upgrade.go b/upgrade/upgrade.go deleted file mode 100644 index 9652c67..0000000 --- a/upgrade/upgrade.go +++ /dev/null @@ -1,231 +0,0 @@ -//go:build !cgo && upgrade && ignore -// +build !cgo,upgrade,ignore - -package main - -import ( - "archive/zip" - "bufio" - "bytes" - "fmt" - "io" - "io/ioutil" - "log" - "net/http" - "os" - "path" - "path/filepath" - "strings" - "time" - - "github.com/PuerkitoBio/goquery" -) - -func download(prefix string) (url string, content []byte, err error) { - year := time.Now().Year() - - site := "https://www.sqlite.org/download.html" - //fmt.Printf("scraping %v\n", site) - doc, err := goquery.NewDocument(site) - if err != nil { - log.Fatal(err) - } - - doc.Find("a").Each(func(_ int, s *goquery.Selection) { - if strings.HasPrefix(s.Text(), prefix) { - url = fmt.Sprintf("https://www.sqlite.org/%d/", year) + s.Text() - } - }) - - if url == "" { - return "", nil, fmt.Errorf("Unable to find prefix '%s' on sqlite.org", prefix) - } - - fmt.Printf("Downloading %v\n", url) - resp, err := http.Get(url) - if err != nil { - log.Fatal(err) - } - - // Ready Body Content - content, err = ioutil.ReadAll(resp.Body) - defer resp.Body.Close() - if err != nil { - return "", nil, err - } - - return url, content, nil -} - -func mergeFile(src string, dst string) error { - defer func() error { - fmt.Printf("Removing: %s\n", src) - err := os.Remove(src) - - if err != nil { - return err - } - - return nil - }() - - // Open destination - fdst, err := os.OpenFile(dst, os.O_APPEND|os.O_WRONLY, 0666) - if err != nil { - return err - } - defer fdst.Close() - - // Read source content - content, err := ioutil.ReadFile(src) - if err != nil { - return err - } - - // Add Additional newline - if _, err := fdst.WriteString("\n"); err != nil { - return err - } - - fmt.Printf("Merging: %s into %s\n", src, dst) - if _, err = fdst.Write(content); err != nil { - return err - } - - return nil -} - -func main() { - fmt.Println("Go-SQLite3 Upgrade Tool") - - wd, err := os.Getwd() - if err != nil { - log.Fatal(err) - } - if filepath.Base(wd) != "upgrade" { - log.Printf("Current directory is %q but should run in upgrade directory", wd) - os.Exit(1) - } - - // Download Amalgamation - _, amalgamation, err := download("sqlite-amalgamation-") - if err != nil { - log.Fatalf("Failed to download: sqlite-amalgamation; %s", err) - } - - // Download Source - _, source, err := download("sqlite-src-") - if err != nil { - log.Fatalf("Failed to download: sqlite-src; %s", err) - } - - // Create Amalgamation Zip Reader - rAmalgamation, err := zip.NewReader(bytes.NewReader(amalgamation), int64(len(amalgamation))) - if err != nil { - log.Fatal(err) - } - - // Create Source Zip Reader - rSource, err := zip.NewReader(bytes.NewReader(source), int64(len(source))) - if err != nil { - log.Fatal(err) - } - - // Extract Amalgamation - for _, zf := range rAmalgamation.File { - var f *os.File - switch path.Base(zf.Name) { - case "sqlite3.c": - f, err = os.Create("../sqlite3-binding.c") - case "sqlite3.h": - f, err = os.Create("../sqlite3-binding.h") - case "sqlite3ext.h": - f, err = os.Create("../sqlite3ext.h") - default: - continue - } - if err != nil { - log.Fatal(err) - } - zr, err := zf.Open() - if err != nil { - log.Fatal(err) - } - - _, err = io.WriteString(f, "#ifndef USE_LIBSQLITE3\n") - if err != nil { - zr.Close() - f.Close() - log.Fatal(err) - } - scanner := bufio.NewScanner(zr) - for scanner.Scan() { - text := scanner.Text() - if text == `#include "sqlite3.h"` { - text = `#include "sqlite3-binding.h" -#ifdef __clang__ -#define assert(condition) ((void)0) -#endif -` - } - _, err = fmt.Fprintln(f, text) - if err != nil { - break - } - } - err = scanner.Err() - 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())) - } - - //Extract Source - for _, zf := range rSource.File { - var f *os.File - switch path.Base(zf.Name) { - case "userauth.c": - f, err = os.Create("../userauth.c") - case "sqlite3userauth.h": - f, err = os.Create("../userauth.h") - default: - continue - } - if err != nil { - log.Fatal(err) - } - zr, err := zf.Open() - if err != nil { - log.Fatal(err) - } - - _, err = io.Copy(f, zr) - if err != nil { - log.Fatal(err) - } - - zr.Close() - f.Close() - fmt.Printf("extracted %v\n", filepath.Base(f.Name())) - } - - // Merge SQLite User Authentication into amalgamation - if err := mergeFile("../userauth.c", "../sqlite3-binding.c"); err != nil { - log.Fatal(err) - } - if err := mergeFile("../userauth.h", "../sqlite3-binding.h"); err != nil { - log.Fatal(err) - } - - os.Exit(0) -} |