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package main
import (
"bufio"
"crypto/sha256"
"fmt"
"io/ioutil"
"log"
"net/url"
"os"
"os/exec"
)
func exec_local_file(cmd_url *url.URL, args, env []string) error {
cmd := exec.Command(cmd_url.Path, args...)
cmd.Env = env
stdout, err := cmd.StdoutPipe()
if err != nil {
return nil
}
if err == nil {
if err = cmd.Start(); err == nil {
buff := bufio.NewScanner(stdout)
log.Printf("[%s - stout follows: ]\n", cmd.Path)
for buff.Scan() {
log.Printf(buff.Text()) // write each line to your log, or anything you need
}
err = cmd.Wait()
}
}
return err
}
func check_hash(file, hash string) error {
data, err := ioutil.ReadFile(file)
if err != nil {
return err
}
hash_bytes := sha256.Sum256(data)
computed_hash := string(hash_bytes[:sha256.Size])
if string(computed_hash) == hash {
return nil
} else {
return fmt.Errorf("WARNING!!! HASH MISMATCH FOR %s", file)
}
}
func exec_url(cmd_url *url.URL, args, env []string) error {
return nil
}
func exec_tag(tag *SCORSHtag_cfg, args []string, env []string) []error {
var ret []error
for _, c := range tag.Commands {
debug.log("[tag: %s] attempting command: %s\n", tag.Name, c.URL)
cmd_url, err := url.Parse(c.URL)
if err != nil {
log.Printf("[tag: %s] error parsing URL: %s", tag.Name, err)
} else {
if cmd_url.Scheme == "file" {
err = nil
// if a hash is specified, check that it matches
if c.Hash != "" {
err = check_hash(cmd_url.Path, c.Hash)
}
// if the hash does not match, abort the command
if err != nil {
log.Printf("[tag: %s] %s -- aborting command\n", tag.Name, err)
continue
} else {
// finally, the command can be executed
err = exec_local_file(cmd_url, args, env)
}
} else if cmd_url.Scheme == "http" || cmd_url.Scheme == "https" {
err = exec_url(cmd_url, args, env)
}
}
ret = append(ret, err)
}
return ret
}
func set_environment(msg *SCORSHmsg, tag, author, committer string) []string {
env := os.Environ()
env = append(env, fmt.Sprintf("SCORSH_REPO=%s", msg.Repo))
env = append(env, fmt.Sprintf("SCORSH_BRANCH=%s", msg.Branch))
env = append(env, fmt.Sprintf("SCORSH_OLDREV=%s", msg.Old_rev))
env = append(env, fmt.Sprintf("SCORSH_NEWREV=%s", msg.New_rev))
env = append(env, fmt.Sprintf("SCORSH_ID=%s", msg.Id))
env = append(env, fmt.Sprintf("SCORSH_TAG=%s", tag))
env = append(env, fmt.Sprintf("SCORSH_AUTHOR=%s", author))
env = append(env, fmt.Sprintf("SCORSH_COMMITTER=%s", committer))
return env
}
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