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Speed up conflict checking in pull request creation #276

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merged 3 commits into from
Dec 29, 2016
Merged

Speed up conflict checking in pull request creation #276

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c39e0b3
Speed up conflict checking in pull request creation
typeless Nov 27, 2016
f349204
Use $GIT_INDEX_FILE instead of --index-output to avoid lockfile problem
typeless Dec 28, 2016
f635203
Temporary file names should not prefixed with '-'
typeless Dec 29, 2016
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23 changes: 15 additions & 8 deletions models/pull.go
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Original file line number Diff line number Diff line change
Expand Up @@ -8,6 +8,8 @@ import (
"fmt"
"os"
"path"
"path/filepath"
"strconv"
"strings"
"time"

Expand Down Expand Up @@ -428,17 +430,22 @@ func (pr *PullRequest) testPatch() (err error) {

log.Trace("PullRequest[%d].testPatch (patchPath): %s", pr.ID, patchPath)

// Delete old temp local copy before we create a new temp local copy
RemoveAllWithNotice("Deleting old local copy", pr.BaseRepo.LocalCopyPath())
pr.Status = PullRequestStatusChecking

indexTmpPath := filepath.Join(os.TempDir(), "gitea-"+pr.BaseRepo.Name+"-"+strconv.Itoa(time.Now().Nanosecond()))
defer os.Remove(indexTmpPath)

if err := pr.BaseRepo.UpdateLocalCopyBranch(pr.BaseBranch); err != nil {
return fmt.Errorf("UpdateLocalCopy: %v", err)
var stderr string
_, stderr, err = process.ExecDirEnv(-1, "", fmt.Sprintf("testPatch (git read-tree): %d", pr.BaseRepo.ID),
[]string{"GIT_DIR=" + pr.BaseRepo.RepoPath(), "GIT_INDEX_FILE=" + indexTmpPath},
"git", "read-tree", pr.BaseBranch)
if err != nil {
return fmt.Errorf("git read-tree --index-output=%s %s: %v - %s", indexTmpPath, pr.BaseBranch, err, stderr)
}

pr.Status = PullRequestStatusChecking
_, stderr, err := process.ExecDir(-1, pr.BaseRepo.LocalCopyPath(),
fmt.Sprintf("testPatch (git apply --check): %d", pr.BaseRepo.ID),
"git", "apply", "--check", patchPath)
_, stderr, err = process.ExecDirEnv(-1, "", fmt.Sprintf("testPatch (git apply --check): %d", pr.BaseRepo.ID),
[]string{"GIT_INDEX_FILE=" + indexTmpPath, "GIT_DIR=" + pr.BaseRepo.RepoPath()},
"git", "apply", "--check", "--cached", patchPath)
if err != nil {
for i := range patchConflicts {
if strings.Contains(stderr, patchConflicts[i]) {
Expand Down