diff options
Diffstat (limited to 'modules/git/diff.go')
| -rw-r--r-- | modules/git/diff.go | 25 |
1 files changed, 18 insertions, 7 deletions
diff --git a/modules/git/diff.go b/modules/git/diff.go index c4df6b8063..35d115be0e 100644 --- a/modules/git/diff.go +++ b/modules/git/diff.go @@ -99,9 +99,9 @@ func GetRepoRawDiffForFile(repo *Repository, startCommit, endCommit string, diff return nil } -// ParseDiffHunkString parse the diffhunk content and return -func ParseDiffHunkString(diffhunk string) (leftLine, leftHunk, rightLine, righHunk int) { - ss := strings.Split(diffhunk, "@@") +// ParseDiffHunkString parse the diff hunk content and return +func ParseDiffHunkString(diffHunk string) (leftLine, leftHunk, rightLine, rightHunk int) { + ss := strings.Split(diffHunk, "@@") ranges := strings.Split(ss[1][1:], " ") leftRange := strings.Split(ranges[0], ",") leftLine, _ = strconv.Atoi(leftRange[0][1:]) @@ -112,14 +112,19 @@ func ParseDiffHunkString(diffhunk string) (leftLine, leftHunk, rightLine, righHu rightRange := strings.Split(ranges[1], ",") rightLine, _ = strconv.Atoi(rightRange[0]) if len(rightRange) > 1 { - righHunk, _ = strconv.Atoi(rightRange[1]) + rightHunk, _ = strconv.Atoi(rightRange[1]) } } else { - log.Debug("Parse line number failed: %v", diffhunk) + log.Debug("Parse line number failed: %v", diffHunk) rightLine = leftLine - righHunk = leftHunk + rightHunk = leftHunk } - return leftLine, leftHunk, rightLine, righHunk + if rightLine == 0 { + // FIXME: GIT-DIFF-CUT-BUG search this tag to see details + // this is only a hacky patch, the rightLine&rightHunk might still be incorrect in some cases. + rightLine++ + } + return leftLine, leftHunk, rightLine, rightHunk } // Example: @@ -1,8 +1,9 @@ => [..., 1, 8, 1, 9] @@ -270,6 +275,12 @@ func CutDiffAroundLine(originalDiff io.Reader, line int64, old bool, numbersOfLi oldNumOfLines++ } } + + // "git diff" outputs "@@ -1 +1,3 @@" for "OLD" => "A\nB\nC" + // FIXME: GIT-DIFF-CUT-BUG But there is a bug in CutDiffAroundLine, then the "Patch" stored in the comment model becomes "@@ -1,1 +0,4 @@" + // It may generate incorrect results for difference cases, for example: delete 2 line add 1 line, delete 2 line add 2 line etc, need to double check. + // For example: "L1\nL2" => "A\nB", then the patch shows "L2" as line 1 on the left (deleted part) + // construct the new hunk header newHunk[headerLines] = fmt.Sprintf("@@ -%d,%d +%d,%d @@", oldBegin, oldNumOfLines, newBegin, newNumOfLines) |