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Code Issues Releases Wiki Activity

Patch rendering fixes

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Summary:
Not too familiar with the patch rendering code, but diff should fix
a few issues:
1) The current didn't seem to handle the case of an insertion only
diff (where the original text is empty).  Specifically, it would
still print a replacement line and would merge the line immediately
after the patch location into the patch application.
2) Patches with trailing newlines were rendered with an additional
newline.  This appears to be due to using ##explode## to break the
patch into lines.

Test Plan:
1) Verified that this fixed apache license linting for files that had
no license.
2) Checked that this didn't affect trailing-whitespace patch application.

Reviewers: epriestley, aran

Reviewed By: epriestley

CC: aran, epriestley

Differential Revision: https://secure.phabricator.com/D1715
This commit is contained in:
Andrew Gallagher 2012-02-27 20:04:43 -08:00
parent ee8c8cf4e7
commit bd3ce3631a
1 changed files with 32 additions and 21 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

53
src/lint/renderer/ArcanistLintRenderer.php
View file

@ -134,28 +134,35 @@ final class ArcanistLintRenderer {
$text_lines = explode("\n", $text);
$text_length = count($text_lines);
for (; $cursor < $line_num + $text_length; $cursor++) {
$chevron = ($cursor == $line_num);
// We may not have any data if, e.g., the old file does not exist.
$data = idx($line_data, $cursor, null);
if ($text) {
for (; $cursor < $line_num + $text_length; $cursor++) {
$chevron = ($cursor == $line_num);
// We may not have any data if, e.g., the old file does not exist.
$data = idx($line_data, $cursor, null);
// Highlight the problem substring.
$text_line = $text_lines[$cursor - $line_num];
if (strlen($text_line)) {
$data = substr_replace(
$data,
phutil_console_format('##%s##', $text_line),
($cursor == $line_num)
? $message->getChar() - 1
: 0,
strlen($text_line));
// Highlight the problem substring.
$text_line = $text_lines[$cursor - $line_num];
if (strlen($text_line)) {
$data = substr_replace(
$data,
phutil_console_format('##%s##', $text_line),
($cursor == $line_num)
? $message->getChar() - 1
: 0,
strlen($text_line));
}
$out[] = $this->renderLine($cursor, $data, $chevron, $diff);
}
$out[] = $this->renderLine($cursor, $data, $chevron, $diff);
}
// Print out replacement text.
if ($message->isPatchable()) {
// Strip trailing newlines, since "explode" will create an extra patch
// line for these.
if (idx($patch, strlen($patch) - 1, null) === "\n") {
$patch = substr($patch, 0, -1);
}
$patch_lines = explode("\n", $patch);
$patch_length = count($patch_lines);
@ -163,11 +170,15 @@ final class ArcanistLintRenderer {
$len = isset($text_lines[0]) ? strlen($text_lines[0]) : 0;
$patched = substr_replace(
$line_data[$line_num],
phutil_console_format('##%s##', $patch_line),
$start,
$len);
$patched = phutil_console_format('##%s##', $patch_line);
if ($text) {
$patched = substr_replace(
$line_data[$line_num],
$patched,
$start,
$len);
}
$out[] = $this->renderLine(null, $patched, false, '+');