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umputun / revdiff / 24939288252
90%
master: 90%

Build:
Build:
LAST BUILD BRANCH: refs/tags/v1.6.1
DEFAULT BRANCH: master
Ran 25 Apr 2026 07:54PM UTC
Jobs 1
Files 61
Run time 1min
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25 Apr 2026 07:53PM UTC coverage: 89.532% (+0.09%) from 89.446%
24939288252

Pull #151

github

umputun
docs: clarify ANSI envelope preservation reasoning in scrollbar

Copilot review on PR #151 flagged the byte-width claim as misleading.
The current text said "both track and thumb share the same UTF-8 byte
width" / "Both glyphs are 3-byte UTF-8 so the slice replacement
preserves the surrounding ANSI envelope" — but scrollbarThumbRune is
the bold-wrapped string "\x1b[1m┃\x1b[22m" (12 bytes), not 3, so the
implied byte-equality argument was wrong.

Reword both spots (godoc on applyScrollbar, CLAUDE.md gotcha entry) to
state the actual mechanism: the slice operation finds the rune via
LastIndex and replaces only that rune, leaving prefix/suffix bytes
(border fg/bg ANSI) intact regardless of the thumb's added SGR wrap.
The 1-cell display width of ┃ and │ is what keeps geometry stable —
that's separate from envelope preservation.

Related to #151.
Pull Request #151: feat(ui): vertical scrollbar thumb on diff pane right border

120 of 121 new or added lines in 2 files covered. (99.17%)

8527 of 9524 relevant lines covered (89.53%)

549.16 hits per line

Uncovered Changes

Lines Coverage ∆ File
1
97.5
app/ui/scrollbar.go
Jobs
ID Job ID Ran Files Coverage
1 24939288252.1 25 Apr 2026 07:54PM UTC 61
89.53
GitHub Action Run
Source Files on build 24939288252
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