Module diffstat 

Git-compatible --stat / diffstat layout (width, name truncation, bar scaling).

Matches the width algorithm in Git’s show_stats() (diff.c).

Structs

DiffstatOptions

Options for laying out diffstat lines (Git diff_options stat fields).

FileStatInput

Constants

FORMAT_PATCH_STAT_WIDTH

Default total width for format-patch diffstat (MAIL_DEFAULT_WRAP in Git).

Functions

display_width_minus_ansi

Visible terminal width of s, skipping ANSI CSI sequences (like Git utf8_strnwidth(..., 1)).

terminal_columns

term_columns() approximation: COLUMNS env, then stty size, then 80.

write_diffstat_block

Write diffstat lines and summary, matching Git’s layout.