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git-gui: break out a separate function git_read_nice

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There are two callers of git_read that request special treatment using
option --nice. Rewrite them to call a new function git_read_nice that
does the special treatment. Now we can remove all option treatment from
git_read.

git_write has the same capability, but there are no callers that
request --nice. Remove the feature without substitution.

This is a preparation for a later change where we want to make git_read
and friends non-variadic. Then it cannot have optional arguments.

Signed-off-by: Johannes Sixt <j6t@kdbg.org>

Signed-off-by: Taylor Blau <me@ttaylorr.com>
This commit is contained in:
Johannes Sixt
2025-05-03 13:11:21 +02:00
committed by Taylor Blau
parent 23ba43256b
commit aa42e87ef4
3 changed files with 12 additions and 35 deletions
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2
lib/diff.tcl
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@@ -338,7 +338,7 @@ proc start_show_diff {cont_info {add_opts {}}} {
}
}
if {[catch {set fd [eval git_read --nice $cmd]} err]} {
if {[catch {set fd [eval git_read_nice $cmd]} err]} {
set diff_active 0
unlock_index
ui_status [mc "Unable to display %s" [escape_path $path]]