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git-gui: remove unused proc is_shellscript

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Commit 7d076d56757c (git-gui: handle shell script text filters when
loading for blame, 2011-12-09) added is_shellscript to test if a file
is executable by the shell, used only when searching for textconv
filters. The previous commit rearranged the tests for finding such
filters, and removed the only user of is_shellscript. Remove this
function.

Signed-off-by: Mark Levedahl <mlevedahl@gmail.com>
Signed-off-by: Johannes Sixt <j6t@kdbg.org>
Signed-off-by: Taylor Blau <me@ttaylorr.com>
This commit is contained in:
Mark Levedahl 2025-04-04 16:55:59 -04:00 committed by Taylor Blau
parent 4eb9b1157b
commit 2c66188b12
1 changed files with 0 additions and 10 deletions
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git-gui.sh
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@ -549,16 +549,6 @@ proc _git_cmd {name} {
return $v
}
# Test a file for a hashbang to identify executable scripts on Windows.
proc is_shellscript {filename} {
if {![file exists $filename]} {return 0}
set f [open $filename r]
fconfigure $f -encoding binary
set magic [read $f 2]
close $f
return [expr {$magic eq "#!"}]
}
# Run a shell command connected via pipes on stdout.
# This is for use with textconv filters and uses sh -c "..." to allow it to
# contain a command with arguments. We presume this