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#!/usr/bin/env fish
#
# This is meant to be run by "make style" or "make style-all". It is not meant to
# be run directly from a shell prompt although it can be.
#
# This runs C++ files and fish scripts (*.fish) through their respective code
# formatting programs.
#
set git_clang_format no
set c_files
set f_files
set all no
if test "$argv[1]" = "--all"
set all yes
set -e argv[1]
end
if set -q argv[1]
echo "Unexpected arguments: '$argv'"
exit 1
end
if test $all = yes
set files (git status --porcelain --short --untracked-files=all | sed -e 's/^ *[^ ]* *//')
if set -q files[1]
echo
echo You have uncommited changes. Cowardly refusing to restyle the entire code base.
echo
exit 1
end
set c_files src/*.h src/*.cpp
set f_files share/***.fish
else
# We haven't been asked to reformat all the source. If there are uncommitted changes reformat
# those using `git clang-format`. Else reformat the files in the most recent commit.
# Select (cached files) (modified but not cached, and untracked files)
set files (git diff-index --cached HEAD --name-only) (git ls-files --exclude-standard --others --modified)
if set -q files[1]
set git_clang_format yes
else
# No pending changes so lint the files in the most recent commit.
set files (git diff-tree --no-commit-id --name-only -r HEAD)
end
# Extract just the C/C++ files that exist.
set c_files
for file in (string match -r '^.*\.(?:c|cpp|h)$' -- $files)
test -f $file; and set c_files $c_files $file
end
# Extract just the fish files.
set f_files (string match -r '^.*\.fish$' -- $files)
end
# Run the C++ reformatter if we have any C++ files.
if set -q c_files[1]
if test $git_clang_format = yes
if type -q git-clang-format
echo
echo ========================================
echo Running git-clang-format
echo ========================================
git add $c_files
git-clang-format
else
echo
echo 'WARNING: Cannot find git-clang-format command'
echo
end
else if type -q clang-format
echo
echo ========================================
echo Running clang-format
echo ========================================
for file in $c_files
cp $file $file.new # preserves mode bits
clang-format $file >$file.new
if cmp --quiet $file $file.new
echo $file was correctly formatted
rm $file.new
else
echo $file was NOT correctly formatted
mv $file.new $file
end
end
else
echo
echo 'WARNING: Cannot find clang-format command'
echo
end
end
# Run the fish reformatter if we have any fish files.
if set -q f_files[1]
if not type -q fish_indent
make fish_indent
set PATH . $PATH
end
echo
echo ========================================
echo Running fish_indent
echo ========================================
for file in $f_files
cp $file $file.new # preserves mode bits
fish_indent <$file >$file.new
if cmp --quiet $file $file.new
echo $file was correctly formatted
rm $file.new
else
echo $file was NOT correctly formatted
mv $file.new $file
end
end
end
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