mirror of
https://github.com/fish-shell/fish-shell
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c2970f9618
This runs build_tools/style.fish, which runs clang-format on C++, fish_indent on fish and (new) black on python. If anything is wrong with the formatting, we should fix the tools, but automated formatting is worth it.
72 lines
3.1 KiB
Fish
72 lines
3.1 KiB
Fish
function __fish_parse_configure
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if test (count $argv) -ne 1
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echo "Usage: parse_configure path/to/configure" 1>&2
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return 1
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end
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# `complete` parses `./configure` as `configure` so we have to handle all paths, not just ./
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if not test -x $argv[1]
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printf "Cannot find or execute '%s'\n" $argv[1] 1>&2
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return 1
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end
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# Must support output along the lines of
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# -h, --help display this help and exit
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# --help=short display options specific to this package
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# --help=recursive display the short help of all the included packages
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# -V, --version display version information and exit
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# -q, --quiet, --silent do not print `checking ...' messages
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set -l next_line
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set -l line
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set -l buffer
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# Just fish's `./configure --help` takes ~350ms to run, before parsing
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# The following chain attempts to extract the help message:
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cat $argv[1] | tr \n \u0e | sed -n 's/.*Report the --help message\(.*\?\)ac_status.*/\1/; s/ac_status.*//p' | tr \u0e \n |
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while test "$next_line" != "" || read -lL next_line
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# In autoconfigure scripts, the first column wraps at 26 chars
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# echo next_line: $next_line
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# echo old_line: $line
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if test "$line" = ""
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set line $next_line
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set next_line "" # mark it as consumed
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continue
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else if string match -qr '^( |\t){2,}[^-]\S*' -- $next_line
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# echo "continuation line found. Old value of line: " \"$line\"
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set line "$line "(string trim $next_line)
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set next_line "" # mark it as consumed
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continue
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end
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# echo line: $line
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# Search for one or more strings starting with `-` separated by commas
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if string replace -fr '^\s+(-.*?)\s+([^\s\-].*)' '$1\n$2' -- $line | read -lL opts description
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for opt in (string split -n , -- $opts | string trim)
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if string match -qr -- '--[a-z_0-9-]+=\[.*\]' $opt
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# --option=[OPTIONAL_VALUE]
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string replace -r -- '(--[a-z_0-9-]+)=.*' '$1' $opt | read opt
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else if string match -qr -- '--[a-z_0-9-]+\[=.*\]' $opt
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# --option[=OPTIONAL_VALUE]
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string replace -r -- '(--[a-z_0-9-]+)\[=.*' '$1' $opt | read opt
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else if string match -qr -- '--[a-z_0-9-]+=[A-Z]+' $opt
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# --option=CLASS_OF_VALUE (eg FILE or DIR)
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string replace -r -- '(--[a-z_0-9-]+)=.*' '$1' $opt | read opt
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else if string match -qr -- '--[a-z_0-9-]+=\S+' $opt
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# --option=literal_value, leave as-is
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else if string match -qr -- '--[a-z_0-9-]+$' $opt
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# long option, leave as-is
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else if string match -qr -- '-[^-]$' $opt
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# short option, leave as-is
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else
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continue
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end
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echo "$opt"\t"$description" # parsed by `complete` as value and description
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end
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end
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set line ""
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end
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end
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