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https://github.com/fish-shell/fish-shell.git
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9367d4ff71
This does not include checks/function.fish because that currently includes a "; end" in a message that indent would remove, breaking the test.
94 lines
4.3 KiB
Fish
94 lines
4.3 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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complete -c configure -s h -l help -x -a "short recursive" -d "Display help and exit"
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complete -c configure -s V -l version -d "Display version and exit"
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complete -c configure -s q -l quiet -d "Quiet mode"
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complete -c configure -l cache-file -f -d "Cache test results in specified file"
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complete -c configure -s C -l config-cache -d "Cache test results in file config.cache"
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complete -c configure -s n -l no-create -d "Do not create output files"
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complete -c configure -l srcdir -d "Set source directory" -a "(__fish_complete_directories)" -x
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complete -c configure -l prefix -d "Architecture-independent install directory" -a "(__fish_complete_directories)" -x
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complete -c configure -l exec-prefix -d "Architecture-dependent install directory" -a "(__fish_complete_directories)" -x
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complete -c configure -l build -d "Configure for building on BUILD" -x
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complete -c configure -l host -d "Cross-compile to build programs to run on HOST" -x
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complete -c configure -l target -d "Configure for building compilers for TARGET" -x
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# use autoconf's --help to generate completions:
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complete -c configure -a '(for tok in (commandline -opc)
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if string match -q "*configure" -- $tok
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__fish_parse_configure $tok
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break
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end
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end)'
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