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https://github.com/fish-shell/fish-shell.git
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d31dc9ffd8
The previous version generates files which do not preserve the line number from the original fish script file, resulting in translation not working. The new approach is quite ugly, and might have some issues, but at least it seems to work in some cases.
83 lines
3.9 KiB
Fish
Executable File
83 lines
3.9 KiB
Fish
Executable File
#!/usr/bin/env fish
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#
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# Tool to generate messages.pot
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# Create temporary directory for these operations. OS X `mktemp` is somewhat restricted, so this block
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# works around that - based on share/functions/funced.fish.
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set -q TMPDIR
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or set -l TMPDIR /tmp
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set tmpdir (mktemp -d $TMPDIR/fish.XXXXXX)
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or exit 1
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# This is a gigantic crime.
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# xgettext still does not support rust *at all*, so we use cargo-expand to get all our wgettext invocations.
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set -l expanded (cargo expand --lib; for f in fish{,_indent,_key_reader}; cargo expand --bin $f; end)
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# Extract any gettext call
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set -l strs (printf '%s\n' $expanded | grep -A1 wgettext_static_str |
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grep 'widestring::internals::core::primitive::str =' |
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string match -rg '"(.*)"' | string match -rv '^%ls$|^$' |
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# escaping difference between gettext and cargo-expand: single-quotes
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string replace -a "\'" "'" | sort -u)
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# Extract any constants
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set -a strs (string match -rv 'BUILD_VERSION:|PACKAGE_NAME' -- $expanded |
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string match -rg 'const [A-Z_]*: &str = "(.*)"' | string replace -a "\'" "'")
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# We construct messages.pot ourselves instead of forcing this into msgmerge or whatever.
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# The escaping so far works out okay.
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for str in $strs
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# grep -P needed for string escape to be compatible (PCRE-style),
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# -H gives the filename, -n the line number.
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# If you want to run this on non-GNU grep: Don't.
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echo "#:" (grep -PHn -r -- (string escape --style=regex -- $str) src/ |
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head -n1 | string replace -r ':\s.*' '')
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echo "msgid \"$str\""
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echo 'msgstr ""'
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end >messages.pot
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function extract_fish_script_messages --argument-names name regex;
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mkdir -p $tmpdir/$name/share/completions $tmpdir/$name/share/functions
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for f in share/config.fish share/completions/*.fish share/functions/*.fish
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# Extract messages from fish script.
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# This is done by creating a file which has the message strings in the same lines as the
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# oritinal, in the form:
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# N_ "message"
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# All other lines will be empty.
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# Multiple messages on a single line are not supported.
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# Start by transforming the matching lines according to $explicit_regex and adding 'N_ ' as
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# a prefix.
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# Then, replace all lines without this prefix by empty lines.
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# These lines are kept to ensure that the correct line number makes it into the pot file.
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# Replacing irrelevant lines by empty lines must happen before unescaping, because otherwise
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# multi-line commands (lines ending on \) would get merged, changing the line count.
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# Double quotes are escaped, and finally unescaped double quotes are added around the string.
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# The result will be a file consisting of empty lines and potentially some lines prefixed with
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# 'N_ ', followed by a double-quoted string.
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string replace --regex $regex 'N_ $1' <$f |
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sed '/^N_ / !{s/^.*$//}' |
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string unescape |
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string replace --all '"' '\\"' |
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string replace --regex '^N_ (.*)$' 'N_ "$1"' \
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>$tmpdir/$name/$f
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end
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end
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# This regex handles descriptions for `complete` and `function` statements. These messages are not
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# particularly important to translate. Hence the "implicit" label.
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set -l implicit_regex '(?:^| +)(?:complete|function).*? (?:-d|--description) (([\'"]).+?(?<!\\\\)\\2).*'
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extract_fish_script_messages implicit $implicit_regex
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# This regex handles explicit requests to translate a message. These are more important to translate
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# than messages which should be implicitly translated.
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set -l explicit_regex '.*\( *_ (([\'"]).+?(?<!\\\\)\\2) *\).*'
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extract_fish_script_messages explicit $explicit_regex
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xgettext -j -k -kN_ -LShell --from-code=UTF-8 -cDescription --no-wrap -o messages.pot $tmpdir/{ex,im}plicit/share/*/*.fish
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# Remove the tmpdir from the location to avoid churn
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sed -i 's_^#: /.*/share/_#: share/_' messages.pot
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rm -r $tmpdir
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