Add --config-file to --help and shell completions

Author: strager

completions/_quick-lint-js

@@ -17,7 +17,8 @@ function _quick-lint-js() {
         '(- *)'--help'[Print help message]'
         '(- *)'--version'[Print version information]'
         '(--lsp-server)*:file:_files'
-        '(--stdin --exit-fail-on --output-format *)'--lsp-server'[Run quick-lint-js in LSP server mode]'
+        '(--config-file --stdin --exit-fail-on --output-format *)'--lsp-server'[Run quick-lint-js in LSP server mode]'
+        '(--lsp-server)--config-file=[Read configuration from a JSON file for later input files]:file:_files'
         '(--lsp-server)--stdin[Read standard input as a JavaScript file]'
         '(--lsp-server)--exit-fail-on=[Fail with a non-zero exit code if any of these errors are found (default\: "all")]'
         '(--lsp-server)--output-format=[Format to print feedback where FORMAT is one of\: gnu-like (default if omitted), vim-qflist-json]:format:->format'

completions/quick-lint-js.bash

@@ -5,9 +5,14 @@ _quick-lint-js () {
         local cur opts
         _init_completion -n = || return
 
-        opts='--help --version --lsp-server --stdin --exit-fail-on= --output-format= --vim-file-bufnr='
+        opts='--help --version --lsp-server --config-file= --stdin --exit-fail-on= --output-format= --vim-file-bufnr='
 
         case $cur in
+                --config-file=*)
+                        _split_longopt
+                        _filedir
+                        return
+                        ;;
                 --output-format=*)
                         COMPREPLY=($(compgen -W 'gnu-like vim-qflint-json' -- "${cur#*=}"))
                         return

completions/quick-lint-js.fish

@@ -4,6 +4,7 @@
 complete -c quick-lint-js -l help -d 'Print help message' -f
 complete -c quick-lint-js -l version -d 'Print version information' -f
 complete -c quick-lint-js -l lsp-server -d 'Run quick-lint-js in LSP server mode' -r
+complete -c quick-lint-js -l config-file -d 'Read configuration from a JSON file for later input files' -r
 complete -c quick-lint-js -l stdin -d 'Read standard input as a JavaScript file' -r
 complete -c quick-lint-js -l exit-fail-on -d 'Fail with a non-zero exit code if any of these errors are found (default: "all")' -r
 complete -c quick-lint-js -l output-format -d 'Format to print feedback where FORMAT is one of: gnu-like (default if omitted), vim-qflist-json' -xa 'gnu-like vim-qflist-json'

src/main.cpp

@@ -404,6 +404,8 @@ void print_help_message() {
 
   std::cout << "Usage: quick-lint-js [OPTIONS]... [FILE]...\n\n"
             << "OPTIONS\n";
+  print_option("--config-file=[FILE]",
+               "Read configuration from a JSON file for later input files");
   print_option("--exit-fail-on=[CODES]",
                "Fail with a non-zero exit code if any of these");
   print_option("", "errors are found (default: \"all\")");