Fish completions

Vagrantfile

@@ -18,8 +18,11 @@ Vagrant.configure(2) do |config|
 
     # Install the dependencies needed for exa to build, as quietly as
     # apt can do.
-    config.vm.provision :shell, privileged: true, inline:
-        %[apt-get install -qq -o=Dpkg::Use-Pty=0 -y git cmake libgit2-dev curl attr pkg-config]
+    config.vm.provision :shell, privileged: true, inline: <<-EOF
+        apt-get install -qq -o=Dpkg::Use-Pty=0 -y \
+          git cmake curl attr pkg-config libgit2-dev \
+          fish
+    EOF
 
 
     # Guarantee that the timezone is UTC -- some of the tests
@@ -45,6 +48,13 @@ Vagrant.configure(2) do |config|
           grep -q -F "$2" $1 || echo "$2" >> $1
         }
 
+        put_line ~/.bashrc 'export CARGO_TARGET_DIR=/home/#{developer}/target'
+    EOF
+
+
+    # Create "dexa" and "rexa" scripts that run the debug and release
+    # compiled versions of exa.
+    config.vm.provision :shell, privileged: true, inline: <<-EOF
         echo -e "#!/bin/sh\necho \"Use 'dexa' for debug exa, or 'rexa' for release exa\"" > /usr/bin/exa
         echo -e "#!/bin/sh\n/home/#{developer}/target/debug/exa" > /usr/bin/dexa
         echo -e "#!/bin/sh\n/home/#{developer}/target/release/exa" > /usr/bin/rexa
@@ -52,6 +62,13 @@ Vagrant.configure(2) do |config|
     EOF
 
 
+    # Link the completion files so they’re “installed”.
+    config.vm.provision :shell, privileged: true, inline: <<-EOF
+        test -f /usr/share/fish/completions/exa.fish \
+          || ln -s /vagrant/contrib/completions.fish /usr/share/fish/completions/exa.fish
+    EOF
+
+
     # We create two users that own the test files.
     # The first one just owns the ordinary ones, because we don’t want the
     # test outputs to depend on “vagrant” or “ubuntu” existing.

contrib/completions.fish

@@ -0,0 +1,62 @@
+# Meta-stuff
+complete -c exa -s 'v' -l 'version' -d "Show version of exa"
+complete -c exa -s '?' -l 'help'    -d "Show list of command-line options"
+
+# Display options
+complete -c exa -s '1' -l 'oneline'      -d "Display one entry per line"
+complete -c exa -s 'G' -l 'grid'         -d "Display entries in a grid"
+complete -c exa -s 'l' -l 'long'         -d "Display extended details and attributes"
+complete -c exa -s 'R' -l 'recurse'      -d "Recurse into directories"
+complete -c exa -s 'T' -l 'tree'         -d "Recurse into directories as a tree"
+complete -c exa -s 'x' -l 'across'       -d "Sort multi-column view entries accross"
+complete -c exa -s 'F' -l 'classify'     -d "Display type indicator by file names"
+complete -c exa        -l 'color'        -d "When to use terminal colours"
+complete -c exa        -l 'colour'       -d "When to use terminal colours"
+complete -c exa        -l 'color-scale'  -d "Highlight levels of file sizes distinctly"
+complete -c exa        -l 'colour-scale' -d "Highlight levels of file sizes distinctly"
+
+# Filtering and sorting options
+complete -c exa -l 'group-directories-first' -d "Sort directories before other files"
+complete -c exa -s 'a' -l 'all'       -d "Don't hide hidden and 'dot' files"
+complete -c exa -s 'd' -l 'list-dirs' -d "List directories like regular files"
+complete -c exa -s 'r' -l 'reverse'   -d "Reverse the sort order"
+complete -c exa -s 's' -l 'sort'   -x -d "Which field to sort by" -a "
+    accessed\t'Sort by file accessed time'
+    created\t'Sort by file modified time'
+    ext\t'Sort by file extension'
+    Ext\t'Sort by file extension (case-insensitive)'
+    extension\t'Sort by file extension'
+    Extension\t'Sort by file extension (case-insensitive)'
+    filename\t'Sort by filename'
+    Filename\t'Sort by filename (case-insensitive)'
+    inode\t'Sort by file inode'
+    modified\t'Sort by file modified time'
+    name\t'Sort by filename'
+    Name\t'Sort by filename (case-insensitive)'
+    none\t'Do not sort files at all'
+    size\t'Sort by file size'
+"
+
+complete -c exa -s 'I' -l 'ignore-glob' -d "Ignore files that match these glob patterns" -r
+
+# Long view options
+complete -c exa -s 'b' -l 'binary'   -d "Display file sizes with binary prefixes"
+complete -c exa -s 'B' -l 'bytes'    -d "Display file sizes in bytes, without any prefixes"
+complete -c exa -s 'g' -l 'group'    -d "Show each file's group"
+complete -c exa -s 'h' -l 'header'   -d "Add a header row to each column"
+complete -c exa -s 'h' -l 'links'    -d "Show each file's number of hard links"
+complete -c exa -s 'g' -l 'group'    -d "Show each file's inode number"
+complete -c exa -s 'L' -l 'level'    -d "Limit the depth of recursion" -a "1 2 3 4 5 6 7 8 9"
+complete -c exa -s 'm' -l 'modified' -d "Use the modified timestamp field"
+complete -c exa -s 'S' -l 'blocks'   -d "Show each file's number of filesystem blocks"
+complete -c exa -s 't' -l 'time'  -x -d "Which time field to show" -a "
+    accessed\t'Display accessed time'
+    created\t'Display created time'
+    modified\t'Display modified time'
+"
+complete -c exa -s 'u' -l 'accessed' -d "Use the accessed timestamp field"
+complete -c exa -s 'U' -l 'created'  -d "Use the created timestamp field"
+
+# Optional extras
+complete -c exa -s 'g' -l 'git'      -d "Show the group column"
+complete -c exa -s '@' -l 'extended' -d "Show each file's extended attributes and sizes"