Use posix stderr redirection (2> instead of ^)

Fish is deprecating `^` as a shortcut for stderr redirection.
Replace with the more common and compatible `2>`.

Fixes #609

README.md

@@ -34,7 +34,7 @@ fish install --path=~/.local/share/omf --config=~/.config/omf
 You can verify the integrity of the downloaded installer by verifying the script against [this checksum](bin/install.sha256):
 
 ```
-06844ca6876fac0ea949c8089d8c5f71e14b69d2bb1dc41f1d0677250a1c62e1  install
+434264c56e3a7bb74733d9b293d72403c404e0a0bded3e632433d391d302504e  install
 ```
 
 You can also install Oh My Fish with Git or with an offline source tarball downloaded from the [releases page][releases]:

bin/install

@@ -186,7 +186,7 @@ function install_from_github
 
   if test $OMF_CHANNEL = stable
     # Get the commit for the latest release.
-    set -l hash (command git --git-dir "$OMF_PATH/.git" --work-tree "$OMF_PATH" rev-list --tags='v*' --max-count=1 ^ /dev/null)
+    set -l hash (command git --git-dir "$OMF_PATH/.git" --work-tree "$OMF_PATH" rev-list --tags='v*' --max-count=1 2> /dev/null)
       # Get the release tag.
       and set -l tag (command git --git-dir "$OMF_PATH/.git" --work-tree "$OMF_PATH" describe --tags $hash)
       # Checkout the release.
@@ -365,11 +365,11 @@ function uninstall_omf
   is_install_dir "$OMF_PATH"
     or abort "No installation detected at $OMF_PATH"
 
-  say (set_color -o red ^ /dev/null)"This will uninstall Oh My Fish and all plugins and themes from $OMF_PATH."(set_color normal ^ /dev/null)
+  say (set_color -o red 2> /dev/null)"This will uninstall Oh My Fish and all plugins and themes from $OMF_PATH."(set_color normal 2> /dev/null)
 
   # If we installed the bootstrap to the user's config, let them know they need to remove it themselves.
   if begin; test -f "$FISH_CONFIG/config.fish"; and grep -q OMF_PATH "$FISH_CONFIG/config.fish"; end
-    say (set_color -o ^ /dev/null)"Your configuration will not be modified. You may need to remove Oh My Fish startup code from $FISH_CONFIG/config.fish."(set_color normal ^ /dev/null)
+    say (set_color -o 2> /dev/null)"Your configuration will not be modified. You may need to remove Oh My Fish startup code from $FISH_CONFIG/config.fish."(set_color normal 2> /dev/null)
   end
 
   confirm_yes "Are you sure you want to continue?"
@@ -420,7 +420,7 @@ function backup_file -a file_path
   say "Existent $file found at $path"
   say "↳ Moving to $backup_file"
 
-  if not command cp "$file_path" $backup_file ^/dev/null
+  if not command cp "$file_path" $backup_file 2> /dev/null
     abort "Could not backup $file_path"
   end
 
@@ -441,7 +441,7 @@ function restore_backup_file -a file_path
 
     if confirm "Would you like to restore it (overwrite existing)?"
       say "Restoring backup file to $path/$file"
-      command mv "$backup_file_path" "$path/$file" ^/dev/null
+      command mv "$backup_file_path" "$path/$file" 2> /dev/null
         or abort "Could not restore backup $backup_file_path"
     end
   end
@@ -467,7 +467,7 @@ function sane_environment_check
     or abort (which sort)" is not a sane 'sort' implementation"
 
   debug "Checking for a working AWK interpreter"
-  cmd awk 'BEGIN{exit 42;}' < /dev/null ^ /dev/null
+  cmd awk 'BEGIN{exit 42;}' < /dev/null 2> /dev/null
   if not test $status -eq 42
     abort (which awk)" does not look like an AWK interpreter."
   end
@@ -501,7 +501,7 @@ end
 
 # Gets the version of Git installed.
 function get_git_version
-  type -f git > /dev/null ^ /dev/null
+  type -f git > /dev/null 2> /dev/null
     and command git --version | command cut -d' ' -f3
 end
 
@@ -516,7 +516,7 @@ end
 
 # Checks if OMF is set up properly and working.
 function is_omf_loaded
-  command fish -c "omf --version" > /dev/null ^&1
+  command fish -c "omf --version" > /dev/null 2>&1
 end
 
 
@@ -561,7 +561,7 @@ function assert_cmds
   set -l cmds awk basename cp cut date dirname env fish fold head mkdir mv readlink rm sed sort tar tr which
 
   for cmd in $cmds
-    type -f $cmd > /dev/null ^ /dev/null
+    type -f $cmd > /dev/null 2> /dev/null
       or abort "Missing required command: $cmd"
 
     debug "Command '$cmd' is "(which $cmd)
@@ -575,14 +575,14 @@ function assert_interactive
     and return
 
   test -c /dev/tty -a -r /dev/tty
-    and echo -n > /dev/tty ^ /dev/null
+    and echo -n > /dev/tty 2> /dev/null
     or abort "Running interactively, but can't read from tty (try running with --noninteractive)"
 end
 
 
 # A link-following `which` wrapper.
 function which
-  if type realpath > /dev/null ^ /dev/null
+  if type realpath > /dev/null 2> /dev/null
     realpath (command which $argv)
   else
     command readlink (command which $argv)
@@ -595,7 +595,7 @@ function cmd
   if set -q VERBOSE
     command env $argv
   else
-    command env $argv ^ /dev/null
+    command env $argv 2> /dev/null
   end
 end
 
@@ -621,9 +621,9 @@ function abort -a message code
   end
 
   if test -n "$message"
-    printf "%sInstall aborted: $message%s\n" (set_color -o red ^ /dev/null) (set_color normal ^ /dev/null) >&2
+    printf "%sInstall aborted: $message%s\n" (set_color -o red 2> /dev/null) (set_color normal 2> /dev/null) >&2
   else
-    printf "%sInstall aborted%s\n" (set_color -o red ^ /dev/null) (set_color normal ^ /dev/null) >&2
+    printf "%sInstall aborted%s\n" (set_color -o red 2> /dev/null) (set_color normal 2> /dev/null) >&2
   end
 
   exit $code
@@ -640,7 +640,7 @@ function confirm -a message
   set -q NONINTERACTIVE
     and return 1
 
-  printf "%s$message (y/N): %s" (set_color yellow ^ /dev/null) (set_color normal ^ /dev/null)
+  printf "%s$message (y/N): %s" (set_color yellow 2> /dev/null) (set_color normal 2> /dev/null)
   read -l answer < /dev/tty
     or abort "Failed to read from tty"
 

bin/install.sha256

-06844ca6876fac0ea949c8089d8c5f71e14b69d2bb1dc41f1d0677250a1c62e1  install
+434264c56e3a7bb74733d9b293d72403c404e0a0bded3e632433d391d302504e  install

init.fish

@@ -5,7 +5,7 @@ if not set -q OMF_CONFIG
 end
 # Source custom before.init.fish file
 test -f $OMF_CONFIG/before.init.fish
-  and source $OMF_CONFIG/before.init.fish ^/dev/null
+  and source $OMF_CONFIG/before.init.fish 2> /dev/null
 emit perf:timer:start "Oh My Fish initialisation"
 # Read current theme
 test -f $OMF_CONFIG/theme

lib/git/git_ahead.fish

 function git_ahead -a ahead behind diverged none
   not git_is_repo; and return
 
-  set -l commit_count (command git rev-list --count --left-right "@{upstream}...HEAD" ^/dev/null)
+  set -l commit_count (command git rev-list --count --left-right "@{upstream}...HEAD" 2> /dev/null)
 
   switch "$commit_count"
   case ""

lib/git/git_branch_name.fish

 function git_branch_name -d "Get current branch name"
   git_is_repo; and begin
-    command git symbolic-ref --short HEAD ^/dev/null;
-      or command git show-ref --head -s --abbrev | head -n1 ^/dev/null
+    command git symbolic-ref --short HEAD 2> /dev/null;
+      or command git show-ref --head -s --abbrev | head -n1 2> /dev/null
   end
 end

lib/git/git_is_repo.fish

 function git_is_repo -d "Check if directory is a repository"
-  test -d .git; or command git rev-parse --git-dir >/dev/null ^/dev/null
+  test -d .git; or command git rev-parse --git-dir >/dev/null 2> /dev/null
 end

pkg/fish-spec/functions/fish-spec.fish

@@ -13,7 +13,7 @@ function fish-spec
   end
 
   # Load helper file
-  source spec/helper.fish ^/dev/null
+  source spec/helper.fish 2> /dev/null
 
   emit all_specs_init
 

pkg/omf/functions/bundle/omf.bundle.add.fish

@@ -8,7 +8,7 @@ function omf.bundle.add -a type name_or_url
   set -l record "$type $name_or_url"
 
   if test -f $bundle
-    if not grep $record $bundle > /dev/null ^&1
+    if not grep $record $bundle > /dev/null 2>&1
       echo $record >> $bundle
     end
   else

pkg/omf/functions/cli/omf.cli.help.fish

@@ -13,10 +13,10 @@ function omf.cli.help
     set doc $doc_root/$command.adoc
   end
 
-  set -l r (set_color normal ^ /dev/null)
-  set -l c (set_color cyan ^ /dev/null)
-  set -l b (set_color --bold ^ /dev/null)
-  set -l u (set_color --underline ^ /dev/null)
+  set -l r (set_color normal 2> /dev/null)
+  set -l c (set_color cyan 2> /dev/null)
+  set -l b (set_color --bold 2> /dev/null)
+  set -l u (set_color --underline 2> /dev/null)
 
   # Format the help document for the terminal.
   fold -s -w 78 $doc | sed -e "

pkg/omf/functions/cli/omf.cli.reload.fish

 function omf.cli.reload
   if not contains -- --force $argv
-    if count (jobs) >/dev/null ^&1
+    if count (jobs) >/dev/null 2>&1
       __omf.cli.reload.job_warning
       return 1
     end

pkg/omf/functions/core/omf.core.update.fish

@@ -4,10 +4,10 @@ function omf.core.update
     # If the channel isn't explicitly set and we are currently tracking a branch instead of a version, the user probably
     # upgraded from an old version. Let them know that we will start updating to stable versions.
     if begin; not test -f $OMF_CONFIG/channel; and command git -C "$OMF_PATH" symbolic-ref -q HEAD > /dev/null; end
-      set_color yellow --bold ^ /dev/null
+      set_color yellow --bold 2> /dev/null
       echo ">> You have been switched to the stable release channel of Oh My Fish."
       echo ">> To switch back to the development channel, run `omf channel dev`."
-      set_color normal ^ /dev/null
+      set_color normal 2> /dev/null
     end
 
     # Determine the remote to fetch from.
@@ -19,7 +19,7 @@ function omf.core.update
     # Fetch the latest tags.
     command git -C "$OMF_PATH" fetch --quiet --tags $remote
       # Get the commit for the latest release.
-      and set -l hash (command git -C "$OMF_PATH" rev-list --tags='v*' --max-count=1 ^ /dev/null)
+      and set -l hash (command git -C "$OMF_PATH" rev-list --tags='v*' --max-count=1 2> /dev/null)
       # Get the release tag.
       and set -l tag (command git -C "$OMF_PATH" describe --tags $hash)
       # Checkout the release.

pkg/omf/functions/index/omf.index.repositories.fish

@@ -46,7 +46,7 @@ function omf.index.repositories -d 'Manage package repositories'
       end
 
       # Before we add, do a quick ls-remote to see if the URL is a valid repo.
-      if not command git ls-remote --exit-code $repo_url refs/heads/$repo_branch > /dev/null ^&1
+      if not command git ls-remote --exit-code $repo_url refs/heads/$repo_branch > /dev/null 2>&1
         echo "The remote repository could not be found." >&2
         return 1
       end

pkg/omf/functions/packages/omf.packages.new.fish

@@ -35,7 +35,7 @@ function __omf.packages.new.from_template -a path github user name
       end)$target
     end
   end
-  popd >/dev/null ^&1
+  popd >/dev/null 2>&1
 end
 
 

pkg/omf/functions/packages/omf.packages.remove.fish

@@ -17,7 +17,7 @@ function omf.packages.remove -a pkg
 
     # Run uninstall hook first.
     omf.packages.run_hook $path uninstall
-    source $path/uninstall.fish ^/dev/null;
+    source $path/uninstall.fish 2> /dev/null;
       and emit uninstall_$pkg
 
     if rm -rf $path

pkg/omf/functions/util/omf.check.fish_prompt.fish

@@ -3,7 +3,7 @@ function omf.check.fish_prompt
   set -l theme (cat $OMF_CONFIG/theme)
 
   set -l user_functions_path (omf.xdg.config_home)/fish/functions
-  set -l fish_prompt (readlink "$user_functions_path/$prompt_file" ^/dev/null)
+  set -l fish_prompt (readlink "$user_functions_path/$prompt_file" 2> /dev/null)
 
   not test -e "$fish_prompt"; and return 0
   contains -- "$fish_prompt" {$OMF_CONFIG,$OMF_PATH}/themes/$theme/$prompt_file

pkg/omf/init.fish

@@ -4,23 +4,23 @@ set -g OMF_INVALID_ARG   3
 set -g OMF_UNKNOWN_ERR   4
 
 function omf::em
-  set_color cyan ^ /dev/null
+  set_color cyan 2> /dev/null
 end
 
 function omf::dim
-  set_color 555 ^ /dev/null
+  set_color 555 2> /dev/null
 end
 
 function omf::err
-  set_color red --bold ^ /dev/null
+  set_color red --bold 2> /dev/null
 end
 
 function omf::under
-  set_color --underline ^ /dev/null
+  set_color --underline 2> /dev/null
 end
 
 function omf::off
-  set_color normal ^ /dev/null
+  set_color normal 2> /dev/null
 end
 
 autoload $path/functions/{compat,core,index,packages,themes,bundle,util,repo,cli,search}

pkg/omf/spec/basic_spec.fish

@@ -14,7 +14,7 @@ function describe_basic_tests
   end
 
   function it_install_packages
-    set -l remove_output  (omf remove apt ^/dev/null)
+    set -l remove_output  (omf remove apt 2> /dev/null)
     set -l install_output (omf install apt)
 
     assert 0 = $status