Manually add the forgit plugin.

dotfiles/.config/fish/config.fish

@@ -47,3 +47,8 @@ bind \er 'exec fish'
 bind \cg delete-char
 # Replace \ca with \ea because \ca is used as tmux leader key.
 bind \ea beginning-of-line
+
+#-------------------------------------------------------------------------------
+# Forgit plugin requires sourcing to activate abbreviations
+# From https://github.com/wfxr/forgit
+source ./functions/forgit.plugin.fish

dotfiles/.config/fish/functions/forgit.plugin.fish

@@ -0,0 +1,372 @@
+#!/usr/local/bin/fish
+# MIT (c) Chris Apple
+
+function forgit::warn
+    printf "%b[Warn]%b %s\n" '\e[0;33m' '\e[0m' "$argv" >&2;
+end
+
+function forgit::info
+    printf "%b[Info]%b %s\n" '\e[0;32m' '\e[0m' "$argv" >&2;
+end
+
+function forgit::inside_work_tree
+    git rev-parse --is-inside-work-tree >/dev/null;
+end
+
+set forgit_pager "$FORGIT_PAGER"
+set forgit_show_pager "$FORGIT_SHOW_PAGER"
+set forgit_diff_pager "$FORGIT_DIFF_PAGER"
+set forgit_ignore_pager "$FORGIT_IGNORE_PAGER"
+
+test -z "$forgit_pager"; and set forgit_pager (git config core.pager || echo 'cat')
+test -z "$forgit_show_pager"; and set forgit_show_pager (git config pager.show || echo "$forgit_pager")
+test -z "$forgit_diff_pager"; and set forgit_diff_pager (git config pager.diff || echo "$forgit_pager")
+test -z "$forgit_ignore_pager"; and set forgit_ignore_pager (type -q bat >/dev/null 2>&1 && echo 'bat -l gitignore --color=always' || echo 'cat')
+
+# https://github.com/wfxr/emoji-cli
+type -q emojify >/dev/null 2>&1 && set forgit_emojify '|emojify'
+
+# git commit viewer
+function forgit::log
+    forgit::inside_work_tree || return 1
+
+    set files (echo $argv | sed -nE 's/.* -- (.*)/\1/p')
+    set cmd "echo {} |grep -Eo '[a-f0-9]+' |head -1 |xargs -I% git show --color=always % -- $files | $forgit_show_pager"
+
+    if test -n "$FORGIT_COPY_CMD"
+        set copy_cmd $FORGIT_COPY_CMD
+    else
+        set copy_cmd pbcopy
+    end
+
+    set opts "
+        $FORGIT_FZF_DEFAULT_OPTS
+        +s +m --tiebreak=index
+        --bind=\"enter:execute($cmd |env LESS='-R' less)\"
+        --bind=\"ctrl-y:execute-silent(echo {} |grep -Eo '[a-f0-9]+' | head -1 | tr -d '\n' | $copy_cmd)\"
+        $FORGIT_LOG_FZF_OPTS
+    "
+
+    if set -q FORGIT_LOG_GRAPH_ENABLE
+        set graph "--graph"
+    else
+        set graph ""
+    end
+
+    eval "git log $graph --color=always --format='%C(auto)%h%d %s %C(black)%C(bold)%cr' $argv $forgit_emojify" |
+        env FZF_DEFAULT_OPTS="$opts" fzf --preview="$cmd"
+end
+
+## git diff viewer
+function forgit::diff
+    forgit::inside_work_tree || return 1
+    if count $argv > /dev/null
+        if git rev-parse "$1" > /dev/null 2>&1
+            #set commit "$1" && set files ("${@:2}")
+            set commit "$1" && set files "$2"
+        else
+            set files "$argv"
+        end
+    end
+
+    set repo (git rev-parse --show-toplevel)
+    set opts "
+        $FORGIT_FZF_DEFAULT_OPTS
+        +m -0 --bind=\"enter:execute($cmd |env LESS='-R' less)\"
+        $FORGIT_DIFF_FZF_OPTS
+    "
+
+    set cmd "echo {} |sed 's/.*]  //' | xargs -I% git diff --color=always $commit -- '$repo/%' | $forgit_diff_pager"
+
+    eval "git diff --name-only $commit -- $files*| sed -E 's/^(.)[[:space:]]+(.*)\$/[\1]  \2/'" | env FZF_DEFAULT_OPTS="$opts" fzf --preview="$cmd"
+end
+
+# git add selector
+function forgit::add
+    forgit::inside_work_tree || return 1
+    # Add files if passed as arguments
+    count $argv >/dev/null && git add "$argv" && git status --short && return
+
+    set changed (git config --get-color color.status.changed red)
+    set unmerged (git config --get-color color.status.unmerged red)
+    set untracked (git config --get-color color.status.untracked red)
+
+    set extract_file "
+        sed 's/^[[:space:]]*//' |           # remove leading whitespace
+        cut -d ' ' -f 2- |                  # cut the line after the M or ??, this leaves just the filename
+        sed 's/.* -> //' |                  # for rename case
+        sed -e 's/^\\\"//' -e 's/\\\"\$//'  # removes surrounding quotes
+    "
+    set preview "
+        set file (echo {} | $extract_file)
+        # exit
+        if test (git status -s -- \$file | grep '^??') # diff with /dev/null for untracked files
+            git diff --color=always --no-index -- /dev/null \$file | $forgit_diff_pager | sed '2 s/added:/untracked:/'
+        else
+            git diff --color=always -- \$file | $forgit_diff_pager
+        end
+        "
+    set opts "
+        $FORGIT_FZF_DEFAULT_OPTS
+        -0 -m --nth 2..,..
+        $FORGIT_ADD_FZF_OPTS
+    "
+    set files (git -c color.status=always -c status.relativePaths=true status -su |
+        grep -F -e "$changed" -e "$unmerged" -e "$untracked" |
+        sed -E 's/^(..[^[:space:]]*)[[:space:]]+(.*)\$/[\1]  \2/' |   # deal with white spaces internal to fname
+        env FZF_DEFAULT_OPTS="$opts" fzf --preview="$preview" |
+        sh -c "$extract_file") # for rename case
+
+    if test -n "$files"
+        for file in $files
+            echo $file | tr '\n' '\0' | xargs -I{} -0 git add {}
+        end
+        git status --short
+        return
+    end
+    echo 'Nothing to add.'
+end
+
+## git reset HEAD (unstage) selector
+function forgit::reset::head
+    forgit::inside_work_tree || return 1
+    set cmd "git diff --cached --color=always -- {} | $forgit_diff_pager"
+    set opts "
+        $FORGIT_FZF_DEFAULT_OPTS
+        -m -0
+        $FORGIT_RESET_HEAD_FZF_OPTS
+    "
+    set files (git diff --cached --name-only --relative | env FZF_DEFAULT_OPTS="$opts" fzf --preview="$cmd")
+    if test -n "$files"
+        for file in $files
+            echo $file | tr '\n' '\0' |xargs -I{} -0 git reset -q HEAD {}
+        end
+        git status --short
+        return
+    end
+    echo 'Nothing to unstage.'
+end
+
+# git checkout-restore selector
+function forgit::checkout_file
+    forgit::inside_work_tree || return 1
+
+    set cmd "git diff --color=always -- {} | $forgit_diff_pager"
+    set opts "
+        $FORGIT_FZF_DEFAULT_OPTS
+        -m -0
+        $FORGIT_CHECKOUT_FZF_OPTS
+    "
+    set git_rev_parse (git rev-parse --show-toplevel)
+    set files (git ls-files --modified "$git_rev_parse" | env FZF_DEFAULT_OPTS="$opts" fzf --preview="$cmd")
+    if test -n "$files"
+        for file in $files
+            echo $file | tr '\n' '\0' | xargs -I{} -0 git checkout -q {}
+        end
+        git status --short
+        return
+    end
+    echo 'Nothing to restore.'
+end
+
+# git stash viewer
+function forgit::stash::show
+    forgit::inside_work_tree || return 1
+    set cmd "echo {} |cut -d: -f1 |xargs -I% git stash show --color=always --ext-diff % |$forgit_diff_pager"
+    set opts "
+        $FORGIT_FZF_DEFAULT_OPTS
+        +s +m -0 --tiebreak=index --bind=\"enter:execute($cmd |env LESS='-R' less)\"
+        $FORGIT_STASH_FZF_OPTS
+    "
+    git stash list | env FZF_DEFAULT_OPTS="$opts" fzf --preview="$cmd"
+end
+
+# git clean selector
+function forgit::clean
+    forgit::inside_work_tree || return 1
+
+    set opts "
+        $FORGIT_FZF_DEFAULT_OPTS
+        -m -0
+        $FORGIT_CLEAN_FZF_OPTS
+    "
+
+    set files (git clean -xdffn $argv| awk '{print $3}'| env FZF_DEFAULT_OPTS="$opts" fzf |sed 's#/$##')
+
+    if test -n "$files"
+        for file in $files
+            echo $file | tr '\n' '\0'| xargs -0 -I{} git clean -xdff {}
+        end
+        git status --short
+        return
+    end
+    echo 'Nothing to clean.'
+end
+
+function forgit::cherry::pick
+    forgit::inside_work_tree || return 1
+    set base (git branch --show-current)
+    if not count $argv > /dev/null
+        echo "Please specify target branch"
+        return 1
+    end
+    set target $argv[1]
+    set preview "echo {1} | xargs -I% git show --color=always % | $forgit_show_pager"
+    set opts "
+        $FORGIT_FZF_DEFAULT_OPTS
+        -m -0
+    "
+    echo $base
+    echo $target
+    git cherry "$base" "$target" --abbrev -v | cut -d ' ' -f2- |
+        env FZF_DEFAULT_OPTS="$opts" fzf --preview="$preview" | cut -d' ' -f1 |
+        xargs -I% git cherry-pick %
+end
+
+# git ignore generator
+if test -z "$FORGIT_GI_REPO_REMOTE"
+    set -x FORGIT_GI_REPO_REMOTE https://github.com/dvcs/gitignore
+end
+
+if test -z "$FORGIT_GI_REPO_LOCAL"
+    if test "XDG_CACHE_HOME"
+        set -x FORGIT_GI_REPO_LOCAL $XDG_CACHE_HOME/forgit/gi/repos/dvcs/gitignore
+    else
+        set -x FORGIT_GI_REPO_LOCAL $HOME/.cache/forgit/gi/repos/dvcs/gitignore
+    end
+end
+
+if test -z "$FORGIT_GI_TEMPLATES"
+    set -x FORGIT_GI_TEMPLATES $FORGIT_GI_REPO_LOCAL/templates
+end
+
+function forgit::ignore
+    if not test -d "$FORGIT_GI_REPO_LOCAL"
+        forgit::ignore::update
+    end
+
+    set cmd "$forgit_ignore_pager $FORGIT_GI_TEMPLATES/{2}{,.gitignore} 2>/dev/null"
+    set opts "
+        $FORGIT_FZF_DEFAULT_OPTS
+        -m --preview-window='right:70%'
+        $FORGIT_IGNORE_FZF_OPTS
+    "
+    set IFS '\n'
+
+    set args $argv
+    if not count $argv > /dev/null
+        set args (forgit::ignore::list | nl -nrn -w4 -s'  ' |
+        env FZF_DEFAULT_OPTS="$opts" fzf --preview="$cmd"  |awk '{print $2}')
+    end
+
+     if not count $args > /dev/null
+         return 1
+     end
+
+     forgit::ignore::get $args
+end
+
+function forgit::ignore::update
+    if test -d "$FORGIT_GI_REPO_LOCAL"
+        forgit::info 'Updating gitignore repo...'
+        set pull_result (git -C "$FORGIT_GI_REPO_LOCAL" pull --no-rebase --ff)
+        test -n "$pull_result" || return 1
+    else
+        forgit::info 'Initializing gitignore repo...'
+        git clone --depth=1 "$FORGIT_GI_REPO_REMOTE" "$FORGIT_GI_REPO_LOCAL"
+    end
+end
+
+function forgit::ignore::get
+    for item in $argv
+        set filename (find -L "$FORGIT_GI_TEMPLATES" -type f \( -iname "$item.gitignore" -o -iname "$item}" \) -print -quit)
+        if test -n "$filename"
+            set header $filename && set header (echo $filename | sed 's/.*\.//')
+            echo "### $header" && cat "$filename" && echo
+        else
+            forgit::warn "No gitignore template found for '$item'." && continue
+        end
+    end
+end
+
+function forgit::ignore::list
+    find "$FORGIT_GI_TEMPLATES" -print |sed -e 's#.gitignore$##' -e 's#.*/##' | sort -fu
+end
+
+function forgit::ignore::clean
+    setopt localoptions rmstarsilent
+    [[ -d "$FORGIT_GI_REPO_LOCAL" ]] && rm -rf "$FORGIT_GI_REPO_LOCAL"
+end
+
+set FORGIT_FZF_DEFAULT_OPTS "
+$FZF_DEFAULT_OPTS
+--ansi
+--height='80%'
+--bind='alt-k:preview-up,alt-p:preview-up'
+--bind='alt-j:preview-down,alt-n:preview-down'
+--bind='ctrl-r:toggle-all'
+--bind='ctrl-s:toggle-sort'
+--bind='?:toggle-preview'
+--bind='alt-w:toggle-preview-wrap'
+--preview-window='right:60%'
++1
+$FORGIT_FZF_DEFAULT_OPTS
+"
+
+# register aliases
+if test -z "$FORGIT_NO_ALIASES"
+    if test -n "$forgit_add"
+        alias $forgit_add 'forgit::add'
+    else
+        alias ga 'forgit::add'
+    end
+
+    if test -n "$forgit_reset_head"
+        alias $forgit_reset_head 'forgit::reset::head'
+    else
+        alias grh 'forgit::reset::head'
+    end
+
+    if test -n "$forgit_log"
+        alias $forgit_log 'forgit::log'
+    else
+        alias glo 'forgit::log'
+    end
+
+    if test -n "$forgit_diff"
+        alias $forgit_diff 'forgit::diff'
+    else
+        alias gd 'forgit::diff'
+    end
+
+    if test -n "$forgit_ignore"
+        alias $forgit_ignore 'forgit::ignore'
+    else
+        alias gi 'forgit::ignore'
+    end
+
+    if test -n "$forgit_restore"
+        alias $forgit_restore 'forgit::checkout_file'
+    else
+        alias gcf 'forgit::checkout_file'
+    end
+
+    if test -n "$forgit_clean"
+        alias $forgit_clean 'forgit::clean'
+    else
+        alias gclean 'forgit::clean'
+    end
+
+    if test -n "$forgit_stash_show"
+        alias $forgit_stash_show 'forgit::stash::show'
+    else
+        alias gss 'forgit::stash::show'
+    end
+
+    if test -n "$forgit_cherry_pick"
+        alias $forgit_cherry_pick 'forgit::cherry::pick'
+    else
+        alias gcp 'forgit::cherry::pick'
+    end
+end
+