fzf-git: create fzf-git plugin

Create plugin to add shortcuts for git operations using FZF

plugins/fzf-git/fzf-git.plugin.zsh

@@ -0,0 +1,128 @@
+# Git completions powered by FZF
+#
+# Based on:
+# - https://github.com/junegunn/fzf/wiki/Examples-(completion)
+# - https://gist.github.com/junegunn/8b572b8d4b5eddd8b85e5f4d40f17236
+# - https://github.com/hschne/fzf-git
+
+fzf-git::is_in_git_repo() { git rev-parse HEAD > /dev/null 2>&1 }
+
+fzf-git::fzf_down() { fzf --height 50% "$@" --border }
+
+fzf-git::join-lines() {
+  local item
+  while read item; do
+    echo -n "${(q)item} "
+  done
+}
+
+# Git Status [C-g C-s] {{{
+
+fzf-git::status() {
+  fzf-git::is_in_git_repo || return
+  git -c color.status=always status --short |
+  fzf-git::fzf_down -m --ansi --nth 2..,.. \
+    --preview '(git diff --color=always -- {-1} | sed 1,4d; cat {-1}) | head -500' |
+  cut -c4- | sed 's/.* -> //'
+}
+
+fzf-git::status-widget() {
+  local result=$(fzf-git::status | fzf-git::join-lines)
+  zle reset-prompt
+  LBUFFER+=$result
+}
+
+zle -N fzf-git::status-widget
+
+bindkey '^g^s' fzf-git::status-widget
+
+# }}}
+
+# Git Branch [C-g C-b] {{{
+
+fzf-git::branch() {
+  fzf-git::is_in_git_repo || return
+  git branch -a --color=always | grep -v '/HEAD\s' | sort |
+  fzf-git::fzf_down --ansi --multi --tac --preview-window right:70% \
+    --preview 'git log --oneline --graph --date=short --color=always --pretty="format:%C(auto)%cd %h%d %s" $(sed s/^..// <<< {} | cut -d" " -f1) | head -'$LINES |
+  sed 's/^..//' | cut -d' ' -f1 |
+  sed 's#^remotes/##'
+}
+
+fzf-git::branch-widget() {
+  local result=$(fzf-git::branch | fzf-git::join-lines)
+  zle reset-prompt
+  LBUFFER+=$result
+}
+
+zle -N fzf-git::branch-widget
+
+bindkey '^g^b' fzf-git::branch-widget
+
+# }}}
+
+# Git Tag [C-g C-t] {{{
+
+fzf-git::tag() {
+  fzf-git::is_in_git_repo || return
+  git tag --sort -creatordate |
+  fzf-git::fzf_down --multi --preview-window right:70% \
+    --preview 'git show --color=always {} | head -'$LINES
+}
+
+fzf-git::tag-widget() {
+  local result=$(fzf-git::tag | fzf-git::join-lines)
+  zle reset-prompt
+  LBUFFER+=$result
+}
+
+zle -N fzf-git::tag-widget
+
+bindkey '^g^t' fzf-git::tag-widget
+
+# }}}
+
+# Git Log [C-g C-l] {{{
+
+fzf-git::log() {
+  fzf-git::is_in_git_repo || return
+  git log --date=short --format="%C(green)%C(bold)%cd %C(auto)%h%d %s (%an)" --graph --color=always |
+  fzf-git::fzf_down --ansi --no-sort --reverse --multi --bind 'ctrl-s:toggle-sort' \
+    --header 'Press CTRL-S to toggle sort' \
+    --preview 'grep -o "[a-f0-9]\{7,\}" <<< {} | xargs git show --color=always | head -'$LINES |
+  grep -o "[a-f0-9]\{7,\}"
+}
+
+fzf-git::log-widget() {
+  local result=$(fzf-git::log | fzf-git::join-lines)
+  zle reset-prompt
+  LBUFFER+=$result
+}
+
+zle -N fzf-git::log-widget
+
+bindkey '^g^l' fzf-git::log-widget
+
+# }}}
+
+# Git Remote [C-g C-r] {{{
+
+fzf-git::remote() {
+  fzf-git::is_in_git_repo || return
+  git remote -v | awk '{print $1 "\t" $2}' | uniq |
+  fzf-git::fzf_down --tac \
+    --preview 'git log --oneline --graph --date=short --pretty="format:%C(auto)%cd %h%d %s" {1} | head -200' |
+  cut -d$'\t' -f1
+}
+
+fzf-git::remote-widget() {
+  local result=$(fzf-git::remote | fzf-git::join-lines)
+  zle reset-prompt
+  LBUFFER+=$result
+}
+
+zle -N fzf-git::remote-widget
+
+bindkey '^g^r' fzf-git::remote-widget
+
+# }}}