Add forgit to config

2 files changed, 213 insertions, 0 deletions

diff --git a/Shell/forgit.plugin.zsh b/Shell/forgit.plugin.zsh
new file mode 100644
index 0000000..35e54a1
--- /dev/null
+++ b/Shell/forgit.plugin.zsh
@@ -0,0 +1,211 @@
+# MIT (c) Wenxuan Zhang
+
+forgit::warn() { printf "%b[Warn]%b %s\n" '\e[0;33m' '\e[0m' "$@" >&2; }
+forgit::info() { printf "%b[Info]%b %s\n" '\e[0;32m' '\e[0m' "$@" >&2; }
+forgit::inside_work_tree() { git rev-parse --is-inside-work-tree >/dev/null; }
+
+# https://github.com/so-fancy/diff-so-fancy
+hash diff-so-fancy &>/dev/null && forgit_fancy='|diff-so-fancy'
+# https://github.com/wfxr/emoji-cli
+hash emojify &>/dev/null && forgit_emojify='|emojify'
+
+# git commit viewer
+forgit::log() {
+    forgit::inside_work_tree || return 1
+    local cmd opts
+    cmd="echo {} |grep -Eo '[a-f0-9]+' |head -1 |xargs -I% git show --color=always % $* $forgit_fancy"
+    opts="
+        $FORGIT_FZF_DEFAULT_OPTS
+        +s +m --tiebreak=index --exact --preview=\"$cmd\"
+        --bind=\"enter:execute($cmd |LESS='-R' less)\"
+        --bind=\"ctrl-y:execute-silent(echo {} |grep -Eo '[a-f0-9]+' | head -1 | tr -d '\n' |${FORGIT_COPY_CMD:-pbcopy})\"
+        $FORGIT_LOG_FZF_OPTS
+    "
+    eval "git log --graph --color=always --format='%C(auto)%h%d %s %C(black)%C(bold)%cr' $* $forgit_emojify" |
+        FZF_DEFAULT_OPTS="$opts" fzf
+}
+
+# git diff viewer
+forgit::diff() {
+    forgit::inside_work_tree || return 1
+    local cmd files opts commit
+    [[ $# -ne 0 ]] && {
+        if git rev-parse "$1" -- &>/dev/null ; then
+            commit="$1" && files=("${@:2}")
+        else
+            files=("$@")
+        fi
+    }
+
+    cmd="git diff --color=always $commit -- {} $forgit_fancy"
+    opts="
+        $FORGIT_FZF_DEFAULT_OPTS
+        +m -0 --preview=\"$cmd\" --bind=\"enter:execute($cmd |LESS='-R' less)\"
+        $FORGIT_DIFF_FZF_OPTS
+    "
+    cmd="echo" && hash realpath &>/dev/null && cmd="realpath --relative-to=."
+    eval "git diff --name-only $commit -- ${files[*]}| xargs -I% $cmd '$(git rev-parse --show-toplevel)/%'"|
+        FZF_DEFAULT_OPTS="$opts" fzf
+}
+
+# git add selector
+forgit::add() {
+    forgit::inside_work_tree || return 1
+    local changed unmerged untracked files opts
+    changed=$(git config --get-color color.status.changed red)
+    unmerged=$(git config --get-color color.status.unmerged red)
+    untracked=$(git config --get-color color.status.untracked red)
+
+    opts="
+        $FORGIT_FZF_DEFAULT_OPTS
+        -0 -m --nth 2..,..
+        --preview=\"git diff --color=always -- {-1} $forgit_fancy\"
+        $FORGIT_ADD_FZF_OPTS
+    "
+    files=$(git -c color.status=always -c status.relativePaths=true status --short |
+        grep -F -e "$changed" -e "$unmerged" -e "$untracked" |
+        awk '{printf "[%10s]  ", $1; $1=""; print $0}' |
+        FZF_DEFAULT_OPTS="$opts" fzf | cut -d] -f2 |
+        sed 's/.* -> //') # for rename case
+    [[ -n "$files" ]] && echo "$files" |xargs -I{} git add {} && git status --short && return
+    echo 'Nothing to add.'
+}
+
+# git reset HEAD (unstage) selector
+forgit::reset::head() {
+    forgit::inside_work_tree || return 1
+    local cmd files opts
+    cmd="git diff --cached --color=always -- {} $forgit_fancy"
+    opts="
+        $FORGIT_FZF_DEFAULT_OPTS
+        -m -0 --preview=\"$cmd\"
+        $FORGIT_RESET_HEAD_FZF_OPTS
+    "
+    files="$(git diff --cached --name-only --relative | FZF_DEFAULT_OPTS="$opts" fzf)"
+    [[ -n "$files" ]] && echo "$files" |xargs -I{} git reset -q HEAD {} && git status --short && return
+    echo 'Nothing to unstage.'
+}
+
+# git checkout-restore selector
+forgit::restore() {
+    forgit::inside_work_tree || return 1
+    local cmd files opts
+    cmd="git diff --color=always -- {} $forgit_fancy"
+    opts="
+        $FORGIT_FZF_DEFAULT_OPTS
+        -m -0 --preview=\"$cmd\"
+        $FORGIT_CHECKOUT_FZF_OPTS
+    "
+    files="$(git ls-files --modified "$(git rev-parse --show-toplevel)"| FZF_DEFAULT_OPTS="$opts" fzf)"
+    [[ -n "$files" ]] && echo "$files" |xargs -I{} git checkout {} && git status --short && return
+    echo 'Nothing to restore.'
+}
+
+# git stash viewer
+forgit::stash::show() {
+    forgit::inside_work_tree || return 1
+    local cmd opts
+    cmd="git stash show \$(echo {}| cut -d: -f1) --color=always --ext-diff $forgit_fancy"
+    opts="
+        $FORGIT_FZF_DEFAULT_OPTS
+        +s +m -0 --tiebreak=index --preview=\"$cmd\" --bind=\"enter:execute($cmd |LESS='-R' less)\"
+        $FORGIT_STASH_FZF_OPTS
+    "
+    git stash list | FZF_DEFAULT_OPTS="$opts" fzf
+}
+
+# git clean selector
+forgit::clean() {
+    forgit::inside_work_tree || return 1
+    local files opts
+    opts="
+        $FORGIT_FZF_DEFAULT_OPTS
+        -m -0
+        $FORGIT_CLEAN_FZF_OPTS
+    "
+    # Note: Postfix '/' in directory path should be removed. Otherwise the directory itself will not be removed.
+    files=$(git clean -xdfn "$@"| awk '{print $3}'| FZF_DEFAULT_OPTS="$opts" fzf |sed 's#/$##')
+    [[ -n "$files" ]] && echo "$files" |xargs -I% git clean -xdf % && return
+    echo 'Nothing to clean.'
+}
+
+# git ignore generator
+export FORGIT_GI_REPO_REMOTE=${FORGIT_GI_REPO_REMOTE:-https://github.com/dvcs/gitignore}
+export FORGIT_GI_REPO_LOCAL=${FORGIT_GI_REPO_LOCAL:-~/.forgit/gi/repos/dvcs/gitignore}
+export FORGIT_GI_TEMPLATES=${FORGIT_GI_TEMPLATES:-$FORGIT_GI_REPO_LOCAL/templates}
+
+forgit::ignore() {
+    [ -d "$FORGIT_GI_REPO_LOCAL" ] || forgit::ignore::update
+    local IFS cmd args cat opts
+    # https://github.com/sharkdp/bat.git
+    hash bat &>/dev/null && cat='bat -l gitignore --color=always' || cat="cat"
+    cmd="$cat $FORGIT_GI_TEMPLATES/{2}{,.gitignore} 2>/dev/null"
+    opts="
+        $FORGIT_FZF_DEFAULT_OPTS
+        -m --preview=\"$cmd\" --preview-window='right:70%'
+        $FORGIT_IGNORE_FZF_OPTS
+    "
+    # shellcheck disable=SC2206,2207
+    IFS=$'\n' args=($@) && [[ $# -eq 0 ]] && args=($(forgit::ignore::list | nl -nrn -w4 -s'  ' |
+        FZF_DEFAULT_OPTS="$opts" fzf  |awk '{print $2}'))
+    [ ${#args[@]} -eq 0 ] && return 1
+    # shellcheck disable=SC2068
+    if hash bat &>/dev/null; then
+        forgit::ignore::get ${args[@]} | bat -l gitignore
+    else
+        forgit::ignore::get ${args[@]}
+    fi
+}
+forgit::ignore::update() {
+    if [[ -d "$FORGIT_GI_REPO_LOCAL" ]]; then
+        forgit::info 'Updating gitignore repo...'
+        (cd "$FORGIT_GI_REPO_LOCAL" && git pull --no-rebase --ff) || return 1
+    else
+        forgit::info 'Initializing gitignore repo...'
+        git clone --depth=1 "$FORGIT_GI_REPO_REMOTE" "$FORGIT_GI_REPO_LOCAL"
+    fi
+}
+forgit::ignore::get() {
+    local item filename header
+    for item in "$@"; do
+        if filename=$(find -L "$FORGIT_GI_TEMPLATES" -type f \( -iname "${item}.gitignore" -o -iname "${item}" \) -print -quit); then
+            [[ -z "$filename" ]] && forgit::warn "No gitignore template found for '$item'." && continue
+            header="${filename##*/}" && header="${header%.gitignore}"
+            echo "### $header" && cat "$filename" && echo
+        fi
+    done
+}
+forgit::ignore::list() {
+    find "$FORGIT_GI_TEMPLATES" -print |sed -e 's#.gitignore$##' -e 's#.*/##' | sort -fu
+}
+forgit::ignore::clean() {
+    setopt localoptions rmstarsilent
+    [[ -d "$FORGIT_GI_REPO_LOCAL" ]] && rm -rf "$FORGIT_GI_REPO_LOCAL"
+}
+
+FORGIT_FZF_DEFAULT_OPTS="
+$FZF_DEFAULT_OPTS
+--ansi
+--reverse
+--bind='alt-k:preview-up,alt-p:preview-up'
+--bind='alt-j:preview-down,alt-n:preview-down'
+--bind='ctrl-r:toggle-all'
+--bind='ctrl-s:toggle-sort'
+--bind='?:toggle-preview'
+--bind='alt-w:toggle-preview-wrap'
+--preview-window='top:50%'
+$FORGIT_FZF_DEFAULT_OPTS
+"
+
+# register aliases
+# shellcheck disable=SC2139
+if [[ -z "$FORGIT_NO_ALIASES" ]]; then
+    alias "${forgit_add:-ga}"='forgit::add'
+    alias "${forgit_reset_head:-grh}"='forgit::reset::head'
+    alias "${forgit_log:-glo}"='forgit::log'
+    alias "${forgit_diff:-gd}"='forgit::diff'
+    alias "${forgit_ignore:-gi}"='forgit::ignore'
+    alias "${forgit_restore:-gcf}"='forgit::restore'
+    alias "${forgit_clean:-gclean}"='forgit::clean'
+    alias "${forgit_stash_show:-gss}"='forgit::stash::show'
+fi
diff --git a/Shell/zshrc b/Shell/zshrc
index 33432a4..a79e7af 100644
--- a/Shell/zshrc
+++ b/Shell/zshrc
@@ -84,4 +84,6 @@ bindkey "e[4~" end-of-line
 bindkey '^[[1;5C' emacs-forward-word
 bindkey '^[[1;5D' emacs-backward-word
 
+source ~/dotfiles/Shell/forgit.plugin.zsh
+
 archey4