From 1d093433f021030270c3c520e3c05e805db6ed4b Mon Sep 17 00:00:00 2001
From: Jeremy Kaplan <jdkaplan@metagram.net>
Date: Mon, 4 Jun 2018 08:18:40 -0700
Subject: [PATCH] Bookmarks for zsh with j

---
 zsh/.zshrc |  2 ++
 zsh/j.sh   | 73 ++++++++++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 75 insertions(+)
 create mode 100644 zsh/j.sh

diff --git a/zsh/.zshrc b/zsh/.zshrc
index 8eb5e12..d4f360f 100644
--- a/zsh/.zshrc
+++ b/zsh/.zshrc
@@ -79,6 +79,8 @@ function precmd () {
     z --add "$(pwd -P)"
 }
 
+source $HOME/.config/zsh/j.sh
+
 # ls colors
 eval $(dircolors $HOME/.config/zsh/dircolors.256dark)
 
diff --git a/zsh/j.sh b/zsh/j.sh
new file mode 100644
index 0000000..22c8a42
--- /dev/null
+++ b/zsh/j.sh
@@ -0,0 +1,73 @@
+#!/usr/bin/env zsh
+
+local STORE="${HOME}/.j"
+touch $STORE
+
+# TODO: use a path-disallowed character as a separator (instead of a pipe)
+
+function _j_add() {
+    local name=$1;
+    local dir=${PWD}
+    echo "${name}|${dir}" >> "$STORE"
+    echo "${name}|${dir}"
+}
+function _j_delete() {
+    local name=$1;
+    grep -Ev "^${name}|" "$STORE" | sponge "$STORE"
+}
+
+function _j_jump() {
+    local name=$1;
+    local dir=$(grep -E "^${name}\|" "$STORE" | cut -d '|' -f 2)
+    if [ -n "$dir" ]; then
+        cd "$dir"
+    else
+        echo "No match found for $name"
+    fi
+}
+
+function _j_list() {
+    cat "$STORE"
+}
+
+function j() {
+    local action=''
+    local action_arg=''
+
+    while [ "$#@" -gt 0 ]; do
+        if [ -n "$action" ]; then
+            echo "Multiple actions specified"
+            return 1
+        fi
+
+        case "$1" in
+            --add|-a)
+                action='_j_add'
+                action_arg="$2"
+                shift 2
+                ;;
+            --delete|-d)
+                action='_j_delete'
+                action_arg="$2"
+                shift 2
+                ;;
+            --list|-l)
+                action='_j_list'
+                shift
+                continue
+                ;;
+            *)
+                action='_j_jump'
+                action_arg="$1"
+                shift
+                continue
+                ;;
+        esac
+    done
+
+    if [ -z "$action" ]; then
+        action='_j_list'
+    fi
+
+    "$action" "$action_arg"
+}