From 858db76ad64d52de37ad8a7668b283c8d86ccca7 Mon Sep 17 00:00:00 2001
From: "Stanislav N. aka pztrn" <pztrn@pztrn.name>
Date: Sat, 3 Apr 2021 17:01:19 +0500
Subject: [PATCH] ZSH Autosuggestions plugin.

---
 zsh/{05-vars.zsh => 03-vars.zsh}       |  9 +++++++++
 zsh/{03-apps.zsh => 04-apps.zsh}       |  0
 zsh/05-plugins.zsh                     | 13 +++++++++++++
 zsh/defaults/03-plugins.conf           |  2 ++
 zsh/exports/01-path.zsh                |  2 +-
 zsh/plugins/autosuggestions.plugin.zsh | 13 +++++++++++++
 6 files changed, 38 insertions(+), 1 deletion(-)
 rename zsh/{05-vars.zsh => 03-vars.zsh} (57%)
 rename zsh/{03-apps.zsh => 04-apps.zsh} (100%)
 create mode 100644 zsh/05-plugins.zsh
 create mode 100644 zsh/defaults/03-plugins.conf
 create mode 100644 zsh/plugins/autosuggestions.plugin.zsh

diff --git a/zsh/05-vars.zsh b/zsh/03-vars.zsh
similarity index 57%
rename from zsh/05-vars.zsh
rename to zsh/03-vars.zsh
index 396d2b1..b98a619 100644
--- a/zsh/05-vars.zsh
+++ b/zsh/03-vars.zsh
@@ -4,6 +4,15 @@
 OS=`uname`
 OS_RELEASE=`uname -r`
 
+# Distro detection.
+LSBRELEASE=$(which lsb_release)
+if [ $? -eq 0 ]; then
+  DISTRO=`lsb_release -i -s`
+else
+  # BSDs OS and macOS can be detected via uname.
+  DISTRO=${OS}
+fi
+
 # Variable forcers.
 
 # If DEBUG isn't defined - force it to be 0.
diff --git a/zsh/03-apps.zsh b/zsh/04-apps.zsh
similarity index 100%
rename from zsh/03-apps.zsh
rename to zsh/04-apps.zsh
diff --git a/zsh/05-plugins.zsh b/zsh/05-plugins.zsh
new file mode 100644
index 0000000..c8402f0
--- /dev/null
+++ b/zsh/05-plugins.zsh
@@ -0,0 +1,13 @@
+# Load enabled plugins.
+for plugin in "${ENABLED_PLUGINS[@]}"; do
+    if [ ! -f "${CONFIG_PATH}/zsh/plugins/${plugin}.plugin.zsh" ]; then
+        error 0 "Plugin '${plugin}' doesn't exist"
+    else
+        source "${CONFIG_PATH}/zsh/plugins/${plugin}.plugin.zsh"
+        # chpwd injecting.
+        chpwd_injector=`declare -f ${plugin}_chpwd`
+        if [ $chpwd_injector ]; then
+            ${plugin}_chpwd
+        fi
+    fi
+done
diff --git a/zsh/defaults/03-plugins.conf b/zsh/defaults/03-plugins.conf
new file mode 100644
index 0000000..5e82ce6
--- /dev/null
+++ b/zsh/defaults/03-plugins.conf
@@ -0,0 +1,2 @@
+# List of plugins to enable.
+ENABLED_PLUGINS=("autosuggestions")
diff --git a/zsh/exports/01-path.zsh b/zsh/exports/01-path.zsh
index 86c1535..5d732f7 100644
--- a/zsh/exports/01-path.zsh
+++ b/zsh/exports/01-path.zsh
@@ -1,2 +1,2 @@
 # This is default PATHs.
-export PATH="/bin:/usr/lib:/usr/lib/colorgcc/bin:/usr/sbin:/sbin:$PATH"
\ No newline at end of file
+export PATH="/usr/lib/colorgcc/bin:/usr/sbin:/sbin:$PATH"
diff --git a/zsh/plugins/autosuggestions.plugin.zsh b/zsh/plugins/autosuggestions.plugin.zsh
new file mode 100644
index 0000000..8467501
--- /dev/null
+++ b/zsh/plugins/autosuggestions.plugin.zsh
@@ -0,0 +1,13 @@
+AUTOSUGGESTIONS_PATH=""
+
+if [ "${DISTRO}" = "Arch" ]; then AUTOSUGGESTIONS_PATH="/usr/share/zsh/plugins/zsh-autosuggestions/zsh-autosuggestions.zsh"; fi
+if [ "${DISTRO}" = "Debian" ]; then AUTOSUGGESTIONS_PATH="/usr/share/zsh-autosuggestions/zsh-autosuggestions.zsh"; fi
+if [ "${DISTRO}" = "Darwin" ]; then AUTOSUGGESTIONS_PATH="/usr/local/share/zsh-autosuggestions/zsh-autosuggestions.zsh"; fi
+if [ "${DISTRO}" = "VoidLinux" ]; then AUTOSUGGESTIONS_PATH="/usr/share/zsh/plugins/zsh-autosuggestions.zsh"; fi
+
+if [ -f "${AUTOSUGGESTIONS_PATH}" ]; then
+  source "${AUTOSUGGESTIONS_PATH}"
+  export PLUGIN_ZSH_AUTOSUGGESTIONS_LOADED=1
+else
+  echo "Autosuggestions plugin enabled but not installed. Please install zsh-autosuggestions as per https://github.com/zsh-users/zsh-autosuggestions/blob/master/INSTALL.md"
+fi