From c40577534dfe8000c591c46cc4eb9c26ecf1eef7 Mon Sep 17 00:00:00 2001
From: Jeffrey Serio <23226432+hyperreal64@users.noreply.github.com>
Date: Mon, 16 Jan 2023 01:38:04 -0600
Subject: [PATCH] + gumosh reboot_check zman

---
 gumosh       | 51 +++++++++++++++++++++++++++++++++++++++++++++++++++
 reboot_check | 37 +++++++++++++++++++++++++++++++++++++
 zman         |  4 ++++
 3 files changed, 92 insertions(+)
 create mode 100755 gumosh
 create mode 100755 reboot_check
 create mode 100755 zman

diff --git a/gumosh b/gumosh
new file mode 100755
index 0000000..93f34c5
--- /dev/null
+++ b/gumosh
@@ -0,0 +1,51 @@
+#!/usr/bin/env bash
+
+# This script parses the ssh config at ~/.ssh/config to find user@host
+# entries, then uses gum choose to select one user@host to ssh into.
+
+# Check for gum.
+if ! test -x "$(command -v gum)"; then
+    echo "Missing dependency: gum"
+    echo "See github.com/charmbracelet/gum"
+    exit 1
+fi
+
+SSH_CONFIG="${HOME}/.ssh/config"
+usern_array=()
+hostn_array=()
+logins=()
+
+# Read Users from ssh config and store them in usern_array.
+while IFS= read -r line; do
+    if [[ "$line" == *"User"* ]]; then
+        usern=$(echo $line | awk '{ print $2 }')
+        usern_array+=($usern)
+    fi
+done < "${SSH_CONFIG}"
+
+# Read HostNames from ssh config and store them in hostn_array.
+while IFS= read -r line; do
+    if [[ "$line" == *"HostName"* ]]; then
+        hostn=$(echo $line | awk '{ print $2 }')
+        hostn_array+=($hostn)
+    fi
+done < "${SSH_CONFIG}"
+
+# Set the array_len to the size of usern_array - 1.
+let "array_len = ${#usern_array[@]} - 1"
+
+# Iterate through usern_array and hostn_array and match user and host
+# pairs, then store them in the logins array in "user@host" format.
+for i in $(seq 0 $array_len); do
+    userhost=$(printf "%s@%s" "${usern_array[i]}" "${hostn_array[i]}")
+    logins+=($userhost)
+done
+
+# Print each member of logins array on a new line and pipe to gum choose.
+# Store selection.
+selection=$(printf "%s\n" "${logins[@]}" | gum choose --limit=1)
+
+# If $selection is non-empty, pass it to the ssh -X command.
+if test -n "${selection}"; then
+    mosh "${selection}"
+fi
diff --git a/reboot_check b/reboot_check
new file mode 100755
index 0000000..b67e0ab
--- /dev/null
+++ b/reboot_check
@@ -0,0 +1,37 @@
+#!/usr/bin/env bash
+
+# This script reads user@host lines from ~/.server_hosts. Each host
+# is a RHEL-like operating system where the dnf-utils and
+# dnf-automatic packages are installed. dnf-automatic is configured
+# to download and apply updates periodically. The 'needs-restarting'
+# command provided by the dnf-utils packages is assumed to be
+# available on each host. Each host is checked via SSH to see if it
+# needs-restarting after core libraries and services have been
+# updated since the last boot-up. If a restart has been initiated for
+# a given host, notify-send will notify the user.
+
+set -euo pipefail
+
+HOST_FILE="${HOME}/.server_hosts"
+host_array=()
+RED='\033[1;31m'
+YELLOW='\033[1;33m'
+GREEN='\033[1;32m'
+NC='\033[0m'
+
+# Read hosts from ~/.server_hosts
+while IFS= read -r line; do
+    host=$(echo $line)
+    host_array+=($host)
+done < "${HOST_FILE}"
+
+for host in "${host_array[@]}"; do
+    hostname=$(echo $host | cut --delimiter="@" --fields=2)
+    if ssh "$host" -- sudo needs-restarting -r >/dev/null; then
+        echo -e "$hostname: ${GREEN}OK${NC}"
+    else
+        ssh "$host" -- sudo systemctl reboot >/dev/null
+        echo -e "$hostname: ${RED}Restart initiated${NC}"
+        notify-send "$hostname: Restart initiated"
+    fi
+done
diff --git a/zman b/zman
new file mode 100755
index 0000000..be33957
--- /dev/null
+++ b/zman
@@ -0,0 +1,4 @@
+#!/usr/bin/env zsh
+
+CMD=$(gum input --placeholder="command")
+zellij action new-pane -- man "$CMD"