From 374e073d5e648f3506e646b015f3bbf3925c64f6 Mon Sep 17 00:00:00 2001
From: Egor Tensin <Egor.Tensin@gmail.com>
Date: Mon, 4 Jun 2018 18:05:08 +0300
Subject: move ssh-related stuff to ssh.sh

spawn_ssh_agent no longer creates ~/.ssh_agent.sh, because in cron jobs
it's pretty useless actually, since they are typically run when I'm not
connected via ssh.
---
 %HOME%/.bash_profile      | 24 ++----------------------
 %HOME%/.bash_utils/ssh.sh | 23 +++++++++++++++++++++++
 %HOME%/.bashrc            |  3 +--
 3 files changed, 26 insertions(+), 24 deletions(-)
 create mode 100644 %HOME%/.bash_utils/ssh.sh

(limited to '%HOME%')

diff --git a/%HOME%/.bash_profile b/%HOME%/.bash_profile
index fb2b58f..b42f274 100644
--- a/%HOME%/.bash_profile
+++ b/%HOME%/.bash_profile
@@ -2,25 +2,5 @@
 
 echo "Welcome to $( hostname )"
 
-kill_ssh_agent() {
-    [ -n "${SSH_AGENT_PID:+x}" ] && kill "$SSH_AGENT_PID"
-    local output_path="$HOME/.ssh_agent.sh"
-    rm -f -- "$output_path"
-}
-
-spawn_ssh_agent() {
-    # This spawns ssh-agent and exports its variables to ~/.ssh_agent.sh,
-    # to be used in cron jobs and such.
-    local output_path="$HOME/.ssh_agent.sh"
-    [ -z "${SSH_AGENT_PID:+x}" ] \
-        && command -v ssh-agent > /dev/null 2>&1 \
-        && touch -- "$output_path" \
-        && chmod 0600 -- "$output_path" \
-        && ssh-agent -s > "$output_path" \
-        && source "$output_path" > /dev/null \
-        && [ -n "${SSH_AGENT_PID:+x}" ] \
-        && echo "Spawned ssh-agent with PID: $SSH_AGENT_PID." \
-        && trap kill_ssh_agent EXIT
-}
-
-spawn_ssh_agent
+command -v spawn_ssh_agent > /dev/null 2>&1 \
+    && spawn_ssh_agent
diff --git a/%HOME%/.bash_utils/ssh.sh b/%HOME%/.bash_utils/ssh.sh
new file mode 100644
index 0000000..fa92088
--- /dev/null
+++ b/%HOME%/.bash_utils/ssh.sh
@@ -0,0 +1,23 @@
+#!/usr/bin/env bash
+
+# Copyright (c) 2018 Egor Tensin <Egor.Tensin@gmail.com>
+# This file is part of the "Linux/Cygwin environment" project.
+# For details, see https://github.com/egor-tensin/linux-home.
+# Distributed under the MIT License.
+
+kill_ssh_agent() {
+    [ -n "${SSH_AGENT_PID:+x}" ] && kill "$SSH_AGENT_PID"
+}
+
+spawn_ssh_agent() {
+    local output
+    [ -z "${SSH_AGENT_PID:+x}" ] \
+        && command -v ssh-agent > /dev/null 2>&1 \
+        && output="$( ssh-agent -s )" \
+        && eval "$output" > /dev/null \
+        && [ -n "${SSH_AGENT_PID:+x}" ] \
+        && echo "Spawned ssh-agent with PID: $SSH_AGENT_PID." \
+        && trap kill_ssh_agent EXIT
+}
+
+alias ssh-copy-id='ssh-copy-id -i'
diff --git a/%HOME%/.bashrc b/%HOME%/.bashrc
index 2b39b94..b23fc09 100644
--- a/%HOME%/.bashrc
+++ b/%HOME%/.bashrc
@@ -44,8 +44,6 @@ alias utc_iso='date --utc +"%Y-%m-%dT%H:%M:%SZ"'
 # fixed in sed 4.3.
 # Don't forget to uncomment once sed 4.3 becomes common.
 
-alias ssh-copy-id='ssh-copy-id -i'
-
 alias cls='echo -en "\ec"'
 alias copy='xclip -sel clip'
 
@@ -57,6 +55,7 @@ alias copy='xclip -sel clip'
 [ -r "$HOME/.bash_utils/git.sh"   ] && source "$HOME/.bash_utils/git.sh"
 [ -r "$HOME/.bash_utils/os.sh"    ] && source "$HOME/.bash_utils/os.sh"
 [ -r "$HOME/.bash_utils/path.sh"  ] && source "$HOME/.bash_utils/path.sh"
+[ -r "$HOME/.bash_utils/ssh.sh"   ] && source "$HOME/.bash_utils/ssh.sh"
 
 [ -r "$HOME/.bash_utils/mysql.sh"  ] && source "$HOME/.bash_utils/mysql.sh"
 [ -r "$HOME/.bash_utils/python.sh" ] && source "$HOME/.bash_utils/python.sh"
-- 
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