Sync minimal branch with master files.
This commit is contained in:
parent
6ccae79924
commit
eca63b736d
13 changed files with 376 additions and 147 deletions
236
.bashrc
236
.bashrc
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@ -1,50 +1,58 @@
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#!/bin/bash - not strictly necessary, but helps nano with syntax highlighting.
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__find_ssh_agent_sock() {
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# Returns: 0 = Found an alternative socket.
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# Find an *active* ssh agent socket.
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# Returns: 0 = Found an active socket.
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# 1 = Did not find a viable socket.
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local ERR I
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local I
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# Search the SSH_AUTH_SOCKS array for a viable socket.
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for ((I = 0; I < ${#SSH_AUTH_SOCKS[@]}; I++)); do
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[[ "${SSH_AUTH_SOCKS[$I]}" =~ ^[[:blank:]]*$ ]] && continue
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SSH_AUTH_SOCK="${SSH_AUTH_SOCKS[$I]}" ssh-add -l >/dev/null 2>&1
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(( $? < 2 )) && { export SSH_AUTH_SOCK="${SSH_AUTH_SOCKS[$I]}"; break; }
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(( $? <= 1 )) && {
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export SSH_AUTH_SOCK="${SSH_AUTH_SOCKS[$I]}"
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return 0
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}
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unset SSH_AUTH_SOCK
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done
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[[ -z "$SSH_AUTH_SOCK" ]] && return 1
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return 0
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return 1
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}
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__read_ssh_agents() {
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# Read all the known ssh agent sockets into an array.
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# Returns: 0 = Processed and read the agents file without issue.
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# 1 = Error processing/read the agents file.
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local ERR FD I SOCK
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# 1 = Error processing/reading the agents file.
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local ERR FD I PLATFORM SOCK
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[[ ! -e ~/.ssh/agents ]] && touch ~/.ssh/agents
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[[ ! -e "$HOME/.ssh/agents" ]] && touch "$HOME/.ssh/agents"
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# Determine the platform being logged into.
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PLATFORM="$(uname -s)"
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# Lock the ~/.ssh/agents file.
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if [[ "$(uname -s)" == "Linux" ]]; then
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if [[ "$PLATFORM" == "Linux" ]]; then
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# Linux has 'flock', thankfully.
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{ exec {FD}<~/.ssh/agents && flock -E 10 -e -w 0.5 "$FD"; } || {
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ERR=$?
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if (( ERR == 10 )); then
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printf "\\033[1;31;40m%s\\033[0;39m\\n" "Failed to obtain lock on ~/.ssh/agents." >&2
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else
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printf "\\033[1;31;40m%s\\033[0;39m\\n" "Flock usage error." >&2
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fi
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exec {FD}<"$HOME/.ssh/agents" && flock -E 10 -e -w 0.5 "$FD"
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ERR=$?
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if (( ERR == 10 )); then
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printf "\\033[1;31;40m%s\\033[0;39m\\n" "Failed to obtain lock on ~/.ssh/agents." >&2
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return 1
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}
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elif (( ERR > 0 )); then
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printf "\\033[1;31;40m%s\\033[0;39m\\n" "Flock usage error." >&2
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return 1
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fi
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# Make note of the mtime for use in write_ssh_agents.
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SSH_AGENTS_MTIME="$(stat --format=%.9Y ~/.ssh/agents)"
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elif [[ "$(uname -s)" == "Darwin" ]]; then
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SSH_AGENTS_MTIME="$(stat --format=%.9Y "$HOME/.ssh/agents")"
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elif [[ "$PLATFORM" == "Darwin" ]]; then
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# Do locking the sucky way on macOS.
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for ((I = 0; I < 6; I++)); do
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if shlock -p "$$" -f ~/.ssh/agents.lock; then
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exec {FD}<~/.ssh/agents
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for ((I = 0; I <= 5; I++)); do
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if shlock -p "$$" -f "$HOME/.ssh/agents.lock"; then
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exec {FD}<"$HOME/.ssh/agents"
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# Make note of the mtime for use in write_ssh_agents.
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SSH_AGENTS_MTIME="$(stat -f %Fm ~/.ssh/agents)"
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SSH_AGENTS_MTIME="$(stat -f %Fm "$HOME/.ssh/agents")"
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ERR=0
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break
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else
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@ -52,33 +60,41 @@ __read_ssh_agents() {
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sleep 0.1
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fi
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done
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(( ERR != 0 )) && { printf "\\033[1;31;40m%s\\033[0;39m\\n" "Failed to obtain lock on ~/.ssh/agents." >&2; return 1; }
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(( ERR != 0 )) && {
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printf "\\033[1;31;40m%s\\033[0;39m\\n" "Failed to obtain lock on ~/.ssh/agents." >&2
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return 1
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}
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else
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printf "\\033[1;31;40m%s\\033[0;39m\\n" "File locking unsupported on this platform." >&2
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printf "\\033[1;31;40m%s\\033[0;39m\\n" "File locking unsupported on '$PLATFORM'." >&2
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return 1
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fi
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# Read the socket list (bash v3+ compliant)
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# Read the socket list (bash v2+ compliant)
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while read -u "$FD" -r SOCK; do
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[[ -n "$SOCK" ]] && SSH_AUTH_SOCKS+=("$SOCK")
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done
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ERR=$?
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# Close the file descriptor (which on Linux releases the lock too).
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# Close the file descriptor (which on Linux releases the flock too).
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exec {FD}<&-
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# On Darwin, release the lock on the file.
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rm -f ~/.ssh/agents.lock
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rm -f "$HOME/.ssh/agents.lock"
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# Remove the . in the mtime.
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SSH_AGENTS_MTIME="${SSH_AGENTS_MTIME/\.}"
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# Error out if the data couldn't be read.
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(( ERR != 0 )) && { printf "\\033[1;31;40m%s\\033[0;39m\\n" "Failed to read ssh-agent socket list." >&2; unset SSH_AUTH_SOCKS; return 1; }
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(( ERR != 0 )) && {
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printf "\\033[1;31;40m%s\\033[0;39m\\n" "Failed to read ssh-agent socket list." >&2
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unset SSH_AUTH_SOCKS SSH_AGENTS_MTIME
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return 1
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}
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return 0
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}
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__write_ssh_agents() {
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# Write all unique ssh agent sockets into the ~/.ssh/agents file.
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# Returns: 0 = Processed and wrote the agents file without issue.
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# 1 = Error processing/writing the agents file.
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# 2 = The SSH_AUTH_SOCKS array may be out of date as the agents file'a mtime has changed.
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@ -89,40 +105,43 @@ __write_ssh_agents() {
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# Remove any duplicates from SSH_AUTH_SOCKS.
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for ((I = 0; I < ${#SSH_AUTH_SOCKS[@]}; I++)); do
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[[ -z "${SSH_AUTH_SOCKS[$I]}" ]] && continue
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for ((J = 0; J < ${#SOCKS[@]}; J++)); do
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[[ "${SSH_AUTH_SOCKS[$I]}" == "${SOCKS[$J]}" ]] && continue 2
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done
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# Only add the socket if it's still viable.
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[[ -n "${SSH_AUTH_SOCKS[$I]}" ]] && {
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SSH_AUTH_SOCK="${SSH_AUTH_SOCKS[$I]}" ssh-add -l >/dev/null 2>&1
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(( $? < 2 )) && SOCKS+=("${SSH_AUTH_SOCKS[$I]}")
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}
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SSH_AUTH_SOCK="${SSH_AUTH_SOCKS[$I]}" ssh-add -l >/dev/null 2>&1
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(( $? <= 1 )) && SOCKS+=("${SSH_AUTH_SOCKS[$I]}")
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done
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# Determine the platform being logged into.
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PLATFORM="$(uname -s)"
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# Lock the ~/.ssh/agents file.
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if [[ "$(uname -s)" == "Linux" ]]; then
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if [[ "$PLATFORM" == "Linux" ]]; then
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# Make sure SSH_AUTH_SOCKS has the most up to date data.
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MTIME="$(stat --format=%.9Y ~/.ssh/agents)"
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MTIME="$(stat --format=%.9Y "$HOME/.ssh/agents")"
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(( ${MTIME/\.} > SSH_AGENTS_MTIME )) && return 2
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# Lock the agents file.
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{ exec {FD}>~/.ssh/agents && flock -E 10 -e -w 0.5 "$FD"; } || {
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if (( $? == 10 )); then
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printf "\\033[1;31;40m%s\\033[0;39m\\n" "Failed to obtain lock on ~/.ssh/agents." >&2
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else
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printf "\\033[1;31;40m%s\\033[0;39m\\n" "Flock usage error" >&2
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fi
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exec {FD}<"$HOME/.ssh/agents" && flock -E 10 -e -w 0.5 "$FD"
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ERR=$?
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if (( ERR == 10 )); then
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printf "\\033[1;31;40m%s\\033[0;39m\\n" "Failed to obtain lock on ~/.ssh/agents." >&2
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return 1
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}
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elif (( ERR > 0 )); then
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printf "\\033[1;31;40m%s\\033[0;39m\\n" "Flock usage error." >&2
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return 1
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fi
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elif [[ "$(uname -s)" == "Darwin" ]]; then
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# Make sure SSH_AUTH_SOCKS has the most up to date data.
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MTIME="$(stat --format=%.9Y ~/.ssh/agents)"
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MTIME="$(stat --format=%.9Y "$HOME/.ssh/agents")"
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(( ${MTIME/\.} > SSH_AGENTS_MTIME )) && return 2
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# Do locking the sucky way on OSX.
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for ((I = 0; I < 6; I++)); do
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if shlock -p "$$" -f ~/.ssh/agents.lock; then
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exec {FD}>~/.ssh/agents
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for ((I = 0; I <= 5; I++)); do
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if shlock -p "$$" -f "$HOME/.ssh/agents.lock"; then
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exec {FD}<"$HOME/.ssh/agents"
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ERR=0
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break
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else
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@ -130,38 +149,48 @@ __write_ssh_agents() {
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sleep 0.1
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fi
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done
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(( ERR != 0 )) && { printf "\\033[1;31;40m%s\\033[0;39m\\n" "Failed to obtain lock on ~/.ssh/agents." >&2; return 1; }
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(( ERR != 0 )) && {
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printf "\\033[1;31;40m%s\\033[0;39m\\n" "Failed to obtain lock on ~/.ssh/agents." >&2
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return 1
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}
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else
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printf "\\033[1;31;40m%s\\033[0;39m\\n" "File locking unsupported on this platform." >&2
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printf "\\033[1;31;40m%s\\033[0;39m\\n" "File locking unsupported on '$PLATFORM'." >&2
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return 1
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fi
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# Write the cleaned array to disk.
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printf "%s\\n" "${SOCKS[@]}" >~/.ssh/agents 2>/dev/null
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ERR=$?
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ERR=-1
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[[ -n "${SOCKS[*]}" ]] && { printf "%s\\n" "${SOCKS[@]}" >"$HOME/.ssh/agents" 2>/dev/null; ERR=$?; }
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# Release locks.
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exec {FD}>&-
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rm -f ~/.ssh/agents.lock
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rm -f "$HOME/.ssh/agents.lock"
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# Error out if the data couldn't be written.
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(( ERR != 0 )) && { printf "\\033[1;31;40m%s\\033[0;39m\\n" "Failed to write ssh-agent socket list." >&2; return 1; }
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if (( ERR == -1 )); then
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rm -f "$HOME/.ssh/agents" 2>/dev/null
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elif (( ERR >= 1 )); then
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rm -f "$HOME/.ssh/agents" 2>/dev/null
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printf "\\033[1;31;40m%s\\033[0;39m\\n" "Failed to write ssh-agent socket list." >&2
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return 1
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fi
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return 0
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}
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__ssh_agent_prompt_command() {
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# If necessary, find and activate a new ssh agent socket before each prompt is displayed.
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# Returns: 0 = All is good.
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# 1 = And error occured.
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local ERR SSH_AUTH_SOCKS=()
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# 1 = An error occured.
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local ERR
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if [[ -z "$SSH_AUTH_SOCK" ]]; then
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ERR=2
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else
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SSH_AUTH_SOCK="$SSH_AUTH_SOCK" ssh-add -l >/dev/null 2>&1
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ssh-add -l >/dev/null 2>&1
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ERR=$?
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fi
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(( ERR == 2 )) && {
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# Read previous sockets from ~/.ssh/agents.
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# Read alternative sockets from ~/.ssh/agents.
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__read_ssh_agents || {
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unset SSH_AUTH_SOCK
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return 1
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@ -173,25 +202,22 @@ __ssh_agent_prompt_command() {
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else
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# Start a new agent.
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eval "$(ssh-agent -s 2>/dev/null | grep -v 'echo'; printf "%s" "ERR=${PIPESTATUS[0]}")"
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(( ERR > 0 )) && { printf "\\033[1;31;40m%s\\033[0;39m\\n" "Failed to start ssh-agent - continuing with no agent." >&2; return 1; }
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(( ERR > 0 )) && {
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printf "\\033[1;31;40m%s\\033[0;39m\\n" "Failed to start new ssh-agent - continuing with no agent."
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return 1
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}
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printf "\\033[1;32;40m%s\\033[0;39m\\n" "Started new ssh-agent."
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fi
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# Update the agents file.
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while :; do
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__write_ssh_agents
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ERR=$?
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(( ERR == 2 )) && { __read_ssh_agents || return 1; } && continue
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(( ERR == 1 )) && return 1
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break
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done
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}
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return 0
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}
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imagebin() {
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[[ -z "$1" ]] && { printf "%s: %s\\n" "Usage" "${FUNCNAME[0]} <filename>" >&2; return 1; }
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curl -F file="@${1:-}" https://imagebin.ca/upload.php | grep ^url: | cut -d: -f2-
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[[ -z "$1" ]] && {
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printf "%s: %s\\n" "Usage" "${FUNCNAME[0]} <filename>" >&2
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return 1
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}
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curl -F file="@$1" https://imagebin.ca/upload.php | grep '^url:' | cut -d: -f2-
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}
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# Make bash a little more pleasent - these are valid for all versions.
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@ -203,17 +229,19 @@ IGNOREEOF=0
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# History control.
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HISTCONTROL="ignoredups"
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HISTFILE="$HOME/.bash_history-${HOSTNAME%%.*}"
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HISTFILESIZE=100000
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HISTFILESIZE=1000000
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HISTIGNORE="bg:bg *:fg:fg *:jobs:exit:clear:history"
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HISTSIZE=-1
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HISTTIMEFORMAT="%d/%m/%y %H:%M:%S "
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history -r
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# Determine the colour of the username in the prompt.
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if (( $(id -u) == 0 )); then
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if [[ "$LOGNAME" == "root" ]]; then
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COLOUR=1 # Red
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else
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elif [[ "$LOGNAME" == "tadgy" ]]; then
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COLOUR=2 # Green
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else
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COLOUR=5 # Purple
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fi
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# Version specific set up.
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@ -221,18 +249,20 @@ if (( BASH_VERSINFO[0] >= 4 )); then
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# Add to the shopts.
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shopt -s checkjobs dirspell
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# Set the prompts.
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# Trim the path in the prompt.
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PROMPT_DIRTRIM=2
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# Coloured username + host + directory:
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PS1="[\[$(tput bold)$(tput setaf $COLOUR)\]\u\[$(tput sgr0)\]@\[$(tput bold)$(tput setaf 3)\]\h\[$(tput sgr0)\]] \[$(tput bold)$(tput setaf 4)\]\w\[$(tput sgr0)\] ->"
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PS1="[\[$(tput bold)$(tput setaf "$COLOUR")\]\u\[$(tput sgr0)\]@\[$(tput bold)$(tput setaf 3)\]\h\[$(tput sgr0)\]] \[$(tput bold)$(tput setaf 4)\]\w\[$(tput sgr0)\] ->"
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else
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# Set the prompts.
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# Coloured username + host + directory:
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PS1="[\[$(tput bold)$(tput setaf $COLOUR)\]\u\[$(tput sgr0)\]@\[$(tput bold)$(tput setaf 3)\]\h\[$(tput sgr0)\]] \[$(tput bold)$(tput setaf 4)\]\$(echo \"\${PWD/#\$HOME/~}\" | awk -F/ '{if (NF>3) {printf \".../\" \$(NF-1) \"/\" \$NF} else {printf \$0}}')\[$(tput sgr0)\] ->"
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# shellcheck disable=SC2154
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PS1="[\[$(tput bold)$(tput setaf "$COLOUR")\]\u\[$(tput sgr0)\]@\[$(tput bold)$(tput setaf 3)\]\h\[$(tput sgr0)\]] \[$(tput bold)$(tput setaf 4)\]\$(echo \"\${PWD/#\$HOME/~}\" | awk -F/ '{if (NF>3) {printf \".../\" \$(NF-1) \"/\" \$NF} else {printf \$0}}')\[$(tput sgr0)\] ->"
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fi
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unset COLOUR
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# Set the debugger prompt.
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# shellcheck disable=SC2155
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export PS4="+(\[\e[1;33;40m\]\$?\[$(tput sgr0)\]) \[$(tput bold)$(tput setaf 4)\]\${BASH_SOURCE##*/}\[$(tput sgr0)\]\${FUNCNAME[0]:+(\[$(tput bold)$(tput setaf 2)\]\${FUNCNAME[0]}\[$(tput sgr0)\])}:\[$(tput bold)$(tput setaf 1)\]\$LINENO\[$(tput sgr0)\]: "
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# The commands to execute before the prompt is displayed.
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@ -241,12 +271,18 @@ PROMPT_COMMAND="__ssh_agent_prompt_command"
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# Common aliases.
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hash bc >/dev/null 2>&1 && alias bc='bc -lq'
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hash diff >/dev/null 2>&1 && alias diff='diff --color=auto -u'
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hash grep >/dev/null 2>&1 && alias egrep='grep -E --color=auto'
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hash grep >/dev/null 2>&1 && alias fgrep='grep -F --color=auto'
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hash grep >/dev/null 2>&1 && alias grep='grep --color=auto'
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hash gpg2 >/dev/null 2>&1 && {
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alias gpg='command gpg2'
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alias gpg2='gpg2 --pinentry-mode=loopback'
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}
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hash grep >/dev/null 2>&1 && {
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alias egrep='grep -E --color=auto'
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alias fgrep='grep -F --color=auto'
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alias grep='grep --color=auto'
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}
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hash nc >/dev/null 2>&1 && alias pastebin='nc termbin.com 9999'
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hash screen >/dev/null 2>&1 && alias screen='screen -Ua'
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hash shellcheck >/dev/null 2>&1 && alias shellcheck='shellcheck -x'
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# Auto start the ssh agent and add keys for scp/sftp/ssh.
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hash scp ssh ssh-add >/dev/null 2>&1 && alias scp='_EXEC=scp ssh'
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hash sftp ssh ssh-add >/dev/null 2>&1 && alias sftp='_EXEC=sftp ssh'
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hash ssh ssh-add >/dev/null 2>&1 && ssh() {
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@ -255,13 +291,16 @@ hash ssh ssh-add >/dev/null 2>&1 && ssh() {
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if [[ -z "$SSH_AUTH_SOCK" ]]; then
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ERR=2
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else
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SSH_AUTH_SOCK="$SSH_AUTH_SOCK" ssh-add -l >/dev/null 2>&1
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ssh-add -l >/dev/null 2>&1
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ERR=$?
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fi
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(( ERR == 2 )) && __ssh_agent_prompt_command && ssh-add
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(( ERR == 1 )) && ssh-add
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if (( ERR == 1 )); then
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ssh-add
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elif (( ERR == 2 )); then
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__ssh_agent_prompt_command
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ssh-add
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fi
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command "${_EXEC:-${FUNCNAME[0]}}" "$@"
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unset _EXEC
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}
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# Determine the platform being logged into.
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|
|
@ -270,9 +309,24 @@ PLATFORM="$(uname -s)"
|
|||
# Platform specific set up.
|
||||
if [[ "$PLATFORM" = "Linux" ]]; then
|
||||
# Linux specific functions.
|
||||
psgrep() {
|
||||
[[ -z "$1" ]] && { printf "%s: %s\\n" "Usage" "${FUNCNAME[0]} <something>" >&2; return 1; }
|
||||
ps -auwwx | command grep -E --color=always -- "(.*RSS.*|$1)" | grep -F -v "(.*RSS.*|"
|
||||
hash nano >/dev/null 2>&1 && nano() {
|
||||
# shellcheck disable=SC2155
|
||||
local NANO_VER="$(command nano --version | awk '/version/ { print $4 }' | cut -d. -f1)"
|
||||
if [[ -f "$HOME/.nanorc-$NANO_VER" ]]; then
|
||||
command nano -f "$HOME/.nanorc-$NANO_VER" "$@"
|
||||
else
|
||||
printf "%s: %s\\n" "${FUNCNAME[0]}" "no .nanorc for version '$NANO_VER'" >&2
|
||||
return 1
|
||||
fi
|
||||
}
|
||||
hash ps grep >/dev/null 2>&1 && psgrep() {
|
||||
if [[ -n "$1" ]]; then
|
||||
# shellcheck disable=SC2009
|
||||
ps -auwwx | grep -E --color=always -- "(.*RSS.*|$1)" | grep -F -v '(.*RSS.*|'
|
||||
else
|
||||
printf "%s: %s\\n" "Usage" "${FUNCNAME[0]} <something>" >&2
|
||||
return 1
|
||||
fi
|
||||
}
|
||||
|
||||
# Linux specific aliases.
|
||||
|
|
@ -288,6 +342,16 @@ if [[ "$PLATFORM" = "Linux" ]]; then
|
|||
hash pinfo >/dev/null 2>&1 && alias info='pinfo'
|
||||
hash ping >/dev/null 2>&1 && alias ping='ping -b'
|
||||
elif [[ "$PLATFORM" = "Darwin" ]]; then
|
||||
# Create .nanorc symlink if necessary.
|
||||
[[ ! -e "$HOME/.nanorc" ]] && {
|
||||
NANO_VER="$(command nano --version | awk '/version/ { print $4 }' | cut -d. -f1)"
|
||||
if [[ -f "$HOME/.nanorc-$NANO_VER" ]]; then
|
||||
( cd "$HOME" && ln -sf ".nanorc-$NANO_VER" .nanorc ) || printf "%s: %s\\n" "${BASH_SOURCE##*/}" "failed to create .nanorc symlink" >&2
|
||||
else
|
||||
printf "%s: %s\\n" "${BASH_SOURCE##*/}" "no .nanorc for version '$NANO_VER'" >&2
|
||||
fi
|
||||
}
|
||||
|
||||
# Darwin specific aliases.
|
||||
hash df >/dev/null 2>&1 && alias df='df -P'
|
||||
hash ls >/dev/null 2>&1 && alias ls='ls -bFG'
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue