X-Git-Url: https://git.jankratochvil.net/?p=nethome.git;a=blobdiff_plain;f=.bashrc;h=c7125a5e552da943b92f035865683510ea2e1a25;hp=289d2e301b5c448e6a45e89335f82de72b71c52e;hb=e4afeff5ebd958d809856c85d7a9adf3baf90d2a;hpb=f86043f305e9877f64790c6a13664e47a8a1e3d7

diff --git a/.bashrc b/.bashrc
index 289d2e3..c7125a5 100644
--- a/.bashrc
+++ b/.bashrc
@@ -11,11 +11,23 @@ if [ -n "$_home_short_dotbashrc_norc" -o "${TERM#norc-}" != "$TERM" ];then
 fi
 
 if [ -z "$_home_short_dotbashrc" ];then
-	_home_short_dotbashrc=true
+	# We permit later reinitialization by unsetting it.
+	# During our execution we forbid spawning to prevent deadlock by:
+	# 	source /etc/bashrc
+	# 	. /etc/profile.d/lang.sh
+	# 	unicode_start iso02.08
+	export _home_short_dotbashrc=true
 	# $TERM gets restored to its 'norc-' state after ~/.bashrc
 	# alias norc='TERM="norc-$TERM" ssh -t -o 'NoHostAuthenticationForLocalhost yes' $USER@localhost "cd $PWD; TERM=$TERM;"'
 	function norc { TERM="norc-$TERM" ssh -t -o 'NoHostAuthenticationForLocalhost yes' $USER@localhost "cd $PWD; TERM=$TERM;" "$@"; }; export -f norc
 
+# Fix $USER and $LOGNAME (not $MAIL) for /etc/passwd line:
+# root-lace:x:0:0:root for Jan Kratochvil:/home/root-lace:/bin/bash
+if [ "$UID" -eq 0 -a "$USER" = "root" -a "$HOME" != "${HOME#*/root-}" ];then
+	USER="${HOME##*/}"
+	LOGNAME="$USER"
+fi
+
 if [ -f /etc/bashrc ];then source /etc/bashrc;fi
 
 function _bash_profile_addpath	# <variablename>,<dirpathname>
@@ -129,7 +141,7 @@ unalias 2>/dev/null du	# -h
 
 export IGNOREEOF=10
 # '2>/dev/null' to prevent: TMOUT: readonly variable
-export TMOUT=900 2>/dev/null
+[ -n "$SSH_TTY" ] && export TMOUT=900 2>/dev/null
 export EDITOR='vim'
 [ -x /bin/less ] && export PAGER='/bin/less -MMh5cis'
 export PERL_MM_OPT="PERL=$HOME/bin/perlilib"
@@ -149,11 +161,17 @@ if [ -n "$PS1" ];then	# set only in interactive sessions
 export MINICOM="-m -c on"	# metakeys+color
 export HISTSIZE=100000
 export HISTFILESIZE="$HISTSIZE"
+export GDBHISTFILE="$HOME/.gdb_history"
 export CVS_RSH="ssh"
 # Do not: grep -w "$TERM" /etc/termcap >/dev/null || export TERM=vt220
 # as Sun workaround as Debian misses: /etc/termcap
 # expects: $uname_p
 [ "$TERM" = vt220 -a "${uname_p%86}" != "$uname_p" ] && export TERM=linux
+if grep 2>/dev/null -q '^..............:0C38 00000000:0000 0A ' /proc/net/tcp;then
+	export  http_proxy=http://127.0.0.1:3128/
+	export https_proxy=http://127.0.0.1:3128/
+	export   ftp_proxy=http://127.0.0.1:3128/
+fi
 
 export SOCKS5_SERVER=icsocks.holland.sun.com
 
@@ -212,13 +230,52 @@ function cpan {(unset cpan; if [ $# = 0 ];then cpan;else perl -MCPAN -e "install
 function exx { cd "`unset exx;exx "$@"|tee /proc/self/fd/2|tail -n1|sed -n 's/^extdir=//p'`"; };export -f exx
 function revlines { perl -e 'my @r=();push @r,$_ while (<>);print pop @r while @r;'; }; export -f revlines
 
-ulimit -c 0
+ulimit -S -c 0
 set +H
 shopt -s mailwarn
 unset OPTIND
 
 if [ -f "$HOME/.bashrc.local" ];then source "$HOME/.bashrc.local";fi
 
+# Interactive part:
+for key in $HOME/.ssh/id_dsa;do
+	[ -r "$key" ] || continue
+	[ -n "$SSH_TTY" ] && continue
+
+	agenteval=/tmp/.$USER.ssh-agent.eval
+	if lockfile -1 -r 3 -l 10 -s 1 $agenteval.lock;then
+		test -f $agenteval -a -O $agenteval -a -G $agenteval &&
+				# ">/dev/null" to prevent: echo Agent pid 31074;
+				source $agenteval >/dev/null
+		if [ "ssh-agent" != "`(xargs -0 </proc/"$SSH_AGENT_PID"/cmdline sh -c 'echo "$0"') 2>/dev/null `" ];then
+			rm -f $agenteval
+			(test ! -e $agenteval && ssh-agent -s >$agenteval) || echo >&2 'Failing ssh-agent!'
+			# ">/dev/null" to prevent: echo Agent pid 31074;
+			source $agenteval >/dev/null
+		fi
+		rm -f $agenteval.lock
+	fi
+
+	# Prevent gdm(8) lockups on non-interactive consoles.
+	tty -s || continue
+	(ssh-add -l|grep -qw "$key") && continue
+	if lockfile -! -1 -r 0 $agenteval.input.lock 2>/dev/null;then
+		echo >&2 -n "Locking: $agenteval.input.lock ... "
+		lockfile -1 -r -1 $agenteval.input.lock
+		echo >&2 "locked"
+	fi
+	# Recheck identity existence after the lock acquire
+	if ssh-add -l|grep -qw "$key";then
+		echo >&2 "Identity $key already appended in the meantime."
+	else
+		# "2>/dev/null" to prevent: Identity added: .ssh/id_dsa (.ssh/id_dsa)
+		ssh-add "$key" 2>/dev/null
+	fi
+	rm -f $agenteval.input.lock
+	echo >&2 "$agenteval.input.lock unlocked."
+done
+unset agenteval
+
 	unset _home_short_dotbashrc	# permit later reinitializations
 fi	# _home_short_dotbashrc