From: Ian Kelling <ian@iankelling.org>
Date: Thu, 12 Jun 2014 22:47:05 +0000 (-0700)
Subject: various updates
X-Git-Url: https://iankelling.org/git/?p=distro-setup;a=commitdiff_plain;h=42fab04c82857dc195382179aecdcf414686f1dc

various updates
---

diff --git a/.bashrc b/.bashrc
index 287b148..fcaa4b6 100644
--- a/.bashrc
+++ b/.bashrc
@@ -88,6 +88,7 @@ shopt -s histappend
 shopt -s checkwinsize
 # attempt to save multiline single commands as single history entries.
 shopt -s cmdhist
+shopt -s globstar
 
 
 # inside emacs fixes
@@ -105,6 +106,7 @@ if [[ $- == *i* ]]; then
     if [[ $INSIDE_EMACS ]]; then
         bind 'set horizontal-scroll-mode on'
         bind 'set print-completions-horizontally on'
+        bind '"\C-i": self-insert'
     else
         # arrow keys. for other terminals, see http://unix.stackexchange.com/questions/10806/how-to-change-previous-next-word-shortcut-in-bash
         if [[ $TERM == "xterm" ]]; then
@@ -217,7 +219,29 @@ fi
 ###  functions   ####
 #####################
 
-
+# netselect-apt finds a fast mirror.
+# but we need to replace the mirrors ourselves,
+# because it doesn't do that. best it can do is
+# output a basic sources file
+# here we get the server it found, get the main server we use
+# then substitute all instances of one for the other in the sources file
+# and backup original to /etc/apt/sources.list-original.
+# this is idempotent
+debian_pick_mirror () {
+    local x=$(mktemp -d)/f # safe way to get file name without creating one
+    sudo netselect-apt -o $x || return 1
+    x=$(_debian_pick_mirror_grep stable $x)
+    sudo cp -f /etc/apt/sources.list /etc/apt/sources.list-original
+    sudo sed -i "s/$(_debian_pick_mirror_grep wheezy)/$x/" /etc/apt/sources.list
+}
+
+_debian_pick_mirror_grep () {
+    local x="$(grep -oP "^deb [^ ]+ $1 " ${2-/etc/apt/sources.list})"
+    x="${x#deb }"
+    x="${x% $1 }"
+    # replace / with \/ so we can use it with sed
+    echo "${x//\//\\/}"
+}
 
 a() {
     beet "${@}"
@@ -435,38 +459,6 @@ despace() {
     done
 }
 
-# force symbolic link creation.
-# trash-put any existing files where links would be created.
-# mkdir -p the directory containing the link(s) if needed.
-# then do ln -s -- "$@"
-lnf() {
-    if [[ $# -gt 2 && ! -d ${!#} ]]; then
-        mkdir -p "${!#}"
-    fi
-    if [[ $# -gt 1 && -d ${!#} ]]; then
-        local oldcwd=$PWD
-        cd ${!#} # last arg
-        for x in "${@:1:$(($#-1))}"; do # all but last arg
-            # remove any trailing slashes
-            x="${x%%+(/)}"
-            # remove any leading directory components
-            x="${x##*/}"
-            te "$x" && trash-put "$x"
-        done
-        cd "$oldcwd"
-    elif [[ $# -eq 2 ]]; then
-        if te "$2"; then
-            trash-put "$2"
-        elif [[ ! -d $(getdir "$2") ]]; then
-            mkdir -p $(getdir "$2")
-        fi
-    else
-        te "${1##*/}" && rm "${1##*/}"
-    fi
-    ln -s -- "$@"
-}
-
-
 
 # package manager
 # aliases would be much more compact, but they can't be used as ssh commands
@@ -676,7 +668,7 @@ splay() { # script replay
 
 # timer in minutes
 tm() {
-    (sleep $(calc "$@ * 60") && mpv /a/bin/data/alarm.mp3) > /dev/null 2>&1 &
+    (sleep $(calc "$@ * 60") && mpv --volume 50 /a/bin/data/alarm.mp3) > /dev/null 2>&1 &
 }
 
 
@@ -780,8 +772,10 @@ hl() { # history limit. Write extra history to archive file.
     fi
 }
 
-# commands to run when bash exits normally
-trap "hl; smh" EXIT
+if [[ $- == *i* ]]; then
+    # commands to run when bash exits normally
+    trap "hl; smh" EXIT
+fi
 
 
 # temporary variables to test colorization
@@ -873,18 +867,15 @@ if [[ $- == *i* ]]; then
     fi
 
     # this needs to come before next ps1 stuff
-    if [[ $BASH_VERSION == [456789]* ]]; then
-        shopt -s autocd
-        shopt -s globstar
-        shopt -s dirspell
-        PS1='\w'
-        if [[ $- == *i* ]]  && [[ ! $INSIDE_EMACS ]]; then
-            PROMPT_DIRTRIM=2
-	    bind -m vi-command B:shell-backward-word
-	    bind -m vi-command W:shell-forward-word
-        fi
-    else
-        PS1='\W'
+    # this stuff needs bash 4, feb 2009,
+    # old enough to no longer condition on $BASH_VERSION anymore
+    shopt -s autocd
+    shopt -s dirspell
+    PS1='\w'
+    if [[ $- == *i* ]]  && [[ ! $INSIDE_EMACS ]]; then
+        PROMPT_DIRTRIM=2
+	bind -m vi-command B:shell-backward-word
+	bind -m vi-command W:shell-forward-word
     fi
 
     if [[ $SSH_CLIENT ]]; then