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[sugar.git] / dot-files / _zshrc

diff --git a/dot-files/_zshrc b/dot-files/_zshrc
index b5a69ac9caed0bd59fdb8b392446eeaaa69f806b..11755ad6400f255839747cdea7f9caa34a33230e 100644 (file)
--- a/dot-files/_zshrc
+++ b/dot-files/_zshrc
@@ -53,19 +53,79 @@ setopt inc_append_history
 setopt share_history
 
 function _we_are_in_gnu_screen () {
-    [ "$WINDOW" != "" ]
+    [[ -n "$WINDOW" ]]
+}
+
+function _we_are_in_ssh_session () {
+    [[ -n "$SSH_CONNECTION" ]]
 }
 
 _prompt_base='%B[%n@%m] %{%(?.$fg[green].$fg[red])%}%#%{$reset_color%}%b '
 if ( _we_are_in_gnu_screen ); then
-    # Magic escape sequence for GNU Screen to update their titles
-    # dynamically by grabbing prompt line.
-    PROMPT=$'%{\ek\e\\%}'$_prompt_base
+    # GNU Screen has a capability to set its window title by "ESC k
+    # {string} ESC \". We want to reset the title to `_' to show we
+    # aren't running any command now.
+    PROMPT=$'%{\ek_\e\\%}'$_prompt_base
 else
     PROMPT=$_prompt_base
 fi
 
-RPROMPT='%U%D{%m/%d}%u %U%D{%T}%u %U%~%u'
+function preexec() { # Hook
+    if { _we_are_in_gnu_screen } then
+        # Set the window title of GNU Screen.
+        local cmd=${1[(wr)^(*=*|sudo|nice|env|time|ssh|-*|[0-9]*)]}
+        printf "\ek$cmd\e\\"
+    fi
+}
+
+function precmd() { # Hook
+    local dirinfo=$(print_directory_info $(pwd))
+
+    case $dirinfo in
+        "")
+            RPROMPT='%U%~%u';;
+        *)
+            RPROMPT="%U%~%u %U($dirinfo)%u";;
+    esac
+}
+
+function print_directory_info() {
+    local absdir=$1
+
+    if [[ -d $absdir/.git ]] then
+        # Git
+        git branch --no-color 2>/dev/null \
+            | sed -e '/^[^*]/d' -e 's/* \(.*\)/\1/'
+
+    elif [[ -r $absdir/.hg/branch ]] then
+        # Hg
+        local hgbranch=`cat $absdir/.hg/branch`
+        if [[ -e $absdir/.hg/unpushed ]] then
+            echo "*${hgbranch}*"
+        else
+            echo "$hgbranch"
+        fi
+
+    elif [[ -d $absdir/_darcs ]] then
+        # Darcs
+        basename $absdir
+
+    elif [[ -r $absdir/CVS/Repository ]] then
+        # CVS
+        cat $absdir/CVS/Repository \
+            | sed -e 's!\([^/]*\).*!\1!'
+
+    else
+        # Unknown.
+        if [[ $absdir = "/" ]] then
+            # This is the root directory so exit from the recursion.
+            echo
+        else
+            # Recurse to the parent dir.
+            print_directory_info $(dirname $absdir)
+        fi
+    fi
+}
 
 HISTFILE="$HOME/.zhistory"
 HISTSIZE=6000000
@@ -75,6 +135,7 @@ alias -g L="| $PAGER"
 alias -g G="| grep"
 alias -g H="| head"
 alias -g T="| tail"
+alias -g X="| hexdump -C"
 
 alias ..='cd ..'
 alias cd..='cd ..'
@@ -90,6 +151,17 @@ alias pstow="pushd /usr/local/stow"
 alias w3m="w3m -O UTF-8"
 alias w3mb="w3m -O UTF-8 -B"
 alias pkgsrc="pushd /usr/pkgsrc"
+alias man="LANG=C man"
+
+alias aria="ssh -X admin@aria.cielonegro.org"
+alias nem="ssh -X pho@nem.cielonegro.org"
+alias mikasa="ssh -X daimon@mikasa.tomilab.net"
+
+alias aria-emacs="ssh -f -X admin@aria.cielonegro.org emacsclient -c"
+
+alias g1="ssh pho@g1.cuenote.jp"
+alias g2="ssh pho@g2.cuenote.jp"
+alias mana="ssh pho@mana"
 
 if [ $(hostname) = "aria.cielonegro.org" ]; then
     alias safari="open -a Safari"
@@ -97,15 +169,18 @@ if [ $(hostname) = "aria.cielonegro.org" ]; then
     alias pa='open -a NiseRingo.app'
     alias heboris='open /Applications/HeborisUEMac/exe/Heboris\ OpenGL.app'
     alias hengband='open ~/Applications/hengband*/Hengband*'
+    alias syssleep='sudo shutdown -s now'
 fi
 
-if [ $(uname) = "Darwin" ]; then
+if [[ $(uname) = "Darwin" ]]; then
     alias ldd="otool -L"
 
     alias ls='ls -Fw'
     alias la='ls -aw'
     alias l='ls -lw'
     alias lls='ls -law'
+
+    alias top='/usr/bin/top -X -o cpu'
 else
     alias ls='ls -F'
     alias la='ls -a'
@@ -113,6 +188,26 @@ else
     alias lls='ls -la'
 fi
 
+function osname () {
+    case $(uname) in
+        "Darwin" | "FreeBSD" | "NetBSD")
+            uname -v;;
+        "Linux")
+            if [[ -f "/etc/redhat-release" ]]; then
+                cat "/etc/redhat-release"
+            elif [[ -f "/etc/SuSE-release" ]]; then
+                cat "/etc/SuSE-release"
+            else
+                echo -n "$0: I know this is "$(uname -o)" but " >&2
+                echo    "have no idea about its distribution."  >&2
+                return 1
+            fi;;
+        *)
+            echo "$0: Failed to detect the OS name." >&2
+            return 1
+    esac
+}
+
 # The following lines were added by compinstall
 
 zstyle :compinstall filename "$HOME/.zshrc"
@@ -121,16 +216,24 @@ autoload -U compinit
 compinit
 # End of lines added by compinstall
 
-if [ "x$WINDOW" = "x" ]; then
+if ( _we_are_in_gnu_screen ); then
+    # When we are in a GNU Screen session...
+
+    if ( _we_are_in_ssh_session ); then
+        # Propagate remote session's bells to the local one.
+        screen -X vbell off
+    fi
+else
+    if [ -e ".motd" ]; then
+        cat ".motd"
+    fi
+
+    # Run "fortune" if we aren't in a GNU Screen session.
     if which fortune 2>&1 >/dev/null; then
         fortune
     fi
 fi
 
-if [ -e ".motd" ]; then
-    cat .motd
-fi
-
 if which ssh-agent-manager 2>&1 >/dev/null; then
     eval `ssh-agent-manager -s`
 fi