Add powerline.zsh

.gitignore

@@ -1,7 +1,7 @@
 locals.zsh
 log/.zsh_history
 projects.zsh
-custom/*
+#custom/*
 !custom/example
 !custom/example.zsh
 *.swp

custom/powerline.zsh

@@ -0,0 +1,168 @@
+autoload promptinit && promptinit || return 1
+
+zmodload zsh/parameter
+
+# has it been loaded correctly? if not, bail out early.
+(( $+functions[prompt_powerline_setup] )) || return 2
+
+# we can never know for sure powerline font is installed, but if we're on
+# rxvt-unicode, chances are good. note that most zstyles have to be set before
+# the prompt is loaded since they are not continuously re-evaluated.
+#[[ $TERM == "rxvt-unicode-256color" ]] || return 3
+
+### additional zstyles
+
+# set some fixed host colors
+zstyle ':prompt:*:twilight*' host-color 093
+zstyle ':prompt:*:pinkie*' host-color 201
+zstyle ':prompt:*:rarity' host-color white
+zstyle ':prompt:*:applejack' host-color 208
+zstyle ':prompt:*:fluttershy' host-color 226
+
+# only show username on remote server or if it's different from my default
+[[ -n $SSH_CONNECTION || $USER == valodim ]] && zstyle ':prompt:powerline:ps1' hide-user 1
+
+# enable check-for-changes, for the ¹² indicators in git
+zstyle ':vcs_info:*:powerline:*' check-for-changes true
+
+
+### additional git info hooks
+
+
+# Show remote ref name and number of commits ahead-of or behind
++vi-git-tracking () {
+    local ahead behind remote tmp
+    local -a formats
+
+    # Get tracking-formats, or bail out immediately
+    zstyle -a ":vcs_info:${vcs}:${usercontext}:${rrn}" trackingformats formats || return 0
+
+    # Are we on a remote-tracking branch?
+    remote=${$(git rev-parse --verify ${hook_com[branch]}@{upstream} \
+        --symbolic-full-name 2>/dev/null)/refs\/remotes\/}
+
+    if [[ -n ${remote} ]] ; then
+ahead=$(git rev-list ${hook_com[branch]}@{upstream}..HEAD 2>/dev/null | wc -l)
+        behind=$(git rev-list HEAD..${hook_com[branch]}@{upstream} 2>/dev/null | wc -l)
+        if (( ahead && behind )); then
+zformat -f tmp $formats[3] a:$ahead b:$behind
+        elif (( ahead )); then
+zformat -f tmp $formats[1] a:$ahead
+        elif (( behind )); then
+zformat -f tmp $formats[2] b:$behind
+        fi
+
+hook_com[branch]+=$tmp
+    fi
+}
+
+# Show count of stashed changes
++vi-git-stash () {
+    local -a stashes
+    local -a format
+
+    zstyle -s ":vcs_info:${vcs}:${usercontext}:${rrn}" stashformat format || return 0
+
+    if [[ -n $format && -s ${hook_com[base]}/.git/refs/stash ]] ; then
+        # find number of stashed commits
+        stashes=$(git stash list 2>/dev/null | wc -l)
+        (( stashes )) || return 0
+
+        # add to misc
+        zformat -f tmp $format s:$stashes
+        hook_com[misc]+=$tmp
+    fi
+}
+
+# install git hooks
+zstyle ':vcs_info:git+set-message:*' hooks git-tracking git-stash
+
+
+### lofi hook
+
+
+# this is a hook which stops vcs_info right after the vcs detection step.
+#
+# this allows displaying a piece of information that the current PWD is inside
+# a vcs repository and its type, without loading the heavyweight vcs data.
+#
+# this function was hardly tested with anything besides git, and probably has
+# bugs.
+#
++vi-lofi () {
+
+    # locals
+    local msg basedir subdir
+    local -i i
+    local -xA hook_com
+    local -xa msgs
+
+    # lofi mode enabled?
+    if ! zstyle -t ":vcs_info:${vcs}:${usercontext}:${PWD}" lofi ; then
+        # if not, just leave.
+        return 0
+    fi
+
+    # get lofi styles
+    zstyle -a ":vcs_info:${vcs}:${usercontext}:${rrn}" lofiformats msgs
+
+    # if no lofi styles are set, better chicken out here
+    (( $#msgs == 0 )) && return 0
+
+    # git has the only detect mechanism that does not set the basedir. sheesh.
+    if (( $+vcs_comm[gitdir] )); then
+basedir=${PWD%/${$( ${vcs_comm[cmd]} rev-parse --show-prefix )%/##}}
+    elif (( $+vcs_comm[basedir] )); then
+basedir=$vcs_comm[basedir]
+    else
+        # no set? huh. just assume it's PWD, then...
+        basedir=$PWD
+    fi
+    # get subdir within repo tree
+    subdir="$(VCS_INFO_reposub ${basedir})"
+
+    # process the messages as usual, but with only the vcs name as %s
+    (( ${#msgs} > maxexports )) && msgs[$(( maxexports + 1 )),-1]=()
+    for i in {1..${#msgs}} ; do
+if VCS_INFO_hook "set-lofi-message" $(( $i - 1 )) "${msgs[$i]}"; then
+zformat -f msg ${msgs[$i]} s:${vcs} R:${basedir} S:${subdir}
+            msgs[$i]=${msg}
+        else
+msgs[$i]=${hook_com[message]}
+        fi
+done
+
+    # this from msgs
+    VCS_INFO_set
+
+    # this is the value passed back up to vcs_info, which stops further processing
+    ret=1
+    return 1
+}
+
+# function which disables lofi for this particular directory
+prompt-unlofi-pwd () {
+    # disable lofi mode for this directory and all subdirs
+    zstyle ":vcs_info:*:*:$PWD*" lofi false
+
+    # if this is run as a widget, ...
+    if zle; then
+        # manually re-run all prompt precmd functions (so vcs_info is
+        # reevaluated as well), and reset prompt to update status.
+        for f in ${(M)precmd_functions#prompt_*_precmd}; $f
+        zle .reset-prompt
+    fi
+}
+zle -N prompt-unlofi-pwd
+bindkey '^G^L' prompt-unlofi-pwd
+
+# lofi every directory by default
+zstyle ':vcs_info:*' lofi true
+# but not .zsh, that's small we always wanna see it
+zstyle ":vcs_info:*:$HOME/.zsh*" lofi true
+zstyle ':vcs_info-static_hooks:pre-get-data' hooks lofi
+
+
+### actually select the prompt
+
+prompt powerline