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Merge pull request #266 from dritter/264_fix_script_location

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Refactor location installation path code
This commit is contained in:
Ben Hilburn 2016-05-27 11:48:33 -04:00
commit 66ece86773
1 changed files with 28 additions and 27 deletions
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55
powerlevel9k.zsh-theme
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@ -20,43 +20,44 @@
#zstyle ':vcs_info:*+*:*' debug true
#set -o xtrace
# Check if the theme was called as a function (e.g., from prezto)
if [[ $(whence -w prompt_powerlevel9k_setup) =~ "function" ]]; then
# Try to set the installation path
if [[ -n "$POWERLEVEL9K_INSTALLATION_PATH" ]]; then
# If an installation path was set manually,
# it should trump any other location found.
# Do nothing. This is all right, as we use the
# POWERLEVEL9K_INSTALLATION_PATH for further processing.
elif [[ $(whence -w prompt_powerlevel9k_setup) =~ "function" ]]; then
# Check if the theme was called as a function (e.g., from prezto)
autoload -U is-at-least
if is-at-least 5.0.8; then
# Try to find the correct path of the script.
0=$(whence -v $0 | sed "s/$0 is a shell function from //")
POWERLEVEL9K_INSTALLATION_PATH=$(whence -v $0 | sed "s/$0 is a shell function from //")
elif [[ -f "${ZDOTDIR:-$HOME}/.zprezto/modules/prompt/init.zsh" ]]; then
# If there is an prezto installation, we assume that powerlevel9k is linked there.
0="${ZDOTDIR:-$HOME}/.zprezto/modules/prompt/functions/prompt_powerlevel9k_setup"
else
# Fallback: specify an installation path!
if [[ -z "$POWERLEVEL9K_INSTALLATION_PATH" ]]; then
print -P "%F{red}We could not locate the installation path of powerlevel9k.%f"
print -P "Please specify by setting %F{blue}POWERLEVEL9K_INSTALLATION_PATH%f (full path incl. file name) at the very beginning of your ~/.zshrc"
return 1
elif [[ -L "$POWERLEVEL9K_INSTALLATION_PATH" ]]; then
# Symlink
0="$POWERLEVEL9K_INSTALLATION_PATH"
elif [[ -f "$POWERLEVEL9K_INSTALLATION_PATH" ]]; then
# File
0="$POWERLEVEL9K_INSTALLATION_PATH"
elif [[ -d "$POWERLEVEL9K_INSTALLATION_PATH" ]]; then
# Directory
0="${POWERLEVEL9K_INSTALLATION_PATH}/powerlevel9k.zsh-theme"
fi
POWERLEVEL9K_INSTALLATION_PATH="${ZDOTDIR:-$HOME}/.zprezto/modules/prompt/functions/prompt_powerlevel9k_setup"
fi
else
# Last resort: Set installation path is script path
POWERLEVEL9K_INSTALLATION_PATH="$0"
fi
# If this theme is sourced as a symlink, we need to locate the true URL
if [[ -L $0 ]]; then
# Script is a symlink
filename="$(realpath -P $0 2>/dev/null || readlink -f $0 2>/dev/null || perl -MCwd=abs_path -le 'print abs_path readlink(shift);' $0 2>/dev/null)"
elif [[ -f $0 ]]; then
# Resolve the instllation path
if [[ -L "$POWERLEVEL9K_INSTALLATION_PATH" ]]; then
# If this theme is sourced as a symlink, we need to locate the real URL
filename="$(realpath -P $POWERLEVEL9K_INSTALLATION_PATH 2>/dev/null || readlink -f $POWERLEVEL9K_INSTALLATION_PATH 2>/dev/null || perl -MCwd=abs_path -le 'print abs_path readlink(shift);' $POWERLEVEL9K_INSTALLATION_PATH 2>/dev/null)"
elif [[ -d "$POWERLEVEL9K_INSTALLATION_PATH" ]]; then
# Directory
filename="${POWERLEVEL9K_INSTALLATION_PATH}/powerlevel9k.zsh-theme"
elif [[ -f "$POWERLEVEL9K_INSTALLATION_PATH" ]]; then
# Script is a file
filename="$0"
filename="$POWERLEVEL9K_INSTALLATION_PATH"
elif [[ -z "$POWERLEVEL9K_INSTALLATION_PATH" ]]; then
# Fallback: specify an installation path!
print -P "%F{red}We could not locate the installation path of powerlevel9k.%f"
print -P "Please specify by setting %F{blue}POWERLEVEL9K_INSTALLATION_PATH%f (full path incl. file name) at the very beginning of your ~/.zshrc"
return 1
else
print -P "%F{red}Script location could not be found!%f"
print -P "%F{red}Script location could not be found! Maybe your %F{blue}POWERLEVEL9K_INSTALLATION_PATH%F{red} is not correct?%f"
return 1
fi
script_location="$(dirname $filename)"