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Dynamically determine Ruby version for PS1

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This commit is contained in:
Holger Just 2018-08-08 17:46:53 +02:00
parent 8d2e9d6057
commit 55778eac5d
1 changed files with 18 additions and 9 deletions
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27
.bashrc
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@ -153,16 +153,25 @@ ps1_host='\h'
. $HOME/bin/bash_vcs.sh . $HOME/bin/bash_vcs.sh
ps1_vcs='$(__prompt_command)' ps1_vcs='$(__prompt_command)'
if type rvm-prompt >/dev/null 2>&1; then
ps1_ruby=' \[\e[0;34m\]$(rvm-prompt v g)\[\e[00m\]'
elif [[ -n "$RUBY_VERSION" ]]; then
ps1_ruby=' \[\e[0;34m\]$RUBY_VERSION\[\e[00m\]'
elif type ruby >/dev/null 2>&1; then
ps1_ruby=' \[\e[0;34m\]$(ruby -e "puts RUBY_VERSION")\[\e[00m\]'
else
ps1_ruby=''
fi
__prompt_ruby_version() {
if type rvm-prompt >/dev/null 2>&1; then
rvm-prompt v g
return $?
fi
if [[ -n "$RUBY_ROOT" ]]; then
local ruby_version="$(basename "$RUBY_ROOT")"
elif type ruby > /dev/null 2>&1; then
local ruby_version="$(ruby -e "puts defined?(RUBY_ENGINE_VERSION) ? \"#{RUBY_ENGINE}-#{RUBY_ENGINE_VERSION}\" : \"ruby-#{RUBY_VERSION}\"")"
else
local ruby_version=''
fi
ruby_version="${ruby_version#ruby-}"
echo "$ruby_version"
}
ps1_ruby=' \[\e[0;34m\]$(__prompt_ruby_version)\[\e[00m\]'
# set variable identifying the chroot you work in (used in the prompt below) # set variable identifying the chroot you work in (used in the prompt below)
if [ -z "$debian_chroot" ] && [ -r /etc/debian_chroot ]; then if [ -z "$debian_chroot" ] && [ -r /etc/debian_chroot ]; then