Replicate the prompt in the title
Add an explicit option to replicate the whole computed liquid prompt in the window's title. (Works with a vanilla xterm, but not under xterm-256 for me)
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nojhan
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9b4f27a938
commit
11473777ca
11
README.md
11
README.md
@ -64,6 +64,8 @@ of pending commits, if any;
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* the error code of the last command, if it has failed in some way;
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* a smart mark: ± for git directories, ☿ for mercurial, ‡ for svn, $ for simple
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user, a red # for root.
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* if you ask for, the liquidprompt will be replicated in your terminal window's
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title (without the colors)
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You can temporarily deactivate the liquid prompt and come back to your previous
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one by typing `prompt_off`. Use `prompt_on` to bring it back. You can deactivate
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@ -123,6 +125,7 @@ building:
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* `LP_ENABLE_SVN`, if you want to have subversion informations
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* `LP_ENABLE_HG`, if you want to have mercurial informations
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* `LP_ENABLE_VCS_ROOT`, if you want to show VCS informations with root account
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* `LP_ENABLE_TITLE`, if you want to use the prompt as your terminal window's title
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Note that if required commands are not installed, enabling the
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corresponding feature will have no effect.
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@ -135,8 +138,7 @@ in your config file, you will not have the battery informations.
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### ADD A PS1 PREFIX
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You can prefix the `LP_PS1` variable with anything you want using the
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`LP_PS1_PREFIX`. The following example activate title change on xterm-like
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windows:
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`LP_PS1_PREFIX`. The following example activate a custom window's title:
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LP_PS1_PREFIX="\[\e]0;\u@\h: \w\a\]"
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@ -162,6 +164,7 @@ Available features:
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* `LP_SVN` subversion
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* `LP_ERR` last error code
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* `LP_MARK` prompt mark
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* `LP_TITLE` the prompt as a window's title escaped sequence
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For example, if you just want to have a liquidprompt displaying the user and the
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host, with a normal full path in blue and only the git support:
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@ -240,6 +243,8 @@ Special characters:
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* `LP_MARK_SVN` (default: "‡") prompt mark in svn repositories
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* `LP_MARK_GIT` (default: "±") prompt mark in git repositories
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* `LP_MARK_UNTRACKED` (default: "*") if git has untracked files
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* `LP_TITLE_OPEN` (default: "\e]0;") escape character opening a window's title
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* `LP_TITLE_CLOSE` (default: "\a") escape character closing a window's title
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## KNOWN LIMITATIONS AND BUGS
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@ -254,4 +259,6 @@ the display of the liquid prompt.
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* Subversion repository cannot display commits to be pushed, this is a
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limitation of the Subversion versionning model.
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* The proxy detection only uses the `$http_proxy` environment variable.
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* The window's title escape sequence may not work properly on some terminals
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(like xterm-256)
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@ -18,7 +18,7 @@
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# LP_ERR last error code
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# LP_MARK prompt mark
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# LP_TIME current time
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# LP_PS1_PREFIX user-defined general-purpose prefix
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# LP_PS1_PREFIX user-defined general-purpose prefix (default set a generic prompt as the window title)
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# Remember that most features come with their corresponding colors,
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# see the README.
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@ -45,4 +45,11 @@ fi
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# add return code and prompt mark
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LP_PS1="${LP_PS1}${LP_ERR}${LP_MARK}"
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# "invisible" parts
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# Get the current prompt on the fly and make it a title
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LP_TITLE=$(_lp_title $PS1)
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# Insert it in the prompt
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PS1="${LP_TITLE}${PS1}"
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# vim: set et sts=4 sw=4 tw=120 ft=sh:
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@ -30,8 +30,8 @@ else
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LP_MARK_UNTRACKED="*"
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fi
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# Use the prefix to change the title of the terminal window
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LP_PS1_PREFIX="\[\e]0;\u@\h: \w\a\]"
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# Do not prefix the prompt
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LP_PS1_PREFIX=""
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# Colors
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# Available colors are:
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48
liquidprompt
48
liquidprompt
@ -189,7 +189,9 @@ _lp_source_config()
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LP_PATH_KEEP=${LP_PATH_KEEP:-2}
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LP_HOSTNAME_ALWAYS=${LP_HOSTNAME_ALWAYS:-0}
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LP_PS1=${LP_PS1:-""}
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LP_PS1_PREFIX=${LP_PS1_PREFIX:-"\[\e]0;\u@\h: \w\a\]"}
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LP_PS1_PREFIX=${LP_PS1_PREFIX:-""}
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LP_TITLE_OPEN=${LP_TITLE_OPEN:-"\e]0;"}
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LP_TITLE_CLOSE=${LP_TITLE_CLOSE:-"\a"}
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LP_ENABLE_PERM=${LP_ENABLE_PERM:-1}
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LP_ENABLE_SHORTEN_PATH=${LP_ENABLE_SHORTEN_PATH:-1}
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@ -203,6 +205,7 @@ _lp_source_config()
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LP_ENABLE_TIME=${LP_ENABLE_TIME:-0}
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LP_ENABLE_VIRTUALENV=${LP_ENABLE_VIRTUALENV:-1}
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LP_ENABLE_VCS_ROOT=${LP_ENABLE_VCS_ROOT:-0}
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LP_ENABLE_TITLE=${LP_ENABLE_TITLE:-0}
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LP_MARK_BATTERY=${LP_MARK_BATTERY:-"⌁"}
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LP_MARK_ADAPTER=${LP_MARK_ADAPTER:-"⏚"}
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@ -914,6 +917,36 @@ _lp_load_color()
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# DESIGN #
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##########
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# Remove all colors and escape characters of the given string and return a pure text
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_lp_as_text()
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{
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# Remove colors from the computed prompt
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local pst
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pst=$(echo $1 | sed -r "s/\x1B\[([0-9]{1,2}(;[0-9]{1,2})?)?[m|K]//g")
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# Remove escape sequences
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pst=$(echo $pst | sed "s,\\\\\\[\|\\\\\\],,g")
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echo -n "$pst"
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}
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_lp_title()
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{
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[[ "$LP_ENABLE_TITLE" != 1 ]] && return
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# Get the current computed prompt as pure text
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local txt
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txt=$(_lp_as_text "$1")
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# Use it in the window's title
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# Escapes whill tells bash to ignore the non-printing control characters when calculating the width of the prompt.
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# Otherwise line editing commands will mess the cursor positionning
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local title
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title="${_LP_OPEN_ESC}${LP_TITLE_OPEN}${txt}${LP_TITLE_CLOSE}${_LP_CLOSE_ESC}"
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echo -n "${title}"
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}
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# Set the prompt mark to ± if git, to ☿ if mercurial, to ‡ if subversion
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# to # if root and else $
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_lp_smart_mark()
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@ -977,6 +1010,7 @@ _lp_time()
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# Construct the prompt #
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########################
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_lp_set_prompt()
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{
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# as this get the last returned code, it should be called first
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@ -1021,7 +1055,7 @@ _lp_set_prompt()
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fi
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if [[ -z $LP_PS1 ]] ; then
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# add time, jobs, load and battery
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# add title escape time, jobs, load and battery
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PS1="${LP_PS1_PREFIX}${LP_TIME}${LP_BATT}${LP_LOAD}${LP_JOBS}"
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# add user, host and permissions colon
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PS1="${PS1}[${LP_USER}${LP_HOST}${LP_PERM}"
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@ -1043,6 +1077,14 @@ _lp_set_prompt()
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# add return code and prompt mark
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PS1="${PS1}${LP_ERR}${LP_MARK}"
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# "invisible" parts
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# Get the current prompt on the fly and make it a title
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LP_TITLE=$(_lp_title $PS1)
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# Insert it in the prompt
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PS1="${LP_TITLE}${PS1}"
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# Glue the bash prompt always go to the first column.
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# Avoid glitches after interrupting a command with Ctrl-C
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# Does not seem to be necessary anymore?
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@ -1050,6 +1092,8 @@ _lp_set_prompt()
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else
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PS1=$LP_PS1
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fi
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}
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# Activate the liquid prompt
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