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screen: Bugfix extracted cmd, add customizable TITLE var

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Bugfix:
zsh doc:
"If the history mechanism is active, the string that the user typed is
passed as the first argument, otherwise it is an empty string."
The title of a screen window should not depend on the history. So this
patch uses the third passed argument ("the third argument contains the
full text that is being executed.").

TITLE variable:
This combines automatic title set with customizable titles. It's often
useful in a screen session to set a manual title. By using
TITLE=YOUR_TITLE, it will replace the generated prefix but still display
the executed command. "TITLE=" will cause the screen plugin to generate
the title prefix again.

Signed-off-by: Markus Pargmann <mpargmann@allfex.org>
This commit is contained in:
Markus Pargmann 2012-12-13 20:18:50 +01:00
commit efda505417
1 changed files with 18 additions and 6 deletions
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14
plugins/screen/screen.plugin.zsh
View file

@ -39,16 +39,28 @@ if [[ "$TERM" == screen* ]]; then
# called by zsh before executing a command # called by zsh before executing a command
function preexec() function preexec()
{ {
local -a cmd; cmd=(${(z)1}) # the command string local -a cmd; cmd=(${(z)3}) # the command string
if [ "$TITLE" != "" ]
then
eval "tab_title=$TITLE:$TAB_TITLE_EXEC"
eval "tab_hardstatus=$TITLE:$TAB_HARDSTATUS_EXEC"
else
eval "tab_title=$TAB_TITLE_PREFIX:$TAB_TITLE_EXEC" eval "tab_title=$TAB_TITLE_PREFIX:$TAB_TITLE_EXEC"
eval "tab_hardstatus=$TAB_HARDSTATUS_PREFIX:$TAB_HARDSTATUS_EXEC" eval "tab_hardstatus=$TAB_HARDSTATUS_PREFIX:$TAB_HARDSTATUS_EXEC"
fi
screen_set $tab_title $tab_hardstatus screen_set $tab_title $tab_hardstatus
} }
# called by zsh before showing the prompt # called by zsh before showing the prompt
function precmd() function precmd()
{ {
if [ "$TITLE" != "" ]
then
eval "tab_title=$TITLE:$TAB_TITLE_PROMPT"
eval "tab_hardstatus=$TITLE:$TAB_HARDSTATUS_PROMPT"
else
eval "tab_title=$TAB_TITLE_PREFIX:$TAB_TITLE_PROMPT" eval "tab_title=$TAB_TITLE_PREFIX:$TAB_TITLE_PROMPT"
eval "tab_hardstatus=$TAB_HARDSTATUS_PREFIX:$TAB_HARDSTATUS_PROMPT" eval "tab_hardstatus=$TAB_HARDSTATUS_PREFIX:$TAB_HARDSTATUS_PROMPT"
fi
screen_set $tab_title $tab_hardstatus screen_set $tab_title $tab_hardstatus
} }
fi fi