p/sdn
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Let the caller decide how to launch helpers

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In the end, we don't need to impose any policy on it,
and it removes a level of quoting, as well as an `eval`.
This commit is contained in:
Přemysl Eric Janouch 2020-10-08 19:43:19 +02:00
parent 6aa4bd2ff5
commit 63e7895905
Signed by: p
GPG Key ID: A0420B94F92B9493
2 changed files with 5 additions and 6 deletions
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8
README.adoc
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@ -64,7 +64,7 @@ sdn-navigate () {
# helpers after the terminal has been resized while running sdn
command true
eval "exec </dev/tty; $helper" || break
/bin/sh -c "$helper" </dev/tty || break
done
# ... possibly zle-line-init
zle reset-prompt
@ -86,7 +86,7 @@ function sdn-navigate
test -z "$cd" || cd "$cd"
test -z "$insert" || commandline --insert "$insert "
test -z "$helper" && break
eval $helper || break
/bin/sh -c "$helper" || break
end
commandline --function repaint
end
@ -111,7 +111,7 @@ sdn-navigate () {
((SDN_P=SDN_P+${#insert}+1))
}
[[ -z "$helper" ]] && break
eval "$helper" || break
/bin/sh -c "$helper" || break
done
}
sdn-restore () {
@ -132,7 +132,7 @@ To start using this navigator, put the following in your 'rc.elv':
use str
edit:insert:binding[Alt-o] = {
local:reesc = [posix]{ str:replace "'\\''" "''" $posix }
local:posix = [cmd]{ eval ($reesc $cmd)" </dev/tty >/dev/tty 2>&1" }
local:posix = [cmd]{ /bin/sh -c $cmd </dev/tty >/dev/tty 2>&1 }
# XXX: the -dot is not a stable API, and may hence break soon
local:buffer = $edit:current-command

3
sdn.cpp
View File

@ -861,8 +861,7 @@ fun run_program (initializer_list<const char*> list, const string &filename) {
for (auto program : list)
if ((found = program))
break;
g.ext_helper = "/bin/sh -c " +
shell_escape (string (found) + " " + shell_escape (filename));
g.ext_helper = found + (" " + shell_escape (filename));
g.quitting = true;
return;
}