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Export user-options on change #1418

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merged 2 commits into from
Sep 11, 2023
Merged

Export user-options on change #1418

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bd175be
Export user-options when they are evaluated
raslop Sep 10, 2023
77aebb0
Fix: Add explaining comment
raslop Sep 11, 2023
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4 changes: 4 additions & 0 deletions eval.go
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Original file line number Diff line number Diff line change
Expand Up @@ -920,6 +920,10 @@ func (e *setExpr) eval(app *app, args []string) {
// any key with the prefix user_ is accepted as a user defined option
if strings.HasPrefix(e.opt, "user_") {
gOpts.user[e.opt[5:]] = e.val
// Export user defined options immediately, so that the current values
// are available for some external previewer, which is started in a
// different thread and thus cannot export (as `setenv` is not thread-safe).
os.Setenv("lf_"+e.opt, e.val)
} else {
app.ui.echoerrf("unknown option: %s", e.opt)
}
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