URL:
<https://savannah.gnu.org/bugs/?56088>
Summary: Side effects of setting variables are not undone
after exiting a context in which they were set
Project: GNU GRUB
Submitted by: felix_s
Submitted on: Sat 06 Apr 2019 06:28:05 PM UTC
Category: None
Severity: Major
Priority: 5 - Normal
Item Group: Software Error
Status: None
Privacy: Public
Assigned to: None
Originator Name:
Originator Email:
Open/Closed: Open
Discussion Lock: Any
Release:
Release: 2.02
Reproducibility: Every Time
Planned Release: None
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Details:
Steps to reproduce:
0. Prepare a configuration file containing the line: set
color_normal=red/white
1. Launch GRUB command line.
1. Run: set color_normal=white/black
2. Load the file prepared in step 0 using configfile.
3. Run: echo $color_normal
4. Observe the red text 'white/black' was output on white background; the
variable value is inconsistent with the actually applied setting, which was
changed in an inner context.
This applies to any variable with side effects; color_normal is just the
easiest to demonstrate.
Expected result: Variable contents are consistent with applied settings.
Preferably by restoring the old setting upon exiting the context, which makes
all variables behave identically with respect to contexts.
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<https://savannah.gnu.org/bugs/?56088>
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