GNU GRUB - Bugs: bug #56088, Side effects of setting variables...
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bug #56088: Side effects of setting variables are not undone after exiting a context in which they were set
Submitter: | felix <felix_s> | ||
Submitted: | 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: | |
Open/Closed: | Open | Release: | 2.02 |
Release: | Reproducibility: | Every Time | |
Planned Release: | None |
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Depends on the following items: None found
Items that depend on this one: None found
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Corresponding source code
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.