Fix snap refresh flag, printf format strings, and README profile option#18
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Co-authored-by: andreak3779 <11012375+andreak3779@users.noreply.github.com>
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[WIP] Update shell configuration instructions in README
Fix snap refresh flag, printf format strings, and README profile option
Feb 25, 2026
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Three bugs from the prior review: invalid
snapflag aborts the update script underset -e,printfuses variables as format strings, and README Option B references the wrong shell profile file.checkforupdates.shsnap refresh --stable→snap refresh(--stableis not a valid flag; caused immediate script abort underset -e)|| trueto bothsnap refreshandflatpak upgradeso non-critical refresh failures don't abort the update runshowhardware.shprintf "$HEADER ... $FOOTER"→printf "%b" "$HEADER ... $FOOTER"across all calls to avoid format string injection if%sequences appear in the variablesREADME.md~/.bash_profile→~/.profilefor Debian/Ubuntu/Zorin OS compatibility (these distros source~/.profile, not~/.bash_profile, for login shells by default)💡 You can make Copilot smarter by setting up custom instructions, customizing its development environment and configuring Model Context Protocol (MCP) servers. Learn more Copilot coding agent tips in the docs.