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guix-install.sh: Exit early if Guix is already installed.

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* etc/guix-install.sh (sys_create_store): Move the check & exit before The
Guix binary archive is unpacked.  Re-indent tar extraction command.
This commit is contained in:
Maxim Cournoyer
2021-05-04 22:48:20 -04:00
parent 5b0ce3393b
commit 74009c4cf0
1 changed files with 7 additions and 9 deletions
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16
etc/guix-install.sh
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@@ -322,20 +322,18 @@ sys_create_store()
_debug "--- [ ${FUNCNAME[0]} ] ---"
cd "$tmp_path"
tar --extract \
--file "$pkg" &&
_msg "${PAS}unpacked archive"
if [[ -e "/var/guix" || -e "/gnu" ]]; then
_err "${ERR}A previous Guix installation was found. Refusing to overwrite."
exit 1
else
_msg "${INF}Installing /var/guix and /gnu..."
mv "${tmp_path}/var/guix" /var/
mv "${tmp_path}/gnu" /
fi
cd "$tmp_path"
tar --extract --file "$pkg" && _msg "${PAS}unpacked archive"
_msg "${INF}Installing /var/guix and /gnu..."
mv "${tmp_path}/var/guix" /var/
mv "${tmp_path}/gnu" /
_msg "${INF}Linking the root user's profile"
mkdir -p "~root/.config/guix"
ln -sf /var/guix/profiles/per-user/root/current-guix \