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[bug#40601,4/5] guix-install.sh: Fix detection of SysV init system.

Message ID 20201220172839.3059-4-vincent.legoll@gmail.com
State New
Headers show
Series [bug#40601,1/5] guix-install.sh: Remove "[[" bashisms in chk_init_sys(). | expand

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Commit Message

Vincent Legoll Dec. 20, 2020, 5:28 p.m. UTC 
Checking the presence of a regular file & not symlink (/etc/init.d/cron)
is not sufficient.

Detect a sysvinit system by running `/sbin/init --version' and checking the
output contains the string "SysV".

* etc/guix-install.sh (chk_init_sys): fix sysvinit system detection.
---
 etc/guix-install.sh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
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Patch

diff --git a/etc/guix-install.sh b/etc/guix-install.sh
index d40d90b377..307c42d3fb 100755
--- a/etc/guix-install.sh
+++ b/etc/guix-install.sh
@@ -150,7 +150,7 @@  chk_init_sys()
         _msg "${INF}init system is: systemd"
         INIT_SYS="systemd"
         return 0
-    elif [[ -f /etc/init.d/cron && ! -h /etc/init.d/cron ]]; then
+    elif /sbin/init --version 2>/dev/null | grep -q SysV; then
         _msg "${INF}init system is: sysv-init"
         INIT_SYS="sysv-init"
         return 0