[PATCH v2] linguas: Ensure that linguas.sh runs from the directory that it resides

* [PATCH v2] linguas: Ensure that linguas.sh runs from the directory that it resides
@ 2025-11-17  4:23 Glenn Washburn
  2025-11-17 17:41 ` Daniel Kiper
  0 siblings, 1 reply; 2+ messages in thread
From: Glenn Washburn @ 2025-11-17  4:23 UTC (permalink / raw)
  To: grub-devel; +Cc: Daniel Kiper, Glenn Washburn

The script assumes that it is run from the root of the source tree,
which is where it is located. So this should be enforced to prevent
accidental misuses.

realpath is used instead of readlink as that is recommended in Debian's
readlink manpage since at least Debian 11. Also, use the shell variable's
parameter expansion for removing a suffix pattern to get the directory
in which the script resides. This is preferable to using the dirname binary
as it avoids creating a new process.

Signed-off-by: Glenn Washburn <development@efficientek.com>
---
 linguas.sh | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/linguas.sh b/linguas.sh
index b95ad4f7d9c2..45cdf2ac14ac 100755
--- a/linguas.sh
+++ b/linguas.sh
@@ -1,5 +1,10 @@
 #!/bin/sh
 
+SDIR=$(realpath -e "$0")
+SDIR=${SDIR%/*}
+
+cd "$SDIR"
+
 rsync -Lrtvz translationproject.org::tp/latest/grub/ po
 
 autogenerated="en@quot en@hebrew de@hebrew en@cyrillic en@greek en@arabic en@piglatin de_CH"
-- 
2.34.1


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