"kpsewhich tcolorbox.sty" can be empty if tcolorbox is not
available.
If this is the case, "grep" in `grep ProvidePackage | sed ...`
will wait forever.
Add an empty check in front of "grep" with exit code of 1.
Fixes: b2f19231bcc5 ("utilities/autodate.sh: Make newer tcolorbox behave as before")
Signed-off-by: Akira Yokosawa <akiyks@xxxxxxxxx>
---
Change since v1:
o Fix string comparison operator of shell script ("=")
--
utilities/autodate.sh | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/utilities/autodate.sh b/utilities/autodate.sh
index 7bd7cbb8..acf3b051 100644
--- a/utilities/autodate.sh
+++ b/utilities/autodate.sh
@@ -97,6 +97,13 @@ env printf '\\IfQqzBg{}{\\setboolean{qqzbg}{%s}}\n' $qqzbg
# command for newer tcolorbox (4.40 or later) to have backward-compatible skips
tcolorbox_sty=`kpsewhich tcolorbox.sty`
+
+if [ "$tcolorbox_sty" = "" ]
+then
+ echo "Error: package 'tcolorbox' not found. See See #9 in FAQ-BUILD.txt" >&2
+ exit 1
+fi
+
tcbversion=`grep ProvidesPackage $tcolorbox_sty | sed -e 's/.*version \([0-9]\+\.[0-9]\+\).*/\1/g'`
tcbold=4.39
env printf '%% tcolorbox version: %s\n' $tcbversion
--
2.17.1
