[PATCH 8/24] ver_linux: e2fsprogs.patch

[Alexander Kapshuk]

'tune2fs' is located in varying places depending on the distro.
Current implementation output on distros where 'tune2fs' is found at
a location that is not available in the PATH for the regular user,
e.g. '/sbin', will have nothing to display.
While running 'ver_linux' as user 'root' should be OK.

Proposed implementation, makes provision for locating 'tune2fs', making
it more reliable across the various distros.

Tested on:
Gentoo Linux
Debian 6.0.10
Oracle Linux Server release 7.1
Arch Linux
openSuSE 13.2

Signed-off-by: Alexander Kapshuk <alexander.kapshuk@xxxxxxxxx>
---
--- linux/scripts/ver_linux.orig    2015-10-03 13:41:57.118790241 +0300
+++ linux/scripts/ver_linux    2015-10-03 13:52:04.635699263 +0300
@@ -27,8 +27,14 @@

 depmod -V  2>&1 | awk 'NR==1 {print "module-init-tools     ",$NF}'

-tune2fs 2>&1 | grep "^tune2fs" | sed 's/,//' |  awk \
-'NR==1 {print "e2fsprogs             ", $2}'
+test -x "$tune2fs" &&
+$tune2fs 2>&1 |
+sed '
+    /^tune2fs/!d
+    s/-.*//
+    s/[^0-9\.]*//
+    s/.*[ \t]\(.*\)[ \t].*/e2fsprogs\t\t\1/
+'

 fsck.jfs -V 2>&1 | grep version | sed 's/,//' |  awk \
 'NR==1 {print "jfsutils              ", $3}'
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