From d50372cad35d5dd12e6391c3c7c901a96122dc67 Mon Sep 17 00:00:00 2001
From: Rob Landley <rob@landley.net>
Date: Fri, 16 Aug 2024 23:51:51 -0500
Subject: [PATCH] Add obsolete sparse format test file, with test.

The trick is legacy tar ignores --sparse-format unless you also say --posix.
---
 tests/files/tar/oldsparse.tgz | Bin 0 -> 363 bytes
 tests/tar.test                |  11 ++++++++---
 2 files changed, 8 insertions(+), 3 deletions(-)
 create mode 100644 tests/files/tar/oldsparse.tgz

diff --git a/tests/files/tar/oldsparse.tgz b/tests/files/tar/oldsparse.tgz
new file mode 100644
index 0000000000000000000000000000000000000000..a5be64b1564a3263456e9ae1f7e4378c895763e5
GIT binary patch
literal 363
zcmV-x0hIn9iwFP>E5K#~1MSpLOT#b#1@NBpDZ;!=(JW2Uv_t1ncM?H7sfW-;SLvUT
zZaNjeyXn}W8w^2lAbY<{N?rnm<b@5c&0=g#W?jQ1k7Y8L*rKRUnyGP(Wohtx+|x=e
zM{jfFlItK;T5~Q`97h2UWh7NV7r_q9o0)O`SAzW{1iievWvkOJ&2#NWA=#MCtL3az
z-Py{NcC>z1h~(WB&YGgh-|a|fAw<%q<t+ER!dS>e5A{$otrZ^%sp2*@-85E`MZ%{t
z;-XE{?Rx|GAvW*_cC$RMi@dOZ@&t7HAI1^yj;$~hYQ6u0`}-15zRUg>rpgNYwsqZi
z`R3#HU;0mcIYXsLqR6VI9Cg|s2YHni^UTt-W|rkOo17DpS2J3gyy~|f#yzFSG@Ten
zkNo$`-NPaIAe2s>Papfear;!z*V+}?ebqZWC7-xH0000000000000000000x_638N
J;hz8~003U+uzmml

literal 0
HcmV?d00001

diff --git a/tests/tar.test b/tests/tar.test
index 0a50a583..d07de368 100755
--- a/tests/tar.test
+++ b/tests/tar.test
@@ -283,6 +283,11 @@ rm -f blah.img
     "807664bcad0e827793318ff742991d6f006b2127\n" "" ""
   rm fweep2 fweep2.tar
 
+  testcmd 'extract obsolete sparse format' \
+    'xf "$FILES"/tar/oldsparse.tgz && sha1sum hello-sparse.c | head -c 12' \
+    '9714dc7ac8c0' '' ''
+  rm -f hello-sparse.c
+
 SKIP=0 # End of sparse tests
 
 mkdir -p links
@@ -424,14 +429,14 @@ touch file
 testing './file bug' 'tar c ./file > tar.tar && tar t ./file < tar.tar' \
   './file\n' '' ''
 
-skipnot [ $(id -u) -ne 0 ]  # Root doesn't count.
+skipnot [ $(id -u) -ne 0 ]  # Root defaults to -p
 testing 'honor umask' \
   'umask 0022 && rm -rf dir && mkdir dir && tar xf $FILES/tar/dir.tar && stat -c%A dir dir/file' \
   'drwxr-xr-x\n-rwxr-xr-x\n' '' ''
-testing 'umask2' \
+testing 'extract changes directory permissions' \
   'umask 0022 && rm -rf dir && mkdir dir && umask 0 && tar xf $FILES/tar/dir.tar && stat -c%A dir dir/file' \
   'drwxrwxrwx\n-rwxrwxrwx\n' '' ''
-testing 'umask3' \
+testing '-p overrides umask' \
   'umask 0022 && rm -rf dir && mkdir dir && tar xpf $FILES/tar/dir.tar && stat -c%A dir dir/file' \
   'drwxrwxrwx\n-rwxrwxrwx\n' '' ''
 
-- 
2.39.2