'
+test_expect_success 'checkout should not delete log for packed ref' '
+ test $(git reflog master | wc -l) = 4 &&
+ git branch foo &&
+ git pack-refs --all &&
+ git checkout foo &&
+ test $(git reflog master | wc -l) = 4
+'
+
test_expect_success 'stale dirs do not cause d/f conflicts (reflogs on)' '
- test_when_finished "git branch -d a || git branch -d a/b" &&
+ test_when_finished "git branch -d one || git branch -d one/two" &&
- git branch a/b master &&
- echo "a/b@{0} branch: Created from master" >expect &&
- git log -g --format="%gd %gs" a/b >actual &&
+ git branch one/two master &&
+ echo "one/two@{0} branch: Created from master" >expect &&
+ git log -g --format="%gd %gs" one/two >actual &&
test_cmp expect actual &&
- git branch -d a/b &&
+ git branch -d one/two &&
- # now logs/refs/heads/a is a stale directory, but
- # we should move it out of the way to create "a" reflog
- git branch a master &&
- echo "a@{0} branch: Created from master" >expect &&
- git log -g --format="%gd %gs" a >actual &&
+ # now logs/refs/heads/one is a stale directory, but
+ # we should move it out of the way to create "one" reflog
+ git branch one master &&
+ echo "one@{0} branch: Created from master" >expect &&
+ git log -g --format="%gd %gs" one >actual &&
test_cmp expect actual
'
test_expect_success 'stale dirs do not cause d/f conflicts (reflogs off)' '
- test_when_finished "git branch -d a || git branch -d a/b" &&
+ test_when_finished "git branch -d one || git branch -d one/two" &&
- git branch a/b master &&
- echo "a/b@{0} branch: Created from master" >expect &&
- git log -g --format="%gd %gs" a/b >actual &&
+ git branch one/two master &&
+ echo "one/two@{0} branch: Created from master" >expect &&
+ git log -g --format="%gd %gs" one/two >actual &&
test_cmp expect actual &&
- git branch -d a/b &&
+ git branch -d one/two &&
- # same as before, but we only create a reflog for "a" if
+ # same as before, but we only create a reflog for "one" if
# it already exists, which it does not
- git -c core.logallrefupdates=false branch a master &&
+ git -c core.logallrefupdates=false branch one master &&
: >expect &&
- git log -g --format="%gd %gs" a >actual &&
+ git log -g --format="%gd %gs" one >actual &&
+ test_cmp expect actual
+'
+
+# Triggering the bug detected by this test requires a newline to fall
+# exactly BUFSIZ-1 bytes from the end of the file. We don't know
+# what that value is, since it's platform dependent. However, if
+# we choose some value N, we also catch any D which divides N evenly
+# (since we will read backwards in chunks of D). So we choose 8K,
+# which catches glibc (with an 8K BUFSIZ) and *BSD (1K).
+#
+# Each line is 114 characters, so we need 75 to still have a few before the
+# last 8K. The 89-character padding on the final entry lines up our
+# newline exactly.
+test_expect_success 'parsing reverse reflogs at BUFSIZ boundaries' '
+ git checkout -b reflogskip &&
+ z38=00000000000000000000000000000000000000 &&
+ ident="abc <xyz> 0000000001 +0000" &&
+ for i in $(test_seq 1 75); do
+ printf "$z38%02d $z38%02d %s\t" $i $(($i+1)) "$ident" &&
+ if test $i = 75; then
+ for j in $(test_seq 1 89); do
+ printf X
+ done
+ else
+ printf X
+ fi &&
+ printf "\n"
+ done >.git/logs/refs/heads/reflogskip &&
+ git rev-parse reflogskip@{73} >actual &&
+ echo ${z38}03 >expect &&
test_cmp expect actual
'