git-commit-vandalism/t/t1404-update-ref-df-conflicts.sh
Michael Haggerty e167a5673e read_raw_ref(): don't get confused by an empty directory
Even if there is an empty directory where we look for the loose version
of a reference, check for a packed reference before giving up. This
fixes the failing test that was introduced two commits ago.

Signed-off-by: Michael Haggerty <mhagger@alum.mit.edu>
2016-05-05 16:37:04 +02:00

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#!/bin/sh
test_description='Test git update-ref with D/F conflicts'
. ./test-lib.sh
test_update_rejected () {
prefix="$1" &&
before="$2" &&
pack="$3" &&
create="$4" &&
error="$5" &&
printf "create $prefix/%s $C\n" $before |
git update-ref --stdin &&
git for-each-ref $prefix >unchanged &&
if $pack
then
git pack-refs --all
fi &&
printf "create $prefix/%s $C\n" $create >input &&
test_must_fail git update-ref --stdin <input 2>output.err &&
grep -F "$error" output.err &&
git for-each-ref $prefix >actual &&
test_cmp unchanged actual
}
Q="'"
test_expect_success 'setup' '
git commit --allow-empty -m Initial &&
C=$(git rev-parse HEAD) &&
git commit --allow-empty -m Second &&
D=$(git rev-parse HEAD)
'
test_expect_success 'existing loose ref is a simple prefix of new' '
prefix=refs/1l &&
test_update_rejected $prefix "a c e" false "b c/x d" \
"$Q$prefix/c$Q exists; cannot create $Q$prefix/c/x$Q"
'
test_expect_success 'existing packed ref is a simple prefix of new' '
prefix=refs/1p &&
test_update_rejected $prefix "a c e" true "b c/x d" \
"$Q$prefix/c$Q exists; cannot create $Q$prefix/c/x$Q"
'
test_expect_success 'existing loose ref is a deeper prefix of new' '
prefix=refs/2l &&
test_update_rejected $prefix "a c e" false "b c/x/y d" \
"$Q$prefix/c$Q exists; cannot create $Q$prefix/c/x/y$Q"
'
test_expect_success 'existing packed ref is a deeper prefix of new' '
prefix=refs/2p &&
test_update_rejected $prefix "a c e" true "b c/x/y d" \
"$Q$prefix/c$Q exists; cannot create $Q$prefix/c/x/y$Q"
'
test_expect_success 'new ref is a simple prefix of existing loose' '
prefix=refs/3l &&
test_update_rejected $prefix "a c/x e" false "b c d" \
"$Q$prefix/c/x$Q exists; cannot create $Q$prefix/c$Q"
'
test_expect_success 'new ref is a simple prefix of existing packed' '
prefix=refs/3p &&
test_update_rejected $prefix "a c/x e" true "b c d" \
"$Q$prefix/c/x$Q exists; cannot create $Q$prefix/c$Q"
'
test_expect_success 'new ref is a deeper prefix of existing loose' '
prefix=refs/4l &&
test_update_rejected $prefix "a c/x/y e" false "b c d" \
"$Q$prefix/c/x/y$Q exists; cannot create $Q$prefix/c$Q"
'
test_expect_success 'new ref is a deeper prefix of existing packed' '
prefix=refs/4p &&
test_update_rejected $prefix "a c/x/y e" true "b c d" \
"$Q$prefix/c/x/y$Q exists; cannot create $Q$prefix/c$Q"
'
test_expect_success 'one new ref is a simple prefix of another' '
prefix=refs/5 &&
test_update_rejected $prefix "a e" false "b c c/x d" \
"cannot process $Q$prefix/c$Q and $Q$prefix/c/x$Q at the same time"
'
test_expect_success 'empty directory should not fool rev-parse' '
prefix=refs/e-rev-parse &&
git update-ref $prefix/foo $C &&
git pack-refs --all &&
mkdir -p .git/$prefix/foo/bar/baz &&
echo "$C" >expected &&
git rev-parse $prefix/foo >actual &&
test_cmp expected actual
'
test_expect_success 'empty directory should not fool for-each-ref' '
prefix=refs/e-for-each-ref &&
git update-ref $prefix/foo $C &&
git for-each-ref $prefix >expected &&
git pack-refs --all &&
mkdir -p .git/$prefix/foo/bar/baz &&
git for-each-ref $prefix >actual &&
test_cmp expected actual
'
test_expect_success 'empty directory should not fool create' '
prefix=refs/e-create &&
mkdir -p .git/$prefix/foo/bar/baz &&
printf "create %s $C\n" $prefix/foo |
git update-ref --stdin
'
test_expect_success 'empty directory should not fool verify' '
prefix=refs/e-verify &&
git update-ref $prefix/foo $C &&
git pack-refs --all &&
mkdir -p .git/$prefix/foo/bar/baz &&
printf "verify %s $C\n" $prefix/foo |
git update-ref --stdin
'
test_expect_success 'empty directory should not fool 1-arg update' '
prefix=refs/e-update-1 &&
git update-ref $prefix/foo $C &&
git pack-refs --all &&
mkdir -p .git/$prefix/foo/bar/baz &&
printf "update %s $D\n" $prefix/foo |
git update-ref --stdin
'
test_expect_success 'empty directory should not fool 2-arg update' '
prefix=refs/e-update-2 &&
git update-ref $prefix/foo $C &&
git pack-refs --all &&
mkdir -p .git/$prefix/foo/bar/baz &&
printf "update %s $D $C\n" $prefix/foo |
git update-ref --stdin
'
test_expect_success 'empty directory should not fool 0-arg delete' '
prefix=refs/e-delete-0 &&
git update-ref $prefix/foo $C &&
git pack-refs --all &&
mkdir -p .git/$prefix/foo/bar/baz &&
printf "delete %s\n" $prefix/foo |
git update-ref --stdin
'
test_expect_success 'empty directory should not fool 1-arg delete' '
prefix=refs/e-delete-1 &&
git update-ref $prefix/foo $C &&
git pack-refs --all &&
mkdir -p .git/$prefix/foo/bar/baz &&
printf "delete %s $C\n" $prefix/foo |
git update-ref --stdin
'
test_done