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write_entry(): fix misuses of path in error messages

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The variables `path` and `ce->name`, at write_entry(), usually have the
same contents, but that's not the case when using a checkout prefix or
writing to a tempfile. (In fact, `path` will be either empty or dirty
when writing to a tempfile.) Therefore, these variables cannot be used
interchangeably. In this sense, fix wrong uses of `path` in error
messages where it should really be `ce->name`, and add some regression
tests. (Note: there doesn't seem to be any misuse in the other way
around.)

Signed-off-by: Matheus Tavares <matheus.bernardino@usp.br>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Matheus Tavares 2021-02-16 11:06:51 -03:00 committed by Junio C Hamano
parent 773e25afc4
commit 9334ea8e92
2 changed files with 27 additions and 4 deletions
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8
entry.c
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@ -282,7 +282,7 @@ static int write_entry(struct cache_entry *ce,
new_blob = read_blob_entry(ce, &size);
if (!new_blob)
return error("unable to read sha1 file of %s (%s)",
path, oid_to_hex(&ce->oid));
ce->name, oid_to_hex(&ce->oid));
/*
* We can't make a real symlink; write out a regular file entry
@ -309,7 +309,7 @@ static int write_entry(struct cache_entry *ce,
new_blob = read_blob_entry(ce, &size);
if (!new_blob)
return error("unable to read sha1 file of %s (%s)",
path, oid_to_hex(&ce->oid));
ce->name, oid_to_hex(&ce->oid));
}
/*
@ -354,7 +354,7 @@ static int write_entry(struct cache_entry *ce,
case S_IFGITLINK:
if (to_tempfile)
return error("cannot create temporary submodule %s", path);
return error("cannot create temporary submodule %s", ce->name);
if (mkdir(path, 0777) < 0)
return error("cannot create submodule directory %s", path);
sub = submodule_from_ce(ce);
@ -365,7 +365,7 @@ static int write_entry(struct cache_entry *ce,
break;
default:
return error("unknown file mode for %s in index", path);
return error("unknown file mode for %s in index", ce->name);
}
finish:

23
t/t2006-checkout-index-basic.sh
View File

@ -32,4 +32,27 @@ test_expect_success 'checkout-index reports errors (stdin)' '
test_i18ngrep not.in.the.cache stderr
'
test_expect_success 'checkout-index --temp correctly reports error on missing blobs' '
test_when_finished git reset --hard &&
missing_blob=$(echo "no such blob here" | git hash-object --stdin) &&
cat >objs <<-EOF &&
100644 $missing_blob file
120000 $missing_blob symlink
EOF
git update-index --index-info <objs &&
test_must_fail git checkout-index --temp symlink file 2>stderr &&
test_i18ngrep "unable to read sha1 file of file ($missing_blob)" stderr &&
test_i18ngrep "unable to read sha1 file of symlink ($missing_blob)" stderr
'
test_expect_success 'checkout-index --temp correctly reports error for submodules' '
git init sub &&
test_commit -C sub file &&
git submodule add ./sub &&
git commit -m sub &&
test_must_fail git checkout-index --temp sub 2>stderr &&
test_i18ngrep "cannot create temporary submodule sub" stderr
'
test_done