git/t/t6130-pathspec-noglob.sh
Nguyễn Thái Ngọc Duy 4a2d5ae262 pathspec: stop --*-pathspecs impact on internal parse_pathspec() uses
Normally parse_pathspec() is used on command line arguments where it
can do fancy thing like parsing magic on each argument or adding magic
for all pathspecs based on --*-pathspecs options.

There's another use of parse_pathspec(), where pathspec is needed, but
the input is known to be pure paths. In this case we usually don't
want --*-pathspecs to interfere. And we definitely do not want to
parse magic in these paths, regardless of --literal-pathspecs.

Add new flag PATHSPEC_LITERAL_PATH for this purpose. When it's set,
--*-pathspecs are ignored, no magic is parsed. And if the caller
allows PATHSPEC_LITERAL (i.e. the next calls can take literal magic),
then PATHSPEC_LITERAL will be set.

This fixes cases where git chokes when GIT_*_PATHSPECS are set because
parse_pathspec() indicates it won't take any magic. But
GIT_*_PATHSPECS add them anyway. These are

   export GIT_LITERAL_PATHSPECS=1
   git blame -- something
   git log --follow something
   git log --merge

"git ls-files --with-tree=path" (aka parse_pathspec() in
overlay_tree_on_cache()) is safe because the input is empty, and
producing one pathspec due to PATHSPEC_PREFER_CWD does not take any
magic into account.

Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Acked-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2013-10-28 09:57:36 -07:00

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#!/bin/sh
test_description='test globbing (and noglob) of pathspec limiting'
. ./test-lib.sh
test_expect_success 'create commits with glob characters' '
test_commit unrelated bar &&
test_commit vanilla foo &&
# insert file "f*" in the commit, but in a way that avoids
# the name "f*" in the worktree, because it is not allowed
# on Windows (the tests below do not depend on the presence
# of the file in the worktree)
git update-index --add --cacheinfo 100644 "$(git rev-parse HEAD:foo)" "f*" &&
test_tick &&
git commit -m star &&
test_commit bracket "f[o][o]"
'
test_expect_success 'vanilla pathspec matches literally' '
echo vanilla >expect &&
git log --format=%s -- foo >actual &&
test_cmp expect actual
'
test_expect_success 'star pathspec globs' '
cat >expect <<-\EOF &&
bracket
star
vanilla
EOF
git log --format=%s -- "f*" >actual &&
test_cmp expect actual
'
test_expect_success 'star pathspec globs' '
cat >expect <<-\EOF &&
bracket
star
vanilla
EOF
git log --format=%s -- ":(glob)f*" >actual &&
test_cmp expect actual
'
test_expect_success 'bracket pathspec globs and matches literal brackets' '
cat >expect <<-\EOF &&
bracket
vanilla
EOF
git log --format=%s -- "f[o][o]" >actual &&
test_cmp expect actual
'
test_expect_success 'bracket pathspec globs and matches literal brackets' '
cat >expect <<-\EOF &&
bracket
vanilla
EOF
git log --format=%s -- ":(glob)f[o][o]" >actual &&
test_cmp expect actual
'
test_expect_success 'no-glob option matches literally (vanilla)' '
echo vanilla >expect &&
git --literal-pathspecs log --format=%s -- foo >actual &&
test_cmp expect actual
'
test_expect_success 'no-glob option matches literally (vanilla)' '
echo vanilla >expect &&
git log --format=%s -- ":(literal)foo" >actual &&
test_cmp expect actual
'
test_expect_success 'no-glob option matches literally (star)' '
echo star >expect &&
git --literal-pathspecs log --format=%s -- "f*" >actual &&
test_cmp expect actual
'
test_expect_success 'no-glob option matches literally (star)' '
echo star >expect &&
git log --format=%s -- ":(literal)f*" >actual &&
test_cmp expect actual
'
test_expect_success 'no-glob option matches literally (bracket)' '
echo bracket >expect &&
git --literal-pathspecs log --format=%s -- "f[o][o]" >actual &&
test_cmp expect actual
'
test_expect_success 'no-glob option matches literally (bracket)' '
echo bracket >expect &&
git log --format=%s -- ":(literal)f[o][o]" >actual &&
test_cmp expect actual
'
test_expect_success 'no-glob option disables :(literal)' '
: >expect &&
git --literal-pathspecs log --format=%s -- ":(literal)foo" >actual &&
test_cmp expect actual
'
test_expect_success 'no-glob environment variable works' '
echo star >expect &&
GIT_LITERAL_PATHSPECS=1 git log --format=%s -- "f*" >actual &&
test_cmp expect actual
'
test_expect_success 'blame takes global pathspec flags' '
git --literal-pathspecs blame -- foo &&
git --icase-pathspecs blame -- foo &&
git --glob-pathspecs blame -- foo &&
git --noglob-pathspecs blame -- foo
'
test_expect_success 'setup xxx/bar' '
mkdir xxx &&
test_commit xxx xxx/bar
'
test_expect_success '**/ works with :(glob)' '
cat >expect <<-\EOF &&
xxx
unrelated
EOF
git log --format=%s -- ":(glob)**/bar" >actual &&
test_cmp expect actual
'
test_expect_success '**/ does not work with --noglob-pathspecs' '
: >expect &&
git --noglob-pathspecs log --format=%s -- "**/bar" >actual &&
test_cmp expect actual
'
test_expect_success '**/ works with :(glob) and --noglob-pathspecs' '
cat >expect <<-\EOF &&
xxx
unrelated
EOF
git --noglob-pathspecs log --format=%s -- ":(glob)**/bar" >actual &&
test_cmp expect actual
'
test_expect_success '**/ works with --glob-pathspecs' '
cat >expect <<-\EOF &&
xxx
unrelated
EOF
git --glob-pathspecs log --format=%s -- "**/bar" >actual &&
test_cmp expect actual
'
test_expect_success '**/ does not work with :(literal) and --glob-pathspecs' '
: >expect &&
git --glob-pathspecs log --format=%s -- ":(literal)**/bar" >actual &&
test_cmp expect actual
'
test_done