git/t/t3007-ls-files-recurse-submodules.sh
Brandon Williams 75a6315f74 ls-files: add pathspec matching for submodules
Pathspecs can be a bit tricky when trying to apply them to submodules.
The main challenge is that the pathspecs will be with respect to the
superproject and not with respect to paths in the submodule.  The
approach this patch takes is to pass in the identical pathspec from the
superproject to the submodule in addition to the submodule-prefix, which
is the path from the root of the superproject to the submodule, and then
we can compare an entry in the submodule prepended with the
submodule-prefix to the pathspec in order to determine if there is a
match.

This patch also permits the pathspec logic to perform a prefix match against
submodules since a pathspec could refer to a file inside of a submodule.
Due to limitations in the wildmatch logic, a prefix match is only done
literally.  If any wildcard character is encountered we'll simply punt
and produce a false positive match.  More accurate matching will be done
once inside the submodule.  This is due to the superproject not knowing
what files could exist in the submodule.

Signed-off-by: Brandon Williams <bmwill@google.com>
Reviewed-by: Stefan Beller <sbeller@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-10-10 12:14:58 -07:00

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Executable file

#!/bin/sh
test_description='Test ls-files recurse-submodules feature
This test verifies the recurse-submodules feature correctly lists files from
submodules.
'
. ./test-lib.sh
test_expect_success 'setup directory structure and submodules' '
echo a >a &&
mkdir b &&
echo b >b/b &&
git add a b &&
git commit -m "add a and b" &&
git init submodule &&
echo c >submodule/c &&
git -C submodule add c &&
git -C submodule commit -m "add c" &&
git submodule add ./submodule &&
git commit -m "added submodule"
'
test_expect_success 'ls-files correctly outputs files in submodule' '
cat >expect <<-\EOF &&
.gitmodules
a
b/b
submodule/c
EOF
git ls-files --recurse-submodules >actual &&
test_cmp expect actual
'
test_expect_success 'ls-files correctly outputs files in submodule with -z' '
lf_to_nul >expect <<-\EOF &&
.gitmodules
a
b/b
submodule/c
EOF
git ls-files --recurse-submodules -z >actual &&
test_cmp expect actual
'
test_expect_success 'ls-files does not output files not added to a repo' '
cat >expect <<-\EOF &&
.gitmodules
a
b/b
submodule/c
EOF
echo a >not_added &&
echo b >b/not_added &&
echo c >submodule/not_added &&
git ls-files --recurse-submodules >actual &&
test_cmp expect actual
'
test_expect_success 'ls-files recurses more than 1 level' '
cat >expect <<-\EOF &&
.gitmodules
a
b/b
submodule/.gitmodules
submodule/c
submodule/subsub/d
EOF
git init submodule/subsub &&
echo d >submodule/subsub/d &&
git -C submodule/subsub add d &&
git -C submodule/subsub commit -m "add d" &&
git -C submodule submodule add ./subsub &&
git -C submodule commit -m "added subsub" &&
git ls-files --recurse-submodules >actual &&
test_cmp expect actual
'
test_expect_success '--recurse-submodules and pathspecs setup' '
echo e >submodule/subsub/e.txt &&
git -C submodule/subsub add e.txt &&
git -C submodule/subsub commit -m "adding e.txt" &&
echo f >submodule/f.TXT &&
echo g >submodule/g.txt &&
git -C submodule add f.TXT g.txt &&
git -C submodule commit -m "add f and g" &&
echo h >h.txt &&
mkdir sib &&
echo sib >sib/file &&
git add h.txt sib/file &&
git commit -m "add h and sib/file" &&
git init sub &&
echo sub >sub/file &&
git -C sub add file &&
git -C sub commit -m "add file" &&
git submodule add ./sub &&
git commit -m "added sub" &&
cat >expect <<-\EOF &&
.gitmodules
a
b/b
h.txt
sib/file
sub/file
submodule/.gitmodules
submodule/c
submodule/f.TXT
submodule/g.txt
submodule/subsub/d
submodule/subsub/e.txt
EOF
git ls-files --recurse-submodules >actual &&
test_cmp expect actual &&
cat actual &&
git ls-files --recurse-submodules "*" >actual &&
test_cmp expect actual
'
test_expect_success '--recurse-submodules and pathspecs' '
cat >expect <<-\EOF &&
h.txt
submodule/g.txt
submodule/subsub/e.txt
EOF
git ls-files --recurse-submodules "*.txt" >actual &&
test_cmp expect actual
'
test_expect_success '--recurse-submodules and pathspecs' '
cat >expect <<-\EOF &&
h.txt
submodule/f.TXT
submodule/g.txt
submodule/subsub/e.txt
EOF
git ls-files --recurse-submodules ":(icase)*.txt" >actual &&
test_cmp expect actual
'
test_expect_success '--recurse-submodules and pathspecs' '
cat >expect <<-\EOF &&
h.txt
submodule/f.TXT
submodule/g.txt
EOF
git ls-files --recurse-submodules ":(icase)*.txt" ":(exclude)submodule/subsub/*" >actual &&
test_cmp expect actual
'
test_expect_success '--recurse-submodules and pathspecs' '
cat >expect <<-\EOF &&
sub/file
EOF
git ls-files --recurse-submodules "sub" >actual &&
test_cmp expect actual &&
git ls-files --recurse-submodules "sub/" >actual &&
test_cmp expect actual &&
git ls-files --recurse-submodules "sub/file" >actual &&
test_cmp expect actual &&
git ls-files --recurse-submodules "su*/file" >actual &&
test_cmp expect actual &&
git ls-files --recurse-submodules "su?/file" >actual &&
test_cmp expect actual
'
test_expect_success '--recurse-submodules and pathspecs' '
cat >expect <<-\EOF &&
sib/file
sub/file
EOF
git ls-files --recurse-submodules "s??/file" >actual &&
test_cmp expect actual &&
git ls-files --recurse-submodules "s???file" >actual &&
test_cmp expect actual &&
git ls-files --recurse-submodules "s*file" >actual &&
test_cmp expect actual
'
test_expect_success '--recurse-submodules does not support --error-unmatch' '
test_must_fail git ls-files --recurse-submodules --error-unmatch 2>actual &&
test_i18ngrep "does not support --error-unmatch" actual
'
test_incompatible_with_recurse_submodules () {
test_expect_success "--recurse-submodules and $1 are incompatible" "
test_must_fail git ls-files --recurse-submodules $1 2>actual &&
test_i18ngrep 'unsupported mode' actual
"
}
test_incompatible_with_recurse_submodules --deleted
test_incompatible_with_recurse_submodules --modified
test_incompatible_with_recurse_submodules --others
test_incompatible_with_recurse_submodules --stage
test_incompatible_with_recurse_submodules --killed
test_incompatible_with_recurse_submodules --unmerged
test_done