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git/t/t7814-grep-recurse-submodules.sh
Philippe Blain c56c48dd07 grep: ignore --recurse-submodules if --no-index is given 
Since grep learned to recurse into submodules in 0281e487fd
(grep: optionally recurse into submodules, 2016-12-16),
using --recurse-submodules along with --no-index makes Git
die().

This is unfortunate because if submodule.recurse is set in a user's
~/.gitconfig, invoking `git grep --no-index` either inside or outside
a Git repository results in

    fatal: option not supported with --recurse-submodules

Let's allow using these options together, so that setting submodule.recurse
globally does not prevent using `git grep --no-index`.

Using `--recurse-submodules` should not have any effect if `--no-index`
is used inside a repository, as Git will recurse into the checked out
submodule directories just like into regular directories.

Helped-by: Junio C Hamano <gitster@pobox.com>
Signed-off-by: Philippe Blain <levraiphilippeblain@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2020-01-30 10:15:58 -08:00

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#!/bin/sh
test_description='Test grep recurse-submodules feature
This test verifies the recurse-submodules feature correctly greps across
submodules.
'
. ./test-lib.sh
test_expect_success 'setup directory structure and submodule' '
echo "(1|2)d(3|4)" >a &&
mkdir b &&
echo "(3|4)" >b/b &&
git add a b &&
git commit -m "add a and b" &&
test_tick &&
git init submodule &&
echo "(1|2)d(3|4)" >submodule/a &&
git -C submodule add a &&
git -C submodule commit -m "add a" &&
git submodule add ./submodule &&
git commit -m "added submodule" &&
test_tick
'
test_expect_success 'grep correctly finds patterns in a submodule' '
cat >expect <<-\EOF &&
a:(1|2)d(3|4)
b/b:(3|4)
submodule/a:(1|2)d(3|4)
EOF
git grep -e "(3|4)" --recurse-submodules >actual &&
test_cmp expect actual
'
test_expect_success 'grep finds patterns in a submodule via config' '
test_config submodule.recurse true &&
# expect from previous test
git grep -e "(3|4)" >actual &&
test_cmp expect actual
'
test_expect_success 'grep --no-recurse-submodules overrides config' '
test_config submodule.recurse true &&
cat >expect <<-\EOF &&
a:(1|2)d(3|4)
b/b:(3|4)
EOF
git grep -e "(3|4)" --no-recurse-submodules >actual &&
test_cmp expect actual
'
test_expect_success 'grep and basic pathspecs' '
cat >expect <<-\EOF &&
submodule/a:(1|2)d(3|4)
EOF
git grep -e. --recurse-submodules -- submodule >actual &&
test_cmp expect actual
'
test_expect_success 'grep and nested submodules' '
git init submodule/sub &&
echo "(1|2)d(3|4)" >submodule/sub/a &&
git -C submodule/sub add a &&
git -C submodule/sub commit -m "add a" &&
test_tick &&
git -C submodule submodule add ./sub &&
git -C submodule add sub &&
git -C submodule commit -m "added sub" &&
test_tick &&
git add submodule &&
git commit -m "updated submodule" &&
test_tick &&
cat >expect <<-\EOF &&
a:(1|2)d(3|4)
b/b:(3|4)
submodule/a:(1|2)d(3|4)
submodule/sub/a:(1|2)d(3|4)
EOF
git grep -e "(3|4)" --recurse-submodules >actual &&
test_cmp expect actual
'
test_expect_success 'grep and multiple patterns' '
cat >expect <<-\EOF &&
a:(1|2)d(3|4)
submodule/a:(1|2)d(3|4)
submodule/sub/a:(1|2)d(3|4)
EOF
git grep -e "(3|4)" --and -e "(1|2)" --recurse-submodules >actual &&
test_cmp expect actual
'
test_expect_success 'grep and multiple patterns' '
cat >expect <<-\EOF &&
b/b:(3|4)
EOF
git grep -e "(3|4)" --and --not -e "(1|2)" --recurse-submodules >actual &&
test_cmp expect actual
'
test_expect_success 'basic grep tree' '
cat >expect <<-\EOF &&
HEAD:a:(1|2)d(3|4)
HEAD:b/b:(3|4)
HEAD:submodule/a:(1|2)d(3|4)
HEAD:submodule/sub/a:(1|2)d(3|4)
EOF
git grep -e "(3|4)" --recurse-submodules HEAD >actual &&
test_cmp expect actual
'
test_expect_success 'grep tree HEAD^' '
cat >expect <<-\EOF &&
HEAD^:a:(1|2)d(3|4)
HEAD^:b/b:(3|4)
HEAD^:submodule/a:(1|2)d(3|4)
EOF
git grep -e "(3|4)" --recurse-submodules HEAD^ >actual &&
test_cmp expect actual
'
test_expect_success 'grep tree HEAD^^' '
cat >expect <<-\EOF &&
HEAD^^:a:(1|2)d(3|4)
HEAD^^:b/b:(3|4)
EOF
git grep -e "(3|4)" --recurse-submodules HEAD^^ >actual &&
test_cmp expect actual
'
test_expect_success 'grep tree and pathspecs' '
cat >expect <<-\EOF &&
HEAD:submodule/a:(1|2)d(3|4)
HEAD:submodule/sub/a:(1|2)d(3|4)
EOF
git grep -e "(3|4)" --recurse-submodules HEAD -- submodule >actual &&
test_cmp expect actual
'
test_expect_success 'grep tree and pathspecs' '
cat >expect <<-\EOF &&
HEAD:submodule/a:(1|2)d(3|4)
HEAD:submodule/sub/a:(1|2)d(3|4)
EOF
git grep -e "(3|4)" --recurse-submodules HEAD -- "submodule*a" >actual &&
test_cmp expect actual
'
test_expect_success 'grep tree and more pathspecs' '
cat >expect <<-\EOF &&
HEAD:submodule/a:(1|2)d(3|4)
EOF
git grep -e "(3|4)" --recurse-submodules HEAD -- "submodul?/a" >actual &&
test_cmp expect actual
'
test_expect_success 'grep tree and more pathspecs' '
cat >expect <<-\EOF &&
HEAD:submodule/sub/a:(1|2)d(3|4)
EOF
git grep -e "(3|4)" --recurse-submodules HEAD -- "submodul*/sub/a" >actual &&
test_cmp expect actual
'
test_expect_success !MINGW 'grep recurse submodule colon in name' '
git init parent &&
test_when_finished "rm -rf parent" &&
echo "(1|2)d(3|4)" >"parent/fi:le" &&
git -C parent add "fi:le" &&
git -C parent commit -m "add fi:le" &&
test_tick &&
git init "su:b" &&
test_when_finished "rm -rf su:b" &&
echo "(1|2)d(3|4)" >"su:b/fi:le" &&
git -C "su:b" add "fi:le" &&
git -C "su:b" commit -m "add fi:le" &&
test_tick &&
git -C parent submodule add "../su:b" "su:b" &&
git -C parent commit -m "add submodule" &&
test_tick &&
cat >expect <<-\EOF &&
fi:le:(1|2)d(3|4)
su:b/fi:le:(1|2)d(3|4)
EOF
git -C parent grep -e "(1|2)d(3|4)" --recurse-submodules >actual &&
test_cmp expect actual &&
cat >expect <<-\EOF &&
HEAD:fi:le:(1|2)d(3|4)
HEAD:su:b/fi:le:(1|2)d(3|4)
EOF
git -C parent grep -e "(1|2)d(3|4)" --recurse-submodules HEAD >actual &&
test_cmp expect actual
'
test_expect_success 'grep history with moved submoules' '
git init parent &&
test_when_finished "rm -rf parent" &&
echo "(1|2)d(3|4)" >parent/file &&
git -C parent add file &&
git -C parent commit -m "add file" &&
test_tick &&
git init sub &&
test_when_finished "rm -rf sub" &&
echo "(1|2)d(3|4)" >sub/file &&
git -C sub add file &&
git -C sub commit -m "add file" &&
test_tick &&
git -C parent submodule add ../sub dir/sub &&
git -C parent commit -m "add submodule" &&
test_tick &&
cat >expect <<-\EOF &&
dir/sub/file:(1|2)d(3|4)
file:(1|2)d(3|4)
EOF
git -C parent grep -e "(1|2)d(3|4)" --recurse-submodules >actual &&
test_cmp expect actual &&
git -C parent mv dir/sub sub-moved &&
git -C parent commit -m "moved submodule" &&
test_tick &&
cat >expect <<-\EOF &&
file:(1|2)d(3|4)
sub-moved/file:(1|2)d(3|4)
EOF
git -C parent grep -e "(1|2)d(3|4)" --recurse-submodules >actual &&
test_cmp expect actual &&
cat >expect <<-\EOF &&
HEAD^:dir/sub/file:(1|2)d(3|4)
HEAD^:file:(1|2)d(3|4)
EOF
git -C parent grep -e "(1|2)d(3|4)" --recurse-submodules HEAD^ >actual &&
test_cmp expect actual
'
test_expect_success 'grep using relative path' '
test_when_finished "rm -rf parent sub" &&
git init sub &&
echo "(1|2)d(3|4)" >sub/file &&
git -C sub add file &&
git -C sub commit -m "add file" &&
test_tick &&
git init parent &&
echo "(1|2)d(3|4)" >parent/file &&
git -C parent add file &&
mkdir parent/src &&
echo "(1|2)d(3|4)" >parent/src/file2 &&
git -C parent add src/file2 &&
git -C parent submodule add ../sub &&
git -C parent commit -m "add files and submodule" &&
test_tick &&
# From top works
cat >expect <<-\EOF &&
file:(1|2)d(3|4)
src/file2:(1|2)d(3|4)
sub/file:(1|2)d(3|4)
EOF
git -C parent grep --recurse-submodules -e "(1|2)d(3|4)" >actual &&
test_cmp expect actual &&
# Relative path to top
cat >expect <<-\EOF &&
../file:(1|2)d(3|4)
file2:(1|2)d(3|4)
../sub/file:(1|2)d(3|4)
EOF
git -C parent/src grep --recurse-submodules -e "(1|2)d(3|4)" -- .. >actual &&
test_cmp expect actual &&
# Relative path to submodule
cat >expect <<-\EOF &&
../sub/file:(1|2)d(3|4)
EOF
git -C parent/src grep --recurse-submodules -e "(1|2)d(3|4)" -- ../sub >actual &&
test_cmp expect actual
'
test_expect_success 'grep from a subdir' '
test_when_finished "rm -rf parent sub" &&
git init sub &&
echo "(1|2)d(3|4)" >sub/file &&
git -C sub add file &&
git -C sub commit -m "add file" &&
test_tick &&
git init parent &&
mkdir parent/src &&
echo "(1|2)d(3|4)" >parent/src/file &&
git -C parent add src/file &&
git -C parent submodule add ../sub src/sub &&
git -C parent submodule add ../sub sub &&
git -C parent commit -m "add files and submodules" &&
test_tick &&
# Verify grep from root works
cat >expect <<-\EOF &&
src/file:(1|2)d(3|4)
src/sub/file:(1|2)d(3|4)
sub/file:(1|2)d(3|4)
EOF
git -C parent grep --recurse-submodules -e "(1|2)d(3|4)" >actual &&
test_cmp expect actual &&
# Verify grep from a subdir works
cat >expect <<-\EOF &&
file:(1|2)d(3|4)
sub/file:(1|2)d(3|4)
EOF
git -C parent/src grep --recurse-submodules -e "(1|2)d(3|4)" >actual &&
test_cmp expect actual
'
test_incompatible_with_recurse_submodules ()
{
test_expect_success "--recurse-submodules and $1 are incompatible" "
test_must_fail git grep -e. --recurse-submodules $1 2>actual &&
test_i18ngrep 'not supported with --recurse-submodules' actual
"
}
test_incompatible_with_recurse_submodules --untracked
test_expect_success 'grep --recurse-submodules --no-index ignores --recurse-submodules' '
git grep --recurse-submodules --no-index -e "^(.|.)[\d]" >actual &&
cat >expect <<-\EOF &&
a:(1|2)d(3|4)
submodule/a:(1|2)d(3|4)
submodule/sub/a:(1|2)d(3|4)
EOF
test_cmp expect actual
'
test_expect_success 'grep --recurse-submodules should pass the pattern type along' '
# Fixed
test_must_fail git grep -F --recurse-submodules -e "(.|.)[\d]" &&
test_must_fail git -c grep.patternType=fixed grep --recurse-submodules -e "(.|.)[\d]" &&
# Basic
git grep -G --recurse-submodules -e "(.|.)[\d]" >actual &&
cat >expect <<-\EOF &&
a:(1|2)d(3|4)
submodule/a:(1|2)d(3|4)
submodule/sub/a:(1|2)d(3|4)
EOF
test_cmp expect actual &&
git -c grep.patternType=basic grep --recurse-submodules -e "(.|.)[\d]" >actual &&
test_cmp expect actual &&
# Extended
git grep -E --recurse-submodules -e "(.|.)[\d]" >actual &&
cat >expect <<-\EOF &&
.gitmodules:[submodule "submodule"]
.gitmodules: path = submodule
.gitmodules: url = ./submodule
a:(1|2)d(3|4)
submodule/.gitmodules:[submodule "sub"]
submodule/a:(1|2)d(3|4)
submodule/sub/a:(1|2)d(3|4)
EOF
test_cmp expect actual &&
git -c grep.patternType=extended grep --recurse-submodules -e "(.|.)[\d]" >actual &&
test_cmp expect actual &&
git -c grep.extendedRegexp=true grep --recurse-submodules -e "(.|.)[\d]" >actual &&
test_cmp expect actual &&
# Perl
if test_have_prereq PCRE
then
git grep -P --recurse-submodules -e "(.|.)[\d]" >actual &&
cat >expect <<-\EOF &&
a:(1|2)d(3|4)
b/b:(3|4)
submodule/a:(1|2)d(3|4)
submodule/sub/a:(1|2)d(3|4)
EOF
test_cmp expect actual &&
git -c grep.patternType=perl grep --recurse-submodules -e "(.|.)[\d]" >actual &&
test_cmp expect actual
fi
'
test_expect_success 'grep --recurse-submodules with submodules without .gitmodules in the working tree' '
test_when_finished "git -C submodule checkout .gitmodules" &&
rm submodule/.gitmodules &&
git grep --recurse-submodules -e "(.|.)[\d]" >actual &&
cat >expect <<-\EOF &&
a:(1|2)d(3|4)
submodule/a:(1|2)d(3|4)
submodule/sub/a:(1|2)d(3|4)
EOF
test_cmp expect actual
'
reset_and_clean () {
git reset --hard &&
git clean -fd &&
git submodule foreach --recursive 'git reset --hard' &&
git submodule foreach --recursive 'git clean -fd'
}
test_expect_success 'grep --recurse-submodules without --cached considers worktree modifications' '
reset_and_clean &&
echo "A modified line in submodule" >>submodule/a &&
echo "submodule/a:A modified line in submodule" >expect &&
git grep --recurse-submodules "A modified line in submodule" >actual &&
test_cmp expect actual
'
test_expect_success 'grep --recurse-submodules with --cached ignores worktree modifications' '
reset_and_clean &&
echo "A modified line in submodule" >>submodule/a &&
test_must_fail git grep --recurse-submodules --cached "A modified line in submodule" >actual 2>&1 &&
test_must_be_empty actual
'
test_done
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