Commit ef79b1f8 authored by Nguyễn Thái Ngọc Duy's avatar Nguyễn Thái Ngọc Duy Committed by Junio C Hamano
Browse files

Support pathspec magic :(exclude) and its short form :!


Signed-off-by: default avatarNguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: default avatarJunio C Hamano <gitster@pobox.com>
parent 8b7cb51a
......@@ -379,6 +379,11 @@ full pathname may have special meaning:
- Other consecutive asterisks are considered invalid.
+
Glob magic is incompatible with literal magic.
exclude;;
After a path matches any non-exclude pathspec, it will be run
through all exclude pathspec (magic signature: `!`). If it
matches, the path is ignored.
--
[[def_parent]]parent::
......
......@@ -540,10 +540,13 @@ int cmd_add(int argc, const char **argv, const char *prefix)
PATHSPEC_FROMTOP |
PATHSPEC_LITERAL |
PATHSPEC_GLOB |
PATHSPEC_ICASE);
PATHSPEC_ICASE |
PATHSPEC_EXCLUDE);
for (i = 0; i < pathspec.nr; i++) {
const char *path = pathspec.items[i].match;
if (pathspec.items[i].magic & PATHSPEC_EXCLUDE)
continue;
if (!seen[i] &&
((pathspec.items[i].magic &
(PATHSPEC_GLOB | PATHSPEC_ICASE)) ||
......
......@@ -126,10 +126,13 @@ static size_t common_prefix_len(const struct pathspec *pathspec)
PATHSPEC_MAXDEPTH |
PATHSPEC_LITERAL |
PATHSPEC_GLOB |
PATHSPEC_ICASE);
PATHSPEC_ICASE |
PATHSPEC_EXCLUDE);
for (n = 0; n < pathspec->nr; n++) {
size_t i = 0, len = 0, item_len;
if (pathspec->items[n].magic & PATHSPEC_EXCLUDE)
continue;
if (pathspec->items[n].magic & PATHSPEC_ICASE)
item_len = pathspec->items[n].prefix;
else
......@@ -279,9 +282,10 @@ static int match_pathspec_item(const struct pathspec_item *item, int prefix,
* pathspec did not match any names, which could indicate that the
* user mistyped the nth pathspec.
*/
int match_pathspec_depth(const struct pathspec *ps,
const char *name, int namelen,
int prefix, char *seen)
static int match_pathspec_depth_1(const struct pathspec *ps,
const char *name, int namelen,
int prefix, char *seen,
int exclude)
{
int i, retval = 0;
......@@ -290,7 +294,8 @@ int match_pathspec_depth(const struct pathspec *ps,
PATHSPEC_MAXDEPTH |
PATHSPEC_LITERAL |
PATHSPEC_GLOB |
PATHSPEC_ICASE);
PATHSPEC_ICASE |
PATHSPEC_EXCLUDE);
if (!ps->nr) {
if (!ps->recursive ||
......@@ -309,8 +314,19 @@ int match_pathspec_depth(const struct pathspec *ps,
for (i = ps->nr - 1; i >= 0; i--) {
int how;
if ((!exclude && ps->items[i].magic & PATHSPEC_EXCLUDE) ||
( exclude && !(ps->items[i].magic & PATHSPEC_EXCLUDE)))
continue;
if (seen && seen[i] == MATCHED_EXACTLY)
continue;
/*
* Make exclude patterns optional and never report
* "pathspec ':(exclude)foo' matches no files"
*/
if (seen && ps->items[i].magic & PATHSPEC_EXCLUDE)
seen[i] = MATCHED_FNMATCH;
how = match_pathspec_item(ps->items+i, prefix, name, namelen);
if (ps->recursive &&
(ps->magic & PATHSPEC_MAXDEPTH) &&
......@@ -334,6 +350,18 @@ int match_pathspec_depth(const struct pathspec *ps,
return retval;
}
int match_pathspec_depth(const struct pathspec *ps,
const char *name, int namelen,
int prefix, char *seen)
{
int positive, negative;
positive = match_pathspec_depth_1(ps, name, namelen, prefix, seen, 0);
if (!(ps->magic & PATHSPEC_EXCLUDE) || !positive)
return positive;
negative = match_pathspec_depth_1(ps, name, namelen, prefix, seen, 1);
return negative ? 0 : positive;
}
/*
* Return the length of the "simple" part of a path match limiter.
*/
......@@ -1375,11 +1403,18 @@ int read_directory(struct dir_struct *dir, const char *path, int len, const stru
PATHSPEC_MAXDEPTH |
PATHSPEC_LITERAL |
PATHSPEC_GLOB |
PATHSPEC_ICASE);
PATHSPEC_ICASE |
PATHSPEC_EXCLUDE);
if (has_symlink_leading_path(path, len))
return dir->nr;
/*
* exclude patterns are treated like positive ones in
* create_simplify. Usually exclude patterns should be a
* subset of positive ones, which has no impacts on
* create_simplify().
*/
simplify = create_simplify(pathspec ? pathspec->_raw : NULL);
if (!len || treat_leading_path(dir, path, len, simplify))
read_directory_recursive(dir, path, len, 0, simplify);
......
......@@ -71,6 +71,7 @@ static struct pathspec_magic {
{ PATHSPEC_LITERAL, 0, "literal" },
{ PATHSPEC_GLOB, '\0', "glob" },
{ PATHSPEC_ICASE, '\0', "icase" },
{ PATHSPEC_EXCLUDE, '!', "exclude" },
};
/*
......@@ -355,7 +356,7 @@ void parse_pathspec(struct pathspec *pathspec,
{
struct pathspec_item *item;
const char *entry = argv ? *argv : NULL;
int i, n, prefixlen;
int i, n, prefixlen, nr_exclude = 0;
memset(pathspec, 0, sizeof(*pathspec));
......@@ -412,6 +413,8 @@ void parse_pathspec(struct pathspec *pathspec,
if ((flags & PATHSPEC_LITERAL_PATH) &&
!(magic_mask & PATHSPEC_LITERAL))
item[i].magic |= PATHSPEC_LITERAL;
if (item[i].magic & PATHSPEC_EXCLUDE)
nr_exclude++;
if (item[i].magic & magic_mask)
unsupported_magic(entry,
item[i].magic & magic_mask,
......@@ -427,6 +430,10 @@ void parse_pathspec(struct pathspec *pathspec,
pathspec->magic |= item[i].magic;
}
if (nr_exclude == n)
die(_("There is nothing to exclude from by :(exclude) patterns.\n"
"Perhaps you forgot to add either ':/' or '.' ?"));
if (pathspec->magic & PATHSPEC_MAXDEPTH) {
if (flags & PATHSPEC_KEEP_ORDER)
......
......@@ -7,12 +7,14 @@
#define PATHSPEC_LITERAL (1<<2)
#define PATHSPEC_GLOB (1<<3)
#define PATHSPEC_ICASE (1<<4)
#define PATHSPEC_EXCLUDE (1<<5)
#define PATHSPEC_ALL_MAGIC \
(PATHSPEC_FROMTOP | \
PATHSPEC_MAXDEPTH | \
PATHSPEC_LITERAL | \
PATHSPEC_GLOB | \
PATHSPEC_ICASE)
PATHSPEC_ICASE | \
PATHSPEC_EXCLUDE)
#define PATHSPEC_ONESTAR 1 /* the pathspec pattern satisfies GFNM_ONESTAR */
......
#!/bin/sh
test_description='test case exclude pathspec'
. ./test-lib.sh
test_expect_success 'setup' '
for p in file sub/file sub/sub/file sub/file2 sub/sub/sub/file sub2/file; do
if echo $p | grep /; then
mkdir -p `dirname $p`
fi &&
: >$p &&
git add $p &&
git commit -m $p
done &&
git log --oneline --format=%s >actual &&
cat <<EOF >expect &&
sub2/file
sub/sub/sub/file
sub/file2
sub/sub/file
sub/file
file
EOF
test_cmp expect actual
'
test_expect_success 'exclude only should error out' '
test_must_fail git log --oneline --format=%s -- ":(exclude)sub"
'
test_expect_success 't_e_i() exclude sub' '
git log --oneline --format=%s -- . ":(exclude)sub" >actual
cat <<EOF >expect &&
sub2/file
file
EOF
test_cmp expect actual
'
test_expect_success 't_e_i() exclude sub/sub/file' '
git log --oneline --format=%s -- . ":(exclude)sub/sub/file" >actual
cat <<EOF >expect &&
sub2/file
sub/sub/sub/file
sub/file2
sub/file
file
EOF
test_cmp expect actual
'
test_expect_success 't_e_i() exclude sub using mnemonic' '
git log --oneline --format=%s -- . ":!sub" >actual
cat <<EOF >expect &&
sub2/file
file
EOF
test_cmp expect actual
'
test_expect_success 't_e_i() exclude :(icase)SUB' '
git log --oneline --format=%s -- . ":(exclude,icase)SUB" >actual
cat <<EOF >expect &&
sub2/file
file
EOF
test_cmp expect actual
'
test_expect_success 't_e_i() exclude sub2 from sub' '
(
cd sub &&
git log --oneline --format=%s -- :/ ":/!sub2" >actual
cat <<EOF >expect &&
sub/sub/sub/file
sub/file2
sub/sub/file
sub/file
file
EOF
test_cmp expect actual
)
'
test_expect_success 't_e_i() exclude sub/*file' '
git log --oneline --format=%s -- . ":(exclude)sub/*file" >actual
cat <<EOF >expect &&
sub2/file
sub/file2
file
EOF
test_cmp expect actual
'
test_expect_success 't_e_i() exclude :(glob)sub/*/file' '
git log --oneline --format=%s -- . ":(exclude,glob)sub/*/file" >actual
cat <<EOF >expect &&
sub2/file
sub/sub/sub/file
sub/file2
sub/file
file
EOF
test_cmp expect actual
'
test_expect_success 'm_p_d() exclude sub' '
git ls-files -- . ":(exclude)sub" >actual
cat <<EOF >expect &&
file
sub2/file
EOF
test_cmp expect actual
'
test_expect_success 'm_p_d() exclude sub/sub/file' '
git ls-files -- . ":(exclude)sub/sub/file" >actual
cat <<EOF >expect &&
file
sub/file
sub/file2
sub/sub/sub/file
sub2/file
EOF
test_cmp expect actual
'
test_expect_success 'm_p_d() exclude sub using mnemonic' '
git ls-files -- . ":!sub" >actual
cat <<EOF >expect &&
file
sub2/file
EOF
test_cmp expect actual
'
test_expect_success 'm_p_d() exclude :(icase)SUB' '
git ls-files -- . ":(exclude,icase)SUB" >actual
cat <<EOF >expect &&
file
sub2/file
EOF
test_cmp expect actual
'
test_expect_success 'm_p_d() exclude sub2 from sub' '
(
cd sub &&
git ls-files -- :/ ":/!sub2" >actual
cat <<EOF >expect &&
../file
file
file2
sub/file
sub/sub/file
EOF
test_cmp expect actual
)
'
test_expect_success 'm_p_d() exclude sub/*file' '
git ls-files -- . ":(exclude)sub/*file" >actual
cat <<EOF >expect &&
file
sub/file2
sub2/file
EOF
test_cmp expect actual
'
test_expect_success 'm_p_d() exclude :(glob)sub/*/file' '
git ls-files -- . ":(exclude,glob)sub/*/file" >actual
cat <<EOF >expect &&
file
sub/file
sub/file2
sub/sub/sub/file
sub2/file
EOF
test_cmp expect actual
'
test_done
......@@ -662,9 +662,10 @@ static int match_wildcard_base(const struct pathspec_item *item,
* Pre-condition: either baselen == base_offset (i.e. empty path)
* or base[baselen-1] == '/' (i.e. with trailing slash).
*/
enum interesting tree_entry_interesting(const struct name_entry *entry,
struct strbuf *base, int base_offset,
const struct pathspec *ps)
static enum interesting do_match(const struct name_entry *entry,
struct strbuf *base, int base_offset,
const struct pathspec *ps,
int exclude)
{
int i;
int pathlen, baselen = base->len - base_offset;
......@@ -676,7 +677,8 @@ enum interesting tree_entry_interesting(const struct name_entry *entry,
PATHSPEC_MAXDEPTH |
PATHSPEC_LITERAL |
PATHSPEC_GLOB |
PATHSPEC_ICASE);
PATHSPEC_ICASE |
PATHSPEC_EXCLUDE);
if (!ps->nr) {
if (!ps->recursive ||
......@@ -697,6 +699,10 @@ enum interesting tree_entry_interesting(const struct name_entry *entry,
const char *base_str = base->buf + base_offset;
int matchlen = item->len, matched = 0;
if ((!exclude && item->magic & PATHSPEC_EXCLUDE) ||
( exclude && !(item->magic & PATHSPEC_EXCLUDE)))
continue;
if (baselen >= matchlen) {
/* If it doesn't match, move along... */
if (!match_dir_prefix(item, base_str, match, matchlen))
......@@ -782,3 +788,72 @@ match_wildcards:
}
return never_interesting; /* No matches */
}
/*
* Is a tree entry interesting given the pathspec we have?
*
* Pre-condition: either baselen == base_offset (i.e. empty path)
* or base[baselen-1] == '/' (i.e. with trailing slash).
*/
enum interesting tree_entry_interesting(const struct name_entry *entry,
struct strbuf *base, int base_offset,
const struct pathspec *ps)
{
enum interesting positive, negative;
positive = do_match(entry, base, base_offset, ps, 0);
/*
* case | entry | positive | negative | result
* -----+-------+----------+----------+-------
* 1 | file | -1 | -1..2 | -1
* 2 | file | 0 | -1..2 | 0
* 3 | file | 1 | -1 | 1
* 4 | file | 1 | 0 | 1
* 5 | file | 1 | 1 | 0
* 6 | file | 1 | 2 | 0
* 7 | file | 2 | -1 | 2
* 8 | file | 2 | 0 | 2
* 9 | file | 2 | 1 | 0
* 10 | file | 2 | 2 | -1
* -----+-------+----------+----------+-------
* 11 | dir | -1 | -1..2 | -1
* 12 | dir | 0 | -1..2 | 0
* 13 | dir | 1 | -1 | 1
* 14 | dir | 1 | 0 | 1
* 15 | dir | 1 | 1 | 1 (*)
* 16 | dir | 1 | 2 | 0
* 17 | dir | 2 | -1 | 2
* 18 | dir | 2 | 0 | 2
* 19 | dir | 2 | 1 | 1 (*)
* 20 | dir | 2 | 2 | -1
*
* (*) An exclude pattern interested in a directory does not
* necessarily mean it will exclude all of the directory. In
* wildcard case, it can't decide until looking at individual
* files inside. So don't write such directories off yet.
*/
if (!(ps->magic & PATHSPEC_EXCLUDE) ||
positive <= entry_not_interesting) /* #1, #2, #11, #12 */
return positive;
negative = do_match(entry, base, base_offset, ps, 1);
/* #3, #4, #7, #8, #13, #14, #17, #18 */
if (negative <= entry_not_interesting)
return positive;
/* #15, #19 */
if (S_ISDIR(entry->mode) &&
positive >= entry_interesting &&
negative == entry_interesting)
return entry_interesting;
if ((positive == entry_interesting &&
negative >= entry_interesting) || /* #5, #6, #16 */
(positive == all_entries_interesting &&
negative == entry_interesting)) /* #9 */
return entry_not_interesting;
return all_entries_not_interesting; /* #10, #20 */
}
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