Skip to content
Navigation Menu
Toggle navigation
Sign in
In this repository
All GitHub Enterprise
↵
Jump to
↵
No suggested jump to results
In this repository
All GitHub Enterprise
↵
Jump to
↵
In this organization
All GitHub Enterprise
↵
Jump to
↵
In this repository
All GitHub Enterprise
↵
Jump to
↵
Sign in
Reseting focus
You signed in with another tab or window.
Reload
to refresh your session.
You signed out in another tab or window.
Reload
to refresh your session.
You switched accounts on another tab or window.
Reload
to refresh your session.
Dismiss alert
{{ message }}
git-mirror
/
git
Public
Notifications
You must be signed in to change notification settings
Fork
0
Star
0
Code
Issues
0
Pull requests
0
Actions
Projects
0
Security
Insights
Additional navigation options
Code
Issues
Pull requests
Actions
Projects
Security
Insights
Files
93d9353
Documentation
block-sha1
builtin
compat
contrib
git-gui
git_remote_helpers
gitk-git
gitweb
mergetools
perl
po
ppc
t
templates
vcs-svn
xdiff
.gitattributes
.gitignore
.mailmap
COPYING
GIT-VERSION-GEN
INSTALL
LGPL-2.1
Makefile
README
RelNotes
abspath.c
aclocal.m4
advice.c
advice.h
alias.c
alloc.c
archive-tar.c
archive-zip.c
archive.c
archive.h
argv-array.c
argv-array.h
attr.c
attr.h
base85.c
bisect.c
bisect.h
blob.c
blob.h
branch.c
branch.h
builtin.h
bulk-checkin.c
bulk-checkin.h
bundle.c
bundle.h
cache-tree.c
cache-tree.h
cache.h
check-builtins.sh
check-racy.c
check_bindir
color.c
color.h
column.c
column.h
combine-diff.c
command-list.txt
commit-slab.h
commit.c
commit.h
config.c
config.mak.in
config.mak.uname
configure.ac
connect.c
connected.c
connected.h
convert.c
convert.h
copy.c
credential-cache--daemon.c
credential-cache.c
credential-store.c
credential.c
credential.h
csum-file.c
csum-file.h
ctype.c
daemon.c
date.c
decorate.c
decorate.h
delta.h
diff-delta.c
diff-lib.c
diff-no-index.c
diff.c
diff.h
diffcore-break.c
diffcore-delta.c
diffcore-order.c
diffcore-pickaxe.c
diffcore-rename.c
diffcore.h
dir.c
dir.h
editor.c
entry.c
environment.c
exec_cmd.c
exec_cmd.h
fast-import.c
fetch-pack.c
fetch-pack.h
fmt-merge-msg.h
fsck.c
fsck.h
generate-cmdlist.sh
gettext.c
gettext.h
git-add--interactive.perl
git-am.sh
git-archimport.perl
git-bisect.sh
git-compat-util.h
git-cvsexportcommit.perl
git-cvsimport.perl
git-cvsserver.perl
git-difftool--helper.sh
git-difftool.perl
git-filter-branch.sh
git-instaweb.sh
git-lost-found.sh
git-merge-octopus.sh
git-merge-one-file.sh
git-merge-resolve.sh
git-mergetool--lib.sh
git-mergetool.sh
git-p4.py
git-parse-remote.sh
git-pull.sh
git-quiltimport.sh
git-rebase--am.sh
git-rebase--interactive.sh
git-rebase--merge.sh
git-rebase.sh
git-relink.perl
git-remote-testgit.sh
git-remote-testpy.py
git-repack.sh
git-request-pull.sh
git-send-email.perl
git-sh-i18n.sh
git-sh-setup.sh
git-stash.sh
git-submodule.sh
git-svn.perl
git-web--browse.sh
git.c
git.rc
git.spec.in
gpg-interface.c
gpg-interface.h
graph.c
graph.h
grep.c
grep.h
hash.c
hash.h
help.c
help.h
hex.c
http-backend.c
http-fetch.c
http-push.c
http-walker.c
http.c
http.h
ident.c
imap-send.c
kwset.c
kwset.h
levenshtein.c
levenshtein.h
line-log.c
line-log.h
line-range.c
line-range.h
list-objects.c
list-objects.h
ll-merge.c
ll-merge.h
lockfile.c
log-tree.c
log-tree.h
mailmap.c
mailmap.h
match-trees.c
merge-blobs.c
merge-blobs.h
merge-recursive.c
merge-recursive.h
merge.c
mergesort.c
mergesort.h
name-hash.c
notes-cache.c
notes-cache.h
notes-merge.c
notes-merge.h
notes-utils.c
notes-utils.h
notes.c
notes.h
object.c
object.h
pack-check.c
pack-revindex.c
pack-revindex.h
pack-write.c
pack.h
pager.c
parse-options-cb.c
parse-options.c
parse-options.h
patch-delta.c
patch-ids.c
patch-ids.h
path.c
pathspec.c
pathspec.h
pkt-line.c
pkt-line.h
preload-index.c
pretty.c
prio-queue.c
prio-queue.h
progress.c
progress.h
prompt.c
prompt.h
quote.c
quote.h
reachable.c
reachable.h
read-cache.c
reflog-walk.c
reflog-walk.h
refs.c
refs.h
remote-curl.c
remote-testsvn.c
remote.c
remote.h
replace_object.c
rerere.c
rerere.h
resolve-undo.c
resolve-undo.h
revision.c
revision.h
run-command.c
run-command.h
send-pack.c
send-pack.h
sequencer.c
sequencer.h
server-info.c
setup.c
sh-i18n--envsubst.c
sha1-array.c
sha1-array.h
sha1-lookup.c
sha1-lookup.h
sha1_file.c
sha1_name.c
shallow.c
shell.c
shortlog.h
show-index.c
sideband.c
sideband.h
sigchain.c
sigchain.h
strbuf.c
strbuf.h
streaming.c
streaming.h
string-list.c
string-list.h
submodule.c
submodule.h
symlinks.c
tag.c
tag.h
tar.h
test-chmtime.c
test-ctype.c
test-date.c
test-delta.c
test-dump-cache-tree.c
test-genrandom.c
test-index-version.c
test-line-buffer.c
test-match-trees.c
test-mergesort.c
test-mktemp.c
test-parse-options.c
test-path-utils.c
test-prio-queue.c
test-read-cache.c
test-regex.c
test-revision-walking.c
test-run-command.c
test-scrap-cache-tree.c
test-sha1.c
test-sha1.sh
test-sigchain.c
test-string-list.c
test-subprocess.c
test-svn-fe.c
test-wildmatch.c
thread-utils.c
thread-utils.h
trace.c
transport-helper.c
transport.c
transport.h
tree-diff.c
tree-walk.c
tree-walk.h
tree.c
tree.h
unimplemented.sh
unix-socket.c
unix-socket.h
unpack-trees.c
unpack-trees.h
upload-pack.c
url.c
url.h
usage.c
userdiff.c
userdiff.h
utf8.c
utf8.h
varint.c
varint.h
version.c
version.h
walker.c
walker.h
wildmatch.c
wildmatch.h
wrap-for-bin.sh
wrapper.c
write_or_die.c
ws.c
wt-status.c
wt-status.h
xdiff-interface.c
xdiff-interface.h
zlib.c
Breadcrumbs
git
/
pathspec.c
Blame
Blame
Latest commit
History
History
472 lines (421 loc) · 13.4 KB
Breadcrumbs
git
/
pathspec.c
Top
File metadata and controls
Code
Blame
472 lines (421 loc) · 13.4 KB
Raw
#include "cache.h" #include "dir.h" #include "pathspec.h" /* * Finds which of the given pathspecs match items in the index. * * For each pathspec, sets the corresponding entry in the seen[] array * (which should be specs items long, i.e. the same size as pathspec) * to the nature of the "closest" (i.e. most specific) match found for * that pathspec in the index, if it was a closer type of match than * the existing entry. As an optimization, matching is skipped * altogether if seen[] already only contains non-zero entries. * * If seen[] has not already been written to, it may make sense * to use find_pathspecs_matching_against_index() instead. */ void add_pathspec_matches_against_index(const struct pathspec *pathspec, char *seen) { int num_unmatched = 0, i; /* * Since we are walking the index as if we were walking the directory, * we have to mark the matched pathspec as seen; otherwise we will * mistakenly think that the user gave a pathspec that did not match * anything. */ for (i = 0; i < pathspec->nr; i++) if (!seen[i]) num_unmatched++; if (!num_unmatched) return; for (i = 0; i < active_nr; i++) { struct cache_entry *ce = active_cache[i]; match_pathspec_depth(pathspec, ce->name, ce_namelen(ce), 0, seen); } } /* * Finds which of the given pathspecs match items in the index. * * This is a one-shot wrapper around add_pathspec_matches_against_index() * which allocates, populates, and returns a seen[] array indicating the * nature of the "closest" (i.e. most specific) matches which each of the * given pathspecs achieves against all items in the index. */ char *find_pathspecs_matching_against_index(const struct pathspec *pathspec) { char *seen = xcalloc(pathspec->nr, 1); add_pathspec_matches_against_index(pathspec, seen); return seen; } /* * Magic pathspec * * Possible future magic semantics include stuff like: * * { PATHSPEC_RECURSIVE, '*', "recursive" }, * { PATHSPEC_REGEXP, '\0', "regexp" }, * */ static struct pathspec_magic { unsigned bit; char mnemonic; /* this cannot be ':'! */ const char *name; } pathspec_magic[] = { { PATHSPEC_FROMTOP, '/', "top" }, { PATHSPEC_LITERAL, 0, "literal" }, { PATHSPEC_GLOB, '\0', "glob" }, { PATHSPEC_ICASE, '\0', "icase" }, }; /* * Take an element of a pathspec and check for magic signatures. * Append the result to the prefix. Return the magic bitmap. * * For now, we only parse the syntax and throw out anything other than * "top" magic. * * NEEDSWORK: This needs to be rewritten when we start migrating * get_pathspec() users to use the "struct pathspec" interface. For * example, a pathspec element may be marked as case-insensitive, but * the prefix part must always match literally, and a single stupid * string cannot express such a case. */ static unsigned prefix_pathspec(struct pathspec_item *item, unsigned *p_short_magic, const char **raw, unsigned flags, const char *prefix, int prefixlen, const char *elt) { static int literal_global = -1; static int glob_global = -1; static int noglob_global = -1; static int icase_global = -1; unsigned magic = 0, short_magic = 0, global_magic = 0; const char *copyfrom = elt, *long_magic_end = NULL; char *match; int i, pathspec_prefix = -1; if (literal_global < 0) literal_global = git_env_bool(GIT_LITERAL_PATHSPECS_ENVIRONMENT, 0); if (literal_global) global_magic |= PATHSPEC_LITERAL; if (glob_global < 0) glob_global = git_env_bool(GIT_GLOB_PATHSPECS_ENVIRONMENT, 0); if (glob_global) global_magic |= PATHSPEC_GLOB; if (noglob_global < 0) noglob_global = git_env_bool(GIT_NOGLOB_PATHSPECS_ENVIRONMENT, 0); if (glob_global && noglob_global) die(_("global 'glob' and 'noglob' pathspec settings are incompatible")); if (icase_global < 0) icase_global = git_env_bool(GIT_ICASE_PATHSPECS_ENVIRONMENT, 0); if (icase_global) global_magic |= PATHSPEC_ICASE; if ((global_magic & PATHSPEC_LITERAL) && (global_magic & ~PATHSPEC_LITERAL)) die(_("global 'literal' pathspec setting is incompatible " "with all other global pathspec settings")); if (elt[0] != ':' || literal_global) { ; /* nothing to do */ } else if (elt[1] == '(') { /* longhand */ const char *nextat; for (copyfrom = elt + 2; *copyfrom && *copyfrom != ')'; copyfrom = nextat) { size_t len = strcspn(copyfrom, ",)"); if (copyfrom[len] == ',') nextat = copyfrom + len + 1; else /* handle ')' and '\0' */ nextat = copyfrom + len; if (!len) continue; for (i = 0; i < ARRAY_SIZE(pathspec_magic); i++) { if (strlen(pathspec_magic[i].name) == len && !strncmp(pathspec_magic[i].name, copyfrom, len)) { magic |= pathspec_magic[i].bit; break; } if (!prefixcmp(copyfrom, "prefix:")) { char *endptr; pathspec_prefix = strtol(copyfrom + 7, &endptr, 10); if (endptr - copyfrom != len) die(_("invalid parameter for pathspec magic 'prefix'")); /* "i" would be wrong, but it does not matter */ break; } } if (ARRAY_SIZE(pathspec_magic) <= i) die(_("Invalid pathspec magic '%.*s' in '%s'"), (int) len, copyfrom, elt); } if (*copyfrom != ')') die(_("Missing ')' at the end of pathspec magic in '%s'"), elt); long_magic_end = copyfrom; copyfrom++; } else { /* shorthand */ for (copyfrom = elt + 1; *copyfrom && *copyfrom != ':'; copyfrom++) { char ch = *copyfrom; if (!is_pathspec_magic(ch)) break; for (i = 0; i < ARRAY_SIZE(pathspec_magic); i++) if (pathspec_magic[i].mnemonic == ch) { short_magic |= pathspec_magic[i].bit; break; } if (ARRAY_SIZE(pathspec_magic) <= i) die(_("Unimplemented pathspec magic '%c' in '%s'"), ch, elt); } if (*copyfrom == ':') copyfrom++; } magic |= short_magic; *p_short_magic = short_magic; /* --noglob-pathspec adds :(literal) _unless_ :(glob) is specifed */ if (noglob_global && !(magic & PATHSPEC_GLOB)) global_magic |= PATHSPEC_LITERAL; /* --glob-pathspec is overriden by :(literal) */ if ((global_magic & PATHSPEC_GLOB) && (magic & PATHSPEC_LITERAL)) global_magic &= ~PATHSPEC_GLOB; magic |= global_magic; if (pathspec_prefix >= 0 && (prefixlen || (prefix && *prefix))) die("BUG: 'prefix' magic is supposed to be used at worktree's root"); if ((magic & PATHSPEC_LITERAL) && (magic & PATHSPEC_GLOB)) die(_("%s: 'literal' and 'glob' are incompatible"), elt); if (pathspec_prefix >= 0) { match = xstrdup(copyfrom); prefixlen = pathspec_prefix; } else if (magic & PATHSPEC_FROMTOP) { match = xstrdup(copyfrom); prefixlen = 0; } else { match = prefix_path_gently(prefix, prefixlen, &prefixlen, copyfrom); if (!match) die(_("%s: '%s' is outside repository"), elt, copyfrom); } *raw = item->match = match; /* * Prefix the pathspec (keep all magic) and assign to * original. Useful for passing to another command. */ if (flags & PATHSPEC_PREFIX_ORIGIN) { struct strbuf sb = STRBUF_INIT; const char *start = elt; if (prefixlen && !literal_global) { /* Preserve the actual prefix length of each pattern */ if (long_magic_end) { strbuf_add(&sb, start, long_magic_end - start); strbuf_addf(&sb, ",prefix:%d", prefixlen); start = long_magic_end; } else { if (*start == ':') start++; strbuf_addf(&sb, ":(prefix:%d)", prefixlen); } } strbuf_add(&sb, start, copyfrom - start); strbuf_addstr(&sb, match); item->original = strbuf_detach(&sb, NULL); } else item->original = elt; item->len = strlen(item->match); item->prefix = prefixlen; if ((flags & PATHSPEC_STRIP_SUBMODULE_SLASH_CHEAP) && (item->len >= 1 && item->match[item->len - 1] == '/') && (i = cache_name_pos(item->match, item->len - 1)) >= 0 && S_ISGITLINK(active_cache[i]->ce_mode)) { item->len--; match[item->len] = '\0'; } if (flags & PATHSPEC_STRIP_SUBMODULE_SLASH_EXPENSIVE) for (i = 0; i < active_nr; i++) { struct cache_entry *ce = active_cache[i]; int ce_len = ce_namelen(ce); if (!S_ISGITLINK(ce->ce_mode)) continue; if (item->len <= ce_len || match[ce_len] != '/' || memcmp(ce->name, match, ce_len)) continue; if (item->len == ce_len + 1) { /* strip trailing slash */ item->len--; match[item->len] = '\0'; } else die (_("Pathspec '%s' is in submodule '%.*s'"), elt, ce_len, ce->name); } if (magic & PATHSPEC_LITERAL) item->nowildcard_len = item->len; else { item->nowildcard_len = simple_length(item->match); if (item->nowildcard_len < prefixlen) item->nowildcard_len = prefixlen; } item->flags = 0; if (magic & PATHSPEC_GLOB) { /* * FIXME: should we enable ONESTAR in _GLOB for * pattern "* * / * . c"? */ } else { if (item->nowildcard_len < item->len && item->match[item->nowildcard_len] == '*' && no_wildcard(item->match + item->nowildcard_len + 1)) item->flags |= PATHSPEC_ONESTAR; } /* sanity checks, pathspec matchers assume these are sane */ assert(item->nowildcard_len <= item->len && item->prefix <= item->len); return magic; } static int pathspec_item_cmp(const void *a_, const void *b_) { struct pathspec_item *a, *b; a = (struct pathspec_item *)a_; b = (struct pathspec_item *)b_; return strcmp(a->match, b->match); } static void NORETURN unsupported_magic(const char *pattern, unsigned magic, unsigned short_magic) { struct strbuf sb = STRBUF_INIT; int i, n; for (n = i = 0; i < ARRAY_SIZE(pathspec_magic); i++) { const struct pathspec_magic *m = pathspec_magic + i; if (!(magic & m->bit)) continue; if (sb.len) strbuf_addstr(&sb, " "); if (short_magic & m->bit) strbuf_addf(&sb, "'%c'", m->mnemonic); else strbuf_addf(&sb, "'%s'", m->name); n++; } /* * We may want to substitute "this command" with a command * name. E.g. when add--interactive dies when running * "checkout -p" */ die(_("%s: pathspec magic not supported by this command: %s"), pattern, sb.buf); } /* * Given command line arguments and a prefix, convert the input to * pathspec. die() if any magic in magic_mask is used. */ void parse_pathspec(struct pathspec *pathspec, unsigned magic_mask, unsigned flags, const char *prefix, const char **argv) { struct pathspec_item *item; const char *entry = argv ? *argv : NULL; int i, n, prefixlen; memset(pathspec, 0, sizeof(*pathspec)); if (flags & PATHSPEC_MAXDEPTH_VALID) pathspec->magic |= PATHSPEC_MAXDEPTH; /* No arguments, no prefix -> no pathspec */ if (!entry && !prefix) return; if ((flags & PATHSPEC_PREFER_CWD) && (flags & PATHSPEC_PREFER_FULL)) die("BUG: PATHSPEC_PREFER_CWD and PATHSPEC_PREFER_FULL are incompatible"); /* No arguments with prefix -> prefix pathspec */ if (!entry) { static const char *raw[2]; if (flags & PATHSPEC_PREFER_FULL) return; if (!(flags & PATHSPEC_PREFER_CWD)) die("BUG: PATHSPEC_PREFER_CWD requires arguments"); pathspec->items = item = xmalloc(sizeof(*item)); memset(item, 0, sizeof(*item)); item->match = prefix; item->original = prefix; item->nowildcard_len = item->len = strlen(prefix); item->prefix = item->len; raw[0] = prefix; raw[1] = NULL; pathspec->nr = 1; pathspec->_raw = raw; return; } n = 0; while (argv[n]) n++; pathspec->nr = n; pathspec->items = item = xmalloc(sizeof(*item) * n); pathspec->_raw = argv; prefixlen = prefix ? strlen(prefix) : 0; for (i = 0; i < n; i++) { unsigned short_magic; entry = argv[i]; item[i].magic = prefix_pathspec(item + i, &short_magic, argv + i, flags, prefix, prefixlen, entry); if (item[i].magic & magic_mask) unsupported_magic(entry, item[i].magic & magic_mask, short_magic); if ((flags & PATHSPEC_SYMLINK_LEADING_PATH) && has_symlink_leading_path(item[i].match, item[i].len)) { die(_("pathspec '%s' is beyond a symbolic link"), entry); } if (item[i].nowildcard_len < item[i].len) pathspec->has_wildcard = 1; pathspec->magic |= item[i].magic; } if (pathspec->magic & PATHSPEC_MAXDEPTH) { if (flags & PATHSPEC_KEEP_ORDER) die("BUG: PATHSPEC_MAXDEPTH_VALID and PATHSPEC_KEEP_ORDER are incompatible"); qsort(pathspec->items, pathspec->nr, sizeof(struct pathspec_item), pathspec_item_cmp); } } /* * N.B. get_pathspec() is deprecated in favor of the "struct pathspec" * based interface - see pathspec.c:parse_pathspec(). * * Arguments: * - prefix - a path relative to the root of the working tree * - pathspec - a list of paths underneath the prefix path * * Iterates over pathspec, prepending each path with prefix, * and return the resulting list. * * If pathspec is empty, return a singleton list containing prefix. * * If pathspec and prefix are both empty, return an empty list. * * This is typically used by built-in commands such as add.c, in order * to normalize argv arguments provided to the built-in into a list of * paths to process, all relative to the root of the working tree. */ const char **get_pathspec(const char *prefix, const char **pathspec) { struct pathspec ps; parse_pathspec(&ps, PATHSPEC_ALL_MAGIC & ~(PATHSPEC_FROMTOP | PATHSPEC_LITERAL), PATHSPEC_PREFER_CWD, prefix, pathspec); return ps._raw; } void copy_pathspec(struct pathspec *dst, const struct pathspec *src) { *dst = *src; dst->items = xmalloc(sizeof(struct pathspec_item) * dst->nr); memcpy(dst->items, src->items, sizeof(struct pathspec_item) * dst->nr); } void free_pathspec(struct pathspec *pathspec) { free(pathspec->items); pathspec->items = NULL; }
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
You can’t perform that action at this time.