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
8b5157e
Documentation
arm
compat
contrib
gitweb
mozilla-sha1
perl
ppc
t
templates
xdiff
.gitignore
.mailmap
COPYING
GIT-VERSION-GEN
INSTALL
Makefile
README
alloc.c
archive-tar.c
archive-zip.c
archive.h
base85.c
blob.c
blob.h
builtin-add.c
builtin-annotate.c
builtin-apply.c
builtin-archive.c
builtin-blame.c
builtin-branch.c
builtin-cat-file.c
builtin-check-ref-format.c
builtin-checkout-index.c
builtin-commit-tree.c
builtin-count-objects.c
builtin-describe.c
builtin-diff-files.c
builtin-diff-index.c
builtin-diff-stages.c
builtin-diff-tree.c
builtin-diff.c
builtin-fmt-merge-msg.c
builtin-for-each-ref.c
builtin-grep.c
builtin-init-db.c
builtin-log.c
builtin-ls-files.c
builtin-ls-tree.c
builtin-mailinfo.c
builtin-mailsplit.c
builtin-merge-file.c
builtin-mv.c
builtin-name-rev.c
builtin-pack-objects.c
builtin-pack-refs.c
builtin-prune-packed.c
builtin-prune.c
builtin-push.c
builtin-read-tree.c
builtin-reflog.c
builtin-repo-config.c
builtin-rerere.c
builtin-rev-list.c
builtin-rev-parse.c
builtin-rm.c
builtin-runstatus.c
builtin-shortlog.c
builtin-show-branch.c
builtin-show-ref.c
builtin-stripspace.c
builtin-symbolic-ref.c
builtin-tar-tree.c
builtin-unpack-objects.c
builtin-update-index.c
builtin-update-ref.c
builtin-upload-archive.c
builtin-verify-pack.c
builtin-write-tree.c
builtin.h
cache-tree.c
cache-tree.h
cache.h
check-builtins.sh
check-racy.c
color.c
color.h
combine-diff.c
commit.c
commit.h
config.c
config.mak.in
configure.ac
connect.c
convert-objects.c
copy.c
csum-file.c
csum-file.h
ctype.c
daemon.c
date.c
delta.h
diff-delta.c
diff-lib.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
dump-cache-tree.c
entry.c
environment.c
exec_cmd.c
exec_cmd.h
fetch-pack.c
fetch.c
fetch.h
fsck-objects.c
generate-cmdlist.sh
git-add--interactive.perl
git-am.sh
git-applymbox.sh
git-applypatch.sh
git-archimport.perl
git-bisect.sh
git-checkout.sh
git-clean.sh
git-clone.sh
git-commit.sh
git-compat-util.h
git-cvsexportcommit.perl
git-cvsimport.perl
git-cvsserver.perl
git-fetch.sh
git-gc.sh
git-instaweb.sh
git-lost-found.sh
git-ls-remote.sh
git-merge-octopus.sh
git-merge-one-file.sh
git-merge-ours.sh
git-merge-resolve.sh
git-merge-stupid.sh
git-merge.sh
git-p4import.py
git-parse-remote.sh
git-pull.sh
git-quiltimport.sh
git-rebase.sh
git-relink.perl
git-remote.perl
git-repack.sh
git-request-pull.sh
git-reset.sh
git-resolve.sh
git-revert.sh
git-send-email.perl
git-sh-setup.sh
git-svn.perl
git-svnimport.perl
git-tag.sh
git-verify-tag.sh
git.c
git.spec.in
gitk
grep.c
grep.h
hash-object.c
help.c
http-fetch.c
http-push.c
http.c
http.h
ident.c
imap-send.c
index-pack.c
interpolate.c
interpolate.h
list-objects.c
list-objects.h
local-fetch.c
lockfile.c
log-tree.c
log-tree.h
merge-base.c
merge-file.c
merge-index.c
merge-recursive.c
merge-tree.c
mktag.c
mktree.c
object-refs.c
object.c
object.h
pack-check.c
pack-redundant.c
pack.h
pager.c
patch-delta.c
patch-id.c
path-list.c
path-list.h
path.c
peek-remote.c
pkt-line.c
pkt-line.h
quote.c
quote.h
reachable.c
reachable.h
read-cache.c
receive-pack.c
reflog-walk.c
reflog-walk.h
refs.c
refs.h
revision.c
revision.h
rsh.c
rsh.h
run-command.c
run-command.h
send-pack.c
server-info.c
setup.c
sha1_file.c
sha1_name.c
shallow.c
shell.c
show-index.c
sideband.c
sideband.h
ssh-fetch.c
ssh-pull.c
ssh-push.c
ssh-upload.c
strbuf.c
strbuf.h
tag.c
tag.h
tar.h
test-date.c
test-delta.c
test-sha1.c
test-sha1.sh
trace.c
tree-diff.c
tree-walk.c
tree-walk.h
tree.c
tree.h
unpack-file.c
unpack-trees.c
unpack-trees.h
update-server-info.c
upload-pack.c
usage.c
utf8.c
utf8.h
var.c
write_or_die.c
wt-status.c
wt-status.h
xdiff-interface.c
xdiff-interface.h
Breadcrumbs
git
/
tree-walk.c
Blame
Blame
Latest commit
History
History
218 lines (188 loc) · 4.35 KB
Breadcrumbs
git
/
tree-walk.c
Top
File metadata and controls
Code
Blame
218 lines (188 loc) · 4.35 KB
Raw
#include "cache.h" #include "tree-walk.h" #include "tree.h" void *fill_tree_descriptor(struct tree_desc *desc, const unsigned char *sha1) { unsigned long size = 0; void *buf = NULL; if (sha1) { buf = read_object_with_reference(sha1, tree_type, &size, NULL); if (!buf) die("unable to read tree %s", sha1_to_hex(sha1)); } desc->size = size; desc->buf = buf; return buf; } static int entry_compare(struct name_entry *a, struct name_entry *b) { return base_name_compare( a->path, a->pathlen, a->mode, b->path, b->pathlen, b->mode); } static void entry_clear(struct name_entry *a) { memset(a, 0, sizeof(*a)); } static void entry_extract(struct tree_desc *t, struct name_entry *a) { a->sha1 = tree_entry_extract(t, &a->path, &a->mode); a->pathlen = strlen(a->path); } void update_tree_entry(struct tree_desc *desc) { const void *buf = desc->buf; unsigned long size = desc->size; int len = strlen(buf) + 1 + 20; if (size < len) die("corrupt tree file"); desc->buf = (char *) buf + len; desc->size = size - len; } static const char *get_mode(const char *str, unsigned int *modep) { unsigned char c; unsigned int mode = 0; while ((c = *str++) != ' ') { if (c < '0' || c > '7') return NULL; mode = (mode << 3) + (c - '0'); } *modep = mode; return str; } const unsigned char *tree_entry_extract(struct tree_desc *desc, const char **pathp, unsigned int *modep) { const void *tree = desc->buf; unsigned long size = desc->size; int len = strlen(tree)+1; const unsigned char *sha1 = (unsigned char *) tree + len; const char *path; unsigned int mode; path = get_mode(tree, &mode); if (!path || size < len + 20) die("corrupt tree file"); *pathp = path; *modep = canon_mode(mode); return sha1; } int tree_entry(struct tree_desc *desc, struct name_entry *entry) { const void *tree = desc->buf; const char *path; unsigned long len, size = desc->size; if (!size) return 0; path = get_mode(tree, &entry->mode); if (!path) die("corrupt tree file"); entry->path = path; len = strlen(path); entry->pathlen = len; path += len + 1; entry->sha1 = (const unsigned char *) path; path += 20; len = path - (char *) tree; if (len > size) die("corrupt tree file"); desc->buf = path; desc->size = size - len; return 1; } void traverse_trees(int n, struct tree_desc *t, const char *base, traverse_callback_t callback) { struct name_entry *entry = xmalloc(n*sizeof(*entry)); for (;;) { unsigned long mask = 0; int i, last; last = -1; for (i = 0; i < n; i++) { if (!t[i].size) continue; entry_extract(t+i, entry+i); if (last >= 0) { int cmp = entry_compare(entry+i, entry+last); /* * Is the new name bigger than the old one? * Ignore it */ if (cmp > 0) continue; /* * Is the new name smaller than the old one? * Ignore all old ones */ if (cmp < 0) mask = 0; } mask |= 1ul << i; last = i; } if (!mask) break; /* * Update the tree entries we've walked, and clear * all the unused name-entries. */ for (i = 0; i < n; i++) { if (mask & (1ul << i)) { update_tree_entry(t+i); continue; } entry_clear(entry + i); } callback(n, mask, entry, base); } free(entry); } static int find_tree_entry(struct tree_desc *t, const char *name, unsigned char *result, unsigned *mode) { int namelen = strlen(name); while (t->size) { const char *entry; const unsigned char *sha1; int entrylen, cmp; sha1 = tree_entry_extract(t, &entry, mode); update_tree_entry(t); entrylen = strlen(entry); if (entrylen > namelen) continue; cmp = memcmp(name, entry, entrylen); if (cmp > 0) continue; if (cmp < 0) break; if (entrylen == namelen) { hashcpy(result, sha1); return 0; } if (name[entrylen] != '/') continue; if (!S_ISDIR(*mode)) break; if (++entrylen == namelen) { hashcpy(result, sha1); return 0; } return get_tree_entry(sha1, name + entrylen, result, mode); } return -1; } int get_tree_entry(const unsigned char *tree_sha1, const char *name, unsigned char *sha1, unsigned *mode) { int retval; void *tree; struct tree_desc t; unsigned char root[20]; tree = read_object_with_reference(tree_sha1, tree_type, &t.size, root); if (!tree) return -1; if (name[0] == '\0') { hashcpy(sha1, root); return 0; } t.buf = tree; retval = find_tree_entry(&t, name, sha1, mode); free(tree); return retval; }
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
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
You can’t perform that action at this time.