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18125644 »
2008-01-14 Move sha1_file_to_archive into libgit
1 #include "cache.h"
2 #include "commit.h"
c0885435 »
2008-07-25 archive: move parameter parsing code to archive.c
3 #include "tree-walk.h"
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2008-01-14 Move sha1_file_to_archive into libgit
4 #include "attr.h"
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2008-07-14 archive: centralize archive entry writing
5 #include "archive.h"
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6 #include "parse-options.h"
ba053ea9 »
2009-04-18 archive: do not read .gitattributes in working directory
7 #include "unpack-trees.h"
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2008-07-25 archive: allow --exec and --remote without equal sign
8
9 static char const * const archive_usage[] = {
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2012-08-20 i18n: archive: mark parseopt strings for translation
10 N_("git archive [options] <tree-ish> [<path>...]"),
11 N_("git archive --list"),
12 N_("git archive --remote <repo> [--exec <cmd>] [options] <tree-ish> [<path>...]"),
13 N_("git archive --remote <repo> [--exec <cmd>] --list"),
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2008-07-25 archive: allow --exec and --remote without equal sign
14 NULL
15 };
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2008-07-25 archive: move parameter parsing code to archive.c
16
13e0f88d »
2011-06-21 archive: refactor list of archive formats
17 static const struct archiver **archivers;
18 static int nr_archivers;
19 static int alloc_archivers;
20
21 void register_archiver(struct archiver *ar)
22 {
23 ALLOC_GROW(archivers, nr_archivers + 1, alloc_archivers);
24 archivers[nr_archivers++] = ar;
25 }
c0885435 »
2008-07-25 archive: move parameter parsing code to archive.c
26
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2008-01-14 Move sha1_file_to_archive into libgit
27 static void format_subst(const struct commit *commit,
28 const char *src, size_t len,
29 struct strbuf *buf)
30 {
31 char *to_free = NULL;
f285a2d7 »
2008-10-09 Replace calls to strbuf_init(&foo, 0) with STRBUF_INIT initializer
32 struct strbuf fmt = STRBUF_INIT;
dd2e794a »
2009-10-19 Refactor pretty_print_commit arguments into a struct
33 struct pretty_print_context ctx = {0};
34 ctx.date_mode = DATE_NORMAL;
35039ced »
2010-07-27 archive: abbreviate substituted commit ids again
35 ctx.abbrev = DEFAULT_ABBREV;
18125644 »
2008-01-14 Move sha1_file_to_archive into libgit
36
37 if (src == buf->buf)
38 to_free = strbuf_detach(buf, NULL);
39 for (;;) {
40 const char *b, *c;
41
42 b = memmem(src, len, "$Format:", 8);
75b7dfbd »
2008-04-23 archive.c: format_subst - fixed bogus argument to memchr
43 if (!b)
18125644 »
2008-01-14 Move sha1_file_to_archive into libgit
44 break;
75b7dfbd »
2008-04-23 archive.c: format_subst - fixed bogus argument to memchr
45 c = memchr(b + 8, '$', (src + len) - b - 8);
18125644 »
2008-01-14 Move sha1_file_to_archive into libgit
46 if (!c)
47 break;
48
49 strbuf_reset(&fmt);
50 strbuf_add(&fmt, b + 8, c - b - 8);
51
52 strbuf_add(buf, src, b - src);
dd2e794a »
2009-10-19 Refactor pretty_print_commit arguments into a struct
53 format_commit_message(commit, fmt.buf, buf, &ctx);
18125644 »
2008-01-14 Move sha1_file_to_archive into libgit
54 len -= c + 1 - src;
55 src = c + 1;
56 }
57 strbuf_add(buf, src, len);
58 strbuf_release(&fmt);
59 free(to_free);
60 }
61
9cb513b7 »
2012-05-03 archive: delegate blob reading to backend
62 void *sha1_file_to_archive(const struct archiver_args *args,
63 const char *path, const unsigned char *sha1,
64 unsigned int mode, enum object_type *type,
65 unsigned long *sizep)
18125644 »
2008-01-14 Move sha1_file_to_archive into libgit
66 {
67 void *buffer;
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2012-05-03 archive: delegate blob reading to backend
68 const struct commit *commit = args->convert ? args->commit : NULL;
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2008-01-14 Move sha1_file_to_archive into libgit
69
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2012-05-03 archive: delegate blob reading to backend
70 path += args->baselen;
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2008-01-14 Move sha1_file_to_archive into libgit
71 buffer = read_sha1_file(sha1, type, sizep);
72 if (buffer && S_ISREG(mode)) {
f285a2d7 »
2008-10-09 Replace calls to strbuf_init(&foo, 0) with STRBUF_INIT initializer
73 struct strbuf buf = STRBUF_INIT;
18125644 »
2008-01-14 Move sha1_file_to_archive into libgit
74 size_t size = 0;
75
76 strbuf_attach(&buf, buffer, *sizep, *sizep + 1);
77 convert_to_working_tree(path, buf.buf, buf.len, &buf);
1d11d5bb »
2008-07-14 archive: unify file attribute handling
78 if (commit)
79 format_subst(commit, buf.buf, buf.len, &buf);
18125644 »
2008-01-14 Move sha1_file_to_archive into libgit
80 buffer = strbuf_detach(&buf, &size);
81 *sizep = size;
82 }
83
84 return buffer;
85 }
86
1d11d5bb »
2008-07-14 archive: unify file attribute handling
87 static void setup_archive_check(struct git_attr_check *check)
008d896d »
2008-06-08 Teach new attribute 'export-ignore' to git-archive
88 {
89 static struct git_attr *attr_export_ignore;
1d11d5bb »
2008-07-14 archive: unify file attribute handling
90 static struct git_attr *attr_export_subst;
008d896d »
2008-06-08 Teach new attribute 'export-ignore' to git-archive
91
1d11d5bb »
2008-07-14 archive: unify file attribute handling
92 if (!attr_export_ignore) {
7fb0eaa2 »
2010-01-16 git_attr(): fix function signature
93 attr_export_ignore = git_attr("export-ignore");
94 attr_export_subst = git_attr("export-subst");
1d11d5bb »
2008-07-14 archive: unify file attribute handling
95 }
008d896d »
2008-06-08 Teach new attribute 'export-ignore' to git-archive
96 check[0].attr = attr_export_ignore;
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2008-07-14 archive: unify file attribute handling
97 check[1].attr = attr_export_subst;
008d896d »
2008-06-08 Teach new attribute 'export-ignore' to git-archive
98 }
562e25ab »
2008-07-14 archive: centralize archive entry writing
99
100 struct archiver_context {
101 struct archiver_args *args;
102 write_archive_entry_fn_t write_entry;
103 };
104
105 static int write_archive_entry(const unsigned char *sha1, const char *base,
106 int baselen, const char *filename, unsigned mode, int stage,
107 void *context)
108 {
109 static struct strbuf path = STRBUF_INIT;
110 struct archiver_context *c = context;
111 struct archiver_args *args = c->args;
112 write_archive_entry_fn_t write_entry = c->write_entry;
1d11d5bb »
2008-07-14 archive: unify file attribute handling
113 struct git_attr_check check[2];
114 const char *path_without_prefix;
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2008-07-14 archive: centralize archive entry writing
115 int err;
116
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2012-05-03 archive: delegate blob reading to backend
117 args->convert = 0;
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2008-07-14 archive: centralize archive entry writing
118 strbuf_reset(&path);
119 strbuf_grow(&path, PATH_MAX);
ebfbdb34 »
2009-10-08 Git archive and trailing "/" in prefix
120 strbuf_add(&path, args->base, args->baselen);
562e25ab »
2008-07-14 archive: centralize archive entry writing
121 strbuf_add(&path, base, baselen);
122 strbuf_addstr(&path, filename);
1d11d5bb »
2008-07-14 archive: unify file attribute handling
123 path_without_prefix = path.buf + args->baselen;
562e25ab »
2008-07-14 archive: centralize archive entry writing
124
1d11d5bb »
2008-07-14 archive: unify file attribute handling
125 setup_archive_check(check);
d932f4eb »
2011-08-04 Rename git_checkattr() to git_check_attr()
126 if (!git_check_attr(path_without_prefix, ARRAY_SIZE(check), check)) {
1d11d5bb »
2008-07-14 archive: unify file attribute handling
127 if (ATTR_TRUE(check[0].value))
128 return 0;
9cb513b7 »
2012-05-03 archive: delegate blob reading to backend
129 args->convert = ATTR_TRUE(check[1].value);
1d11d5bb »
2008-07-14 archive: unify file attribute handling
130 }
562e25ab »
2008-07-14 archive: centralize archive entry writing
131
132 if (S_ISDIR(mode) || S_ISGITLINK(mode)) {
133 strbuf_addch(&path, '/');
134 if (args->verbose)
135 fprintf(stderr, "%.*s\n", (int)path.len, path.buf);
9cb513b7 »
2012-05-03 archive: delegate blob reading to backend
136 err = write_entry(args, sha1, path.buf, path.len, mode);
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2008-07-14 archive: centralize archive entry writing
137 if (err)
138 return err;
d3bee161 »
2009-01-25 tree.c: allow read_tree_recursive() to traverse gitlink entries
139 return (S_ISDIR(mode) ? READ_TREE_RECURSIVE : 0);
562e25ab »
2008-07-14 archive: centralize archive entry writing
140 }
141
142 if (args->verbose)
143 fprintf(stderr, "%.*s\n", (int)path.len, path.buf);
9cb513b7 »
2012-05-03 archive: delegate blob reading to backend
144 return write_entry(args, sha1, path.buf, path.len, mode);
562e25ab »
2008-07-14 archive: centralize archive entry writing
145 }
146
147 int write_archive_entries(struct archiver_args *args,
148 write_archive_entry_fn_t write_entry)
149 {
150 struct archiver_context context;
ba053ea9 »
2009-04-18 archive: do not read .gitattributes in working directory
151 struct unpack_trees_options opts;
152 struct tree_desc t;
f0096c06 »
2011-03-25 Convert read_tree{,_recursive} to support struct pathspec
153 struct pathspec pathspec;
562e25ab »
2008-07-14 archive: centralize archive entry writing
154 int err;
155
156 if (args->baselen > 0 && args->base[args->baselen - 1] == '/') {
157 size_t len = args->baselen;
158
159 while (len > 1 && args->base[len - 2] == '/')
160 len--;
161 if (args->verbose)
162 fprintf(stderr, "%.*s\n", (int)len, args->base);
163 err = write_entry(args, args->tree->object.sha1, args->base,
9cb513b7 »
2012-05-03 archive: delegate blob reading to backend
164 len, 040777);
562e25ab »
2008-07-14 archive: centralize archive entry writing
165 if (err)
166 return err;
167 }
168
169 context.args = args;
170 context.write_entry = write_entry;
171
ba053ea9 »
2009-04-18 archive: do not read .gitattributes in working directory
172 /*
173 * Setup index and instruct attr to read index only
174 */
175 if (!args->worktree_attributes) {
176 memset(&opts, 0, sizeof(opts));
177 opts.index_only = 1;
178 opts.head_idx = -1;
179 opts.src_index = &the_index;
180 opts.dst_index = &the_index;
181 opts.fn = oneway_merge;
182 init_tree_desc(&t, args->tree->buffer, args->tree->size);
183 if (unpack_trees(1, &t, &opts))
184 return -1;
185 git_attr_set_direction(GIT_ATTR_INDEX, &the_index);
186 }
187
f0096c06 »
2011-03-25 Convert read_tree{,_recursive} to support struct pathspec
188 init_pathspec(&pathspec, args->pathspec);
189 err = read_tree_recursive(args->tree, "", 0, 0, &pathspec,
ebfbdb34 »
2009-10-08 Git archive and trailing "/" in prefix
190 write_archive_entry, &context);
f0096c06 »
2011-03-25 Convert read_tree{,_recursive} to support struct pathspec
191 free_pathspec(&pathspec);
562e25ab »
2008-07-14 archive: centralize archive entry writing
192 if (err == READ_TREE_RECURSIVE)
193 err = 0;
194 return err;
195 }
6e94e683 »
2008-07-25 archive: add write_archive()
196
c0885435 »
2008-07-25 archive: move parameter parsing code to archive.c
197 static const struct archiver *lookup_archiver(const char *name)
198 {
199 int i;
200
4fac1d3a »
2008-07-25 archive: allow --exec and --remote without equal sign
201 if (!name)
202 return NULL;
203
13e0f88d »
2011-06-21 archive: refactor list of archive formats
204 for (i = 0; i < nr_archivers; i++) {
205 if (!strcmp(name, archivers[i]->name))
206 return archivers[i];
c0885435 »
2008-07-25 archive: move parameter parsing code to archive.c
207 }
208 return NULL;
209 }
210
d5f53d6d »
2009-12-12 archive: complain about path specs that don't match anything
211 static int reject_entry(const unsigned char *sha1, const char *base,
212 int baselen, const char *filename, unsigned mode,
213 int stage, void *context)
214 {
215 return -1;
216 }
217
218 static int path_exists(struct tree *tree, const char *path)
219 {
f0096c06 »
2011-03-25 Convert read_tree{,_recursive} to support struct pathspec
220 const char *paths[] = { path, NULL };
221 struct pathspec pathspec;
222 int ret;
223
224 init_pathspec(&pathspec, paths);
225 ret = read_tree_recursive(tree, "", 0, 0, &pathspec, reject_entry, NULL);
226 free_pathspec(&pathspec);
227 return ret != 0;
d5f53d6d »
2009-12-12 archive: complain about path specs that don't match anything
228 }
229
c0885435 »
2008-07-25 archive: move parameter parsing code to archive.c
230 static void parse_pathspec_arg(const char **pathspec,
231 struct archiver_args *ar_args)
232 {
d5f53d6d »
2009-12-12 archive: complain about path specs that don't match anything
233 ar_args->pathspec = pathspec = get_pathspec("", pathspec);
234 if (pathspec) {
235 while (*pathspec) {
236 if (!path_exists(ar_args->tree, *pathspec))
237 die("path not found: %s", *pathspec);
238 pathspec++;
239 }
240 }
c0885435 »
2008-07-25 archive: move parameter parsing code to archive.c
241 }
242
243 static void parse_treeish_arg(const char **argv,
ee27ca4a »
2011-11-17 archive: don't let remote clients get unreachable commits
244 struct archiver_args *ar_args, const char *prefix,
245 int remote)
c0885435 »
2008-07-25 archive: move parameter parsing code to archive.c
246 {
247 const char *name = argv[0];
248 const unsigned char *commit_sha1;
249 time_t archive_time;
250 struct tree *tree;
251 const struct commit *commit;
252 unsigned char sha1[20];
253
ee27ca4a »
2011-11-17 archive: don't let remote clients get unreachable commits
254 /* Remotes are only allowed to fetch actual refs */
255 if (remote) {
256 char *ref = NULL;
c51a351a »
2012-05-18 archive: simplify refname handling
257 const char *colon = strchr(name, ':');
258 int refnamelen = colon ? colon - name : strlen(name);
259
260 if (!dwim_ref(name, refnamelen, sha1, &ref))
261 die("no such ref: %.*s", refnamelen, name);
ee27ca4a »
2011-11-17 archive: don't let remote clients get unreachable commits
262 free(ref);
263 }
0f544ee8 »
2012-01-11 archive: re-allow HEAD:Documentation on a remote invocation
264
265 if (get_sha1(name, sha1))
266 die("Not a valid object name");
c0885435 »
2008-07-25 archive: move parameter parsing code to archive.c
267
268 commit = lookup_commit_reference_gently(sha1, 1);
269 if (commit) {
270 commit_sha1 = commit->object.sha1;
271 archive_time = commit->date;
272 } else {
273 commit_sha1 = NULL;
274 archive_time = time(NULL);
275 }
276
277 tree = parse_tree_indirect(sha1);
278 if (tree == NULL)
279 die("not a tree object");
280
281 if (prefix) {
282 unsigned char tree_sha1[20];
283 unsigned int mode;
284 int err;
285
286 err = get_tree_entry(tree->object.sha1, prefix,
287 tree_sha1, &mode);
288 if (err || !S_ISDIR(mode))
289 die("current working directory is untracked");
290
291 tree = parse_tree_indirect(tree_sha1);
292 }
293 ar_args->tree = tree;
294 ar_args->commit_sha1 = commit_sha1;
295 ar_args->commit = commit;
296 ar_args->time = archive_time;
297 }
298
4fac1d3a »
2008-07-25 archive: allow --exec and --remote without equal sign
299 #define OPT__COMPR(s, v, h, p) \
300 { OPTION_SET_INT, (s), NULL, (v), NULL, (h), \
301 PARSE_OPT_NOARG | PARSE_OPT_NONEG, NULL, (p) }
302 #define OPT__COMPR_HIDDEN(s, v, p) \
303 { OPTION_SET_INT, (s), NULL, (v), NULL, "", \
304 PARSE_OPT_NOARG | PARSE_OPT_NONEG | PARSE_OPT_HIDDEN, NULL, (p) }
305
c0885435 »
2008-07-25 archive: move parameter parsing code to archive.c
306 static int parse_archive_args(int argc, const char **argv,
56baa61d »
2011-06-21 archive: move file extension format-guessing lower
307 const struct archiver **ar, struct archiver_args *args,
7b97730b »
2011-06-21 upload-archive: allow user to turn off filters
308 const char *name_hint, int is_remote)
c0885435 »
2008-07-25 archive: move parameter parsing code to archive.c
309 {
56baa61d »
2011-06-21 archive: move file extension format-guessing lower
310 const char *format = NULL;
4fac1d3a »
2008-07-25 archive: allow --exec and --remote without equal sign
311 const char *base = NULL;
312 const char *remote = NULL;
313 const char *exec = NULL;
aec0c1bb »
2009-02-16 git-archive: add --output=<file> to send output to a file
314 const char *output = NULL;
c0885435 »
2008-07-25 archive: move parameter parsing code to archive.c
315 int compression_level = -1;
316 int verbose = 0;
317 int i;
4fac1d3a »
2008-07-25 archive: allow --exec and --remote without equal sign
318 int list = 0;
ba053ea9 »
2009-04-18 archive: do not read .gitattributes in working directory
319 int worktree_attributes = 0;
4fac1d3a »
2008-07-25 archive: allow --exec and --remote without equal sign
320 struct option opts[] = {
321 OPT_GROUP(""),
0012a387 »
2012-08-20 i18n: archive: mark parseopt strings for translation
322 OPT_STRING(0, "format", &format, N_("fmt"), N_("archive format")),
323 OPT_STRING(0, "prefix", &base, N_("prefix"),
324 N_("prepend prefix to each pathname in the archive")),
325 OPT_STRING('o', "output", &output, N_("file"),
326 N_("write the archive to this file")),
f858c646 »
2011-09-27 archive.c: use OPT_BOOL()
327 OPT_BOOL(0, "worktree-attributes", &worktree_attributes,
0012a387 »
2012-08-20 i18n: archive: mark parseopt strings for translation
328 N_("read .gitattributes in working directory")),
329 OPT__VERBOSE(&verbose, N_("report archived files on stderr")),
330 OPT__COMPR('0', &compression_level, N_("store only"), 0),
331 OPT__COMPR('1', &compression_level, N_("compress faster"), 1),
4fac1d3a »
2008-07-25 archive: allow --exec and --remote without equal sign
332 OPT__COMPR_HIDDEN('2', &compression_level, 2),
333 OPT__COMPR_HIDDEN('3', &compression_level, 3),
334 OPT__COMPR_HIDDEN('4', &compression_level, 4),
335 OPT__COMPR_HIDDEN('5', &compression_level, 5),
336 OPT__COMPR_HIDDEN('6', &compression_level, 6),
337 OPT__COMPR_HIDDEN('7', &compression_level, 7),
338 OPT__COMPR_HIDDEN('8', &compression_level, 8),
0012a387 »
2012-08-20 i18n: archive: mark parseopt strings for translation
339 OPT__COMPR('9', &compression_level, N_("compress better"), 9),
4fac1d3a »
2008-07-25 archive: allow --exec and --remote without equal sign
340 OPT_GROUP(""),
f858c646 »
2011-09-27 archive.c: use OPT_BOOL()
341 OPT_BOOL('l', "list", &list,
0012a387 »
2012-08-20 i18n: archive: mark parseopt strings for translation
342 N_("list supported archive formats")),
4fac1d3a »
2008-07-25 archive: allow --exec and --remote without equal sign
343 OPT_GROUP(""),
0012a387 »
2012-08-20 i18n: archive: mark parseopt strings for translation
344 OPT_STRING(0, "remote", &remote, N_("repo"),
345 N_("retrieve the archive from remote repository <repo>")),
346 OPT_STRING(0, "exec", &exec, N_("cmd"),
347 N_("path to the remote git-upload-archive command")),
4fac1d3a »
2008-07-25 archive: allow --exec and --remote without equal sign
348 OPT_END()
349 };
350
37782920 »
2009-05-23 parse-opts: prepare for OPT_FILENAME
351 argc = parse_options(argc, argv, NULL, opts, archive_usage, 0);
4fac1d3a »
2008-07-25 archive: allow --exec and --remote without equal sign
352
353 if (remote)
354 die("Unexpected option --remote");
355 if (exec)
356 die("Option --exec can only be used together with --remote");
52e77876 »
2009-03-08 archive: use parseopt for local-only options
357 if (output)
358 die("Unexpected option --output");
4fac1d3a »
2008-07-25 archive: allow --exec and --remote without equal sign
359
360 if (!base)
361 base = "";
362
363 if (list) {
13e0f88d »
2011-06-21 archive: refactor list of archive formats
364 for (i = 0; i < nr_archivers; i++)
7b97730b »
2011-06-21 upload-archive: allow user to turn off filters
365 if (!is_remote || archivers[i]->flags & ARCHIVER_REMOTE)
366 printf("%s\n", archivers[i]->name);
4fac1d3a »
2008-07-25 archive: allow --exec and --remote without equal sign
367 exit(0);
c0885435 »
2008-07-25 archive: move parameter parsing code to archive.c
368 }
369
56baa61d »
2011-06-21 archive: move file extension format-guessing lower
370 if (!format && name_hint)
371 format = archive_format_from_filename(name_hint);
372 if (!format)
373 format = "tar";
374
c0885435 »
2008-07-25 archive: move parameter parsing code to archive.c
375 /* We need at least one parameter -- tree-ish */
4fac1d3a »
2008-07-25 archive: allow --exec and --remote without equal sign
376 if (argc < 1)
377 usage_with_options(archive_usage, opts);
c0885435 »
2008-07-25 archive: move parameter parsing code to archive.c
378 *ar = lookup_archiver(format);
7b97730b »
2011-06-21 upload-archive: allow user to turn off filters
379 if (!*ar || (is_remote && !((*ar)->flags & ARCHIVER_REMOTE)))
c0885435 »
2008-07-25 archive: move parameter parsing code to archive.c
380 die("Unknown archive format '%s'", format);
381
382 args->compression_level = Z_DEFAULT_COMPRESSION;
383 if (compression_level != -1) {
13e0f88d »
2011-06-21 archive: refactor list of archive formats
384 if ((*ar)->flags & ARCHIVER_WANT_COMPRESSION_LEVELS)
c0885435 »
2008-07-25 archive: move parameter parsing code to archive.c
385 args->compression_level = compression_level;
386 else {
387 die("Argument not supported for format '%s': -%d",
388 format, compression_level);
389 }
390 }
391 args->verbose = verbose;
392 args->base = base;
393 args->baselen = strlen(base);
ba053ea9 »
2009-04-18 archive: do not read .gitattributes in working directory
394 args->worktree_attributes = worktree_attributes;
c0885435 »
2008-07-25 archive: move parameter parsing code to archive.c
395
4fac1d3a »
2008-07-25 archive: allow --exec and --remote without equal sign
396 return argc;
c0885435 »
2008-07-25 archive: move parameter parsing code to archive.c
397 }
398
6e94e683 »
2008-07-25 archive: add write_archive()
399 int write_archive(int argc, const char **argv, const char *prefix,
7b97730b »
2011-06-21 upload-archive: allow user to turn off filters
400 int setup_prefix, const char *name_hint, int remote)
6e94e683 »
2008-07-25 archive: add write_archive()
401 {
23212862 »
2011-06-15 archive: reorder option parsing and config reading
402 int nongit = 0;
6e94e683 »
2008-07-25 archive: add write_archive()
403 const struct archiver *ar = NULL;
404 struct archiver_args args;
405
406 if (setup_prefix && prefix == NULL)
23212862 »
2011-06-15 archive: reorder option parsing and config reading
407 prefix = setup_git_directory_gently(&nongit);
408
409 git_config(git_default_config, NULL);
13e0f88d »
2011-06-21 archive: refactor list of archive formats
410 init_tar_archiver();
411 init_zip_archiver();
23212862 »
2011-06-15 archive: reorder option parsing and config reading
412
7b97730b »
2011-06-21 upload-archive: allow user to turn off filters
413 argc = parse_archive_args(argc, argv, &ar, &args, name_hint, remote);
23212862 »
2011-06-15 archive: reorder option parsing and config reading
414 if (nongit) {
415 /*
416 * We know this will die() with an error, so we could just
417 * die ourselves; but its error message will be more specific
418 * than what we could write here.
419 */
420 setup_git_directory();
421 }
6e94e683 »
2008-07-25 archive: add write_archive()
422
ee27ca4a »
2011-11-17 archive: don't let remote clients get unreachable commits
423 parse_treeish_arg(argv, &args, prefix, remote);
6e94e683 »
2008-07-25 archive: add write_archive()
424 parse_pathspec_arg(argv + 1, &args);
425
4d7c9898 »
2011-06-21 archive: pass archiver struct to write_archive callback
426 return ar->write_archive(ar, &args);
6e94e683 »
2008-07-25 archive: add write_archive()
427 }
56baa61d »
2011-06-21 archive: move file extension format-guessing lower
428
08716b3c »
2011-06-21 archive: refactor file extension format-guessing
429 static int match_extension(const char *filename, const char *ext)
430 {
431 int prefixlen = strlen(filename) - strlen(ext);
432
433 /*
434 * We need 1 character for the '.', and 1 character to ensure that the
435 * prefix is non-empty (k.e., we don't match .tar.gz with no actual
436 * filename).
437 */
438 if (prefixlen < 2 || filename[prefixlen-1] != '.')
439 return 0;
440 return !strcmp(filename + prefixlen, ext);
441 }
442
56baa61d »
2011-06-21 archive: move file extension format-guessing lower
443 const char *archive_format_from_filename(const char *filename)
444 {
08716b3c »
2011-06-21 archive: refactor file extension format-guessing
445 int i;
446
447 for (i = 0; i < nr_archivers; i++)
448 if (match_extension(filename, archivers[i]->name))
449 return archivers[i]->name;
56baa61d »
2011-06-21 archive: move file extension format-guessing lower
450 return NULL;
451 }
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