diff options
Diffstat (limited to 'archive.c')
| -rw-r--r-- | archive.c | 132 |
1 files changed, 96 insertions, 36 deletions
@@ -1,6 +1,7 @@ #include "cache.h" #include "commit.h" #include "attr.h" +#include "archive.h" static void format_subst(const struct commit *commit, const char *src, size_t len, @@ -35,34 +36,9 @@ static void format_subst(const struct commit *commit, free(to_free); } -static int convert_to_archive(const char *path, - const void *src, size_t len, - struct strbuf *buf, - const struct commit *commit) -{ - static struct git_attr *attr_export_subst; - struct git_attr_check check[1]; - - if (!commit) - return 0; - - if (!attr_export_subst) - attr_export_subst = git_attr("export-subst", 12); - - check[0].attr = attr_export_subst; - if (git_checkattr(path, ARRAY_SIZE(check), check)) - return 0; - if (!ATTR_TRUE(check[0].value)) - return 0; - - format_subst(commit, src, len, buf); - return 1; -} - -void *sha1_file_to_archive(const char *path, const unsigned char *sha1, - unsigned int mode, enum object_type *type, - unsigned long *sizep, - const struct commit *commit) +static void *sha1_file_to_archive(const char *path, const unsigned char *sha1, + unsigned int mode, enum object_type *type, + unsigned long *sizep, const struct commit *commit) { void *buffer; @@ -74,7 +50,8 @@ void *sha1_file_to_archive(const char *path, const unsigned char *sha1, strbuf_init(&buf, 0); strbuf_attach(&buf, buffer, *sizep, *sizep + 1); convert_to_working_tree(path, buf.buf, buf.len, &buf); - convert_to_archive(path, buf.buf, buf.len, &buf, commit); + if (commit) + format_subst(commit, buf.buf, buf.len, &buf); buffer = strbuf_detach(&buf, &size); *sizep = size; } @@ -82,16 +59,99 @@ void *sha1_file_to_archive(const char *path, const unsigned char *sha1, return buffer; } -int is_archive_path_ignored(const char *path) +static void setup_archive_check(struct git_attr_check *check) { static struct git_attr *attr_export_ignore; - struct git_attr_check check[1]; + static struct git_attr *attr_export_subst; - if (!attr_export_ignore) + if (!attr_export_ignore) { attr_export_ignore = git_attr("export-ignore", 13); - + attr_export_subst = git_attr("export-subst", 12); + } check[0].attr = attr_export_ignore; - if (git_checkattr(path, ARRAY_SIZE(check), check)) - return 0; - return ATTR_TRUE(check[0].value); + check[1].attr = attr_export_subst; +} + +struct archiver_context { + struct archiver_args *args; + write_archive_entry_fn_t write_entry; +}; + +static int write_archive_entry(const unsigned char *sha1, const char *base, + int baselen, const char *filename, unsigned mode, int stage, + void *context) +{ + static struct strbuf path = STRBUF_INIT; + struct archiver_context *c = context; + struct archiver_args *args = c->args; + write_archive_entry_fn_t write_entry = c->write_entry; + struct git_attr_check check[2]; + const char *path_without_prefix; + int convert = 0; + int err; + enum object_type type; + unsigned long size; + void *buffer; + + strbuf_reset(&path); + strbuf_grow(&path, PATH_MAX); + strbuf_add(&path, base, baselen); + strbuf_addstr(&path, filename); + path_without_prefix = path.buf + args->baselen; + + setup_archive_check(check); + if (!git_checkattr(path_without_prefix, ARRAY_SIZE(check), check)) { + if (ATTR_TRUE(check[0].value)) + return 0; + convert = ATTR_TRUE(check[1].value); + } + + if (S_ISDIR(mode) || S_ISGITLINK(mode)) { + strbuf_addch(&path, '/'); + if (args->verbose) + fprintf(stderr, "%.*s\n", (int)path.len, path.buf); + err = write_entry(args, sha1, path.buf, path.len, mode, NULL, 0); + if (err) + return err; + return READ_TREE_RECURSIVE; + } + + buffer = sha1_file_to_archive(path_without_prefix, sha1, mode, + &type, &size, convert ? args->commit : NULL); + if (!buffer) + return error("cannot read %s", sha1_to_hex(sha1)); + if (args->verbose) + fprintf(stderr, "%.*s\n", (int)path.len, path.buf); + err = write_entry(args, sha1, path.buf, path.len, mode, buffer, size); + free(buffer); + return err; +} + +int write_archive_entries(struct archiver_args *args, + write_archive_entry_fn_t write_entry) +{ + struct archiver_context context; + int err; + + if (args->baselen > 0 && args->base[args->baselen - 1] == '/') { + size_t len = args->baselen; + + while (len > 1 && args->base[len - 2] == '/') + len--; + if (args->verbose) + fprintf(stderr, "%.*s\n", (int)len, args->base); + err = write_entry(args, args->tree->object.sha1, args->base, + len, 040777, NULL, 0); + if (err) + return err; + } + + context.args = args; + context.write_entry = write_entry; + + err = read_tree_recursive(args->tree, args->base, args->baselen, 0, + args->pathspec, write_archive_entry, &context); + if (err == READ_TREE_RECURSIVE) + err = 0; + return err; } |