diff options
Diffstat (limited to 'archive.c')
-rw-r--r-- | archive.c | 223 |
1 files changed, 168 insertions, 55 deletions
@@ -5,18 +5,20 @@ #include "archive.h" #include "parse-options.h" #include "unpack-trees.h" +#include "dir.h" static char const * const archive_usage[] = { - "git archive [options] <tree-ish> [<path>...]", - "git archive --list", - "git archive --remote <repo> [--exec <cmd>] [options] <tree-ish> [<path>...]", - "git archive --remote <repo> [--exec <cmd>] --list", + N_("git archive [options] <tree-ish> [<path>...]"), + N_("git archive --list"), + N_("git archive --remote <repo> [--exec <cmd>] [options] <tree-ish> [<path>...]"), + N_("git archive --remote <repo> [--exec <cmd>] --list"), NULL }; static const struct archiver **archivers; static int nr_archivers; static int alloc_archivers; +static int remote_allow_unreachable; void register_archiver(struct archiver *ar) { @@ -59,12 +61,15 @@ static void format_subst(const struct commit *commit, free(to_free); } -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 *sha1_file_to_archive(const struct archiver_args *args, + const char *path, const unsigned char *sha1, + unsigned int mode, enum object_type *type, + unsigned long *sizep) { void *buffer; + const struct commit *commit = args->convert ? args->commit : NULL; + path += args->baselen; buffer = read_sha1_file(sha1, type, sizep); if (buffer && S_ISREG(mode)) { struct strbuf buf = STRBUF_INIT; @@ -94,9 +99,19 @@ static void setup_archive_check(struct git_attr_check *check) check[1].attr = attr_export_subst; } +struct directory { + struct directory *up; + unsigned char sha1[20]; + int baselen, len; + unsigned mode; + int stage; + char path[FLEX_ARRAY]; +}; + struct archiver_context { struct archiver_args *args; write_archive_entry_fn_t write_entry; + struct directory *bottom; }; static int write_archive_entry(const unsigned char *sha1, const char *base, @@ -109,45 +124,104 @@ static int write_archive_entry(const unsigned char *sha1, const char *base, 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; + args->convert = 0; strbuf_reset(&path); strbuf_grow(&path, PATH_MAX); strbuf_add(&path, args->base, args->baselen); strbuf_add(&path, base, baselen); strbuf_addstr(&path, filename); + if (S_ISDIR(mode) || S_ISGITLINK(mode)) + strbuf_addch(&path, '/'); path_without_prefix = path.buf + args->baselen; setup_archive_check(check); if (!git_check_attr(path_without_prefix, ARRAY_SIZE(check), check)) { if (ATTR_TRUE(check[0].value)) return 0; - convert = ATTR_TRUE(check[1].value); + args->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); + err = write_entry(args, sha1, path.buf, path.len, mode); if (err) return err; return (S_ISDIR(mode) ? READ_TREE_RECURSIVE : 0); } - 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; + return write_entry(args, sha1, path.buf, path.len, mode); +} + +static int write_archive_entry_buf(const unsigned char *sha1, struct strbuf *base, + const char *filename, unsigned mode, int stage, + void *context) +{ + return write_archive_entry(sha1, base->buf, base->len, + filename, mode, stage, context); +} + +static void queue_directory(const unsigned char *sha1, + struct strbuf *base, const char *filename, + unsigned mode, int stage, struct archiver_context *c) +{ + struct directory *d; + d = xmallocz(sizeof(*d) + base->len + 1 + strlen(filename)); + d->up = c->bottom; + d->baselen = base->len; + d->mode = mode; + d->stage = stage; + c->bottom = d; + d->len = sprintf(d->path, "%.*s%s/", (int)base->len, base->buf, filename); + hashcpy(d->sha1, sha1); +} + +static int write_directory(struct archiver_context *c) +{ + struct directory *d = c->bottom; + int ret; + + if (!d) + return 0; + c->bottom = d->up; + d->path[d->len - 1] = '\0'; /* no trailing slash */ + ret = + write_directory(c) || + write_archive_entry(d->sha1, d->path, d->baselen, + d->path + d->baselen, d->mode, + d->stage, c) != READ_TREE_RECURSIVE; + free(d); + return ret ? -1 : 0; +} + +static int queue_or_write_archive_entry(const unsigned char *sha1, + struct strbuf *base, const char *filename, + unsigned mode, int stage, void *context) +{ + struct archiver_context *c = context; + + while (c->bottom && + !(base->len >= c->bottom->len && + !strncmp(base->buf, c->bottom->path, c->bottom->len))) { + struct directory *next = c->bottom->up; + free(c->bottom); + c->bottom = next; + } + + if (S_ISDIR(mode)) { + queue_directory(sha1, base, filename, + mode, stage, c); + return READ_TREE_RECURSIVE; + } + + if (write_directory(c)) + return -1; + return write_archive_entry(sha1, base->buf, base->len, filename, mode, + stage, context); } int write_archive_entries(struct archiver_args *args, @@ -156,7 +230,6 @@ int write_archive_entries(struct archiver_args *args, struct archiver_context context; struct unpack_trees_options opts; struct tree_desc t; - struct pathspec pathspec; int err; if (args->baselen > 0 && args->base[args->baselen - 1] == '/') { @@ -167,11 +240,12 @@ int write_archive_entries(struct archiver_args *args, 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); + len, 040777); if (err) return err; } + memset(&context, 0, sizeof(context)); context.args = args; context.write_entry = write_entry; @@ -191,12 +265,18 @@ int write_archive_entries(struct archiver_args *args, git_attr_set_direction(GIT_ATTR_INDEX, &the_index); } - init_pathspec(&pathspec, args->pathspec); - err = read_tree_recursive(args->tree, "", 0, 0, &pathspec, - write_archive_entry, &context); - free_pathspec(&pathspec); + err = read_tree_recursive(args->tree, "", 0, 0, &args->pathspec, + args->pathspec.has_wildcard ? + queue_or_write_archive_entry : + write_archive_entry_buf, + &context); if (err == READ_TREE_RECURSIVE) err = 0; + while (context.bottom) { + struct directory *next = context.bottom->up; + free(context.bottom); + context.bottom = next; + } return err; } @@ -214,11 +294,20 @@ static const struct archiver *lookup_archiver(const char *name) return NULL; } -static int reject_entry(const unsigned char *sha1, const char *base, - int baselen, const char *filename, unsigned mode, +static int reject_entry(const unsigned char *sha1, struct strbuf *base, + const char *filename, unsigned mode, int stage, void *context) { - return -1; + int ret = -1; + if (S_ISDIR(mode)) { + struct strbuf sb = STRBUF_INIT; + strbuf_addbuf(&sb, base); + strbuf_addstr(&sb, filename); + if (!match_pathspec(context, sb.buf, sb.len, 0, NULL, 1)) + ret = READ_TREE_RECURSIVE; + strbuf_release(&sb); + } + return ret; } static int path_exists(struct tree *tree, const char *path) @@ -227,8 +316,10 @@ static int path_exists(struct tree *tree, const char *path) struct pathspec pathspec; int ret; - init_pathspec(&pathspec, paths); - ret = read_tree_recursive(tree, "", 0, 0, &pathspec, reject_entry, NULL); + parse_pathspec(&pathspec, 0, 0, "", paths); + pathspec.recursive = 1; + ret = read_tree_recursive(tree, "", 0, 0, &pathspec, + reject_entry, &pathspec); free_pathspec(&pathspec); return ret != 0; } @@ -236,18 +327,27 @@ static int path_exists(struct tree *tree, const char *path) static void parse_pathspec_arg(const char **pathspec, struct archiver_args *ar_args) { - ar_args->pathspec = pathspec = get_pathspec("", pathspec); + /* + * must be consistent with parse_pathspec in path_exists() + * Also if pathspec patterns are dependent, we're in big + * trouble as we test each one separately + */ + parse_pathspec(&ar_args->pathspec, 0, + PATHSPEC_PREFER_FULL, + "", pathspec); + ar_args->pathspec.recursive = 1; if (pathspec) { while (*pathspec) { - if (!path_exists(ar_args->tree, *pathspec)) - die("path not found: %s", *pathspec); + if (**pathspec && !path_exists(ar_args->tree, *pathspec)) + die(_("pathspec '%s' did not match any files"), *pathspec); pathspec++; } } } static void parse_treeish_arg(const char **argv, - struct archiver_args *ar_args, const char *prefix) + struct archiver_args *ar_args, const char *prefix, + int remote) { const char *name = argv[0]; const unsigned char *commit_sha1; @@ -256,6 +356,17 @@ static void parse_treeish_arg(const char **argv, const struct commit *commit; unsigned char sha1[20]; + /* Remotes are only allowed to fetch actual refs */ + if (remote && !remote_allow_unreachable) { + char *ref = NULL; + const char *colon = strchrnul(name, ':'); + int refnamelen = colon - name; + + if (!dwim_ref(name, refnamelen, sha1, &ref)) + die("no such ref: %.*s", refnamelen, name); + free(ref); + } + if (get_sha1(name, sha1)) die("Not a valid object name"); @@ -313,16 +424,16 @@ static int parse_archive_args(int argc, const char **argv, int worktree_attributes = 0; struct option opts[] = { OPT_GROUP(""), - OPT_STRING(0, "format", &format, "fmt", "archive format"), - OPT_STRING(0, "prefix", &base, "prefix", - "prepend prefix to each pathname in the archive"), - OPT_STRING('o', "output", &output, "file", - "write the archive to this file"), - OPT_BOOLEAN(0, "worktree-attributes", &worktree_attributes, - "read .gitattributes in working directory"), - OPT__VERBOSE(&verbose, "report archived files on stderr"), - OPT__COMPR('0', &compression_level, "store only", 0), - OPT__COMPR('1', &compression_level, "compress faster", 1), + OPT_STRING(0, "format", &format, N_("fmt"), N_("archive format")), + OPT_STRING(0, "prefix", &base, N_("prefix"), + N_("prepend prefix to each pathname in the archive")), + OPT_STRING('o', "output", &output, N_("file"), + N_("write the archive to this file")), + OPT_BOOL(0, "worktree-attributes", &worktree_attributes, + N_("read .gitattributes in working directory")), + OPT__VERBOSE(&verbose, N_("report archived files on stderr")), + OPT__COMPR('0', &compression_level, N_("store only"), 0), + OPT__COMPR('1', &compression_level, N_("compress faster"), 1), OPT__COMPR_HIDDEN('2', &compression_level, 2), OPT__COMPR_HIDDEN('3', &compression_level, 3), OPT__COMPR_HIDDEN('4', &compression_level, 4), @@ -330,15 +441,15 @@ static int parse_archive_args(int argc, const char **argv, OPT__COMPR_HIDDEN('6', &compression_level, 6), OPT__COMPR_HIDDEN('7', &compression_level, 7), OPT__COMPR_HIDDEN('8', &compression_level, 8), - OPT__COMPR('9', &compression_level, "compress better", 9), + OPT__COMPR('9', &compression_level, N_("compress better"), 9), OPT_GROUP(""), - OPT_BOOLEAN('l', "list", &list, - "list supported archive formats"), + OPT_BOOL('l', "list", &list, + N_("list supported archive formats")), OPT_GROUP(""), - OPT_STRING(0, "remote", &remote, "repo", - "retrieve the archive from remote repository <repo>"), - OPT_STRING(0, "exec", &exec, "cmd", - "path to the remote git-upload-archive command"), + OPT_STRING(0, "remote", &remote, N_("repo"), + N_("retrieve the archive from remote repository <repo>")), + OPT_STRING(0, "exec", &exec, N_("command"), + N_("path to the remote git-upload-archive command")), OPT_END() }; @@ -400,7 +511,9 @@ int write_archive(int argc, const char **argv, const char *prefix, if (setup_prefix && prefix == NULL) prefix = setup_git_directory_gently(&nongit); + git_config_get_bool("uploadarchive.allowunreachable", &remote_allow_unreachable); git_config(git_default_config, NULL); + init_tar_archiver(); init_zip_archiver(); @@ -414,7 +527,7 @@ int write_archive(int argc, const char **argv, const char *prefix, setup_git_directory(); } - parse_treeish_arg(argv, &args, prefix); + parse_treeish_arg(argv, &args, prefix, remote); parse_pathspec_arg(argv + 1, &args); return ar->write_archive(ar, &args); @@ -429,7 +542,7 @@ static int match_extension(const char *filename, const char *ext) * prefix is non-empty (k.e., we don't match .tar.gz with no actual * filename). */ - if (prefixlen < 2 || filename[prefixlen-1] != '.') + if (prefixlen < 2 || filename[prefixlen - 1] != '.') return 0; return !strcmp(filename + prefixlen, ext); } |