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-rw-r--r--archive.c85
1 files changed, 69 insertions, 16 deletions
diff --git a/archive.c b/archive.c
index 45d242b884..1944ed4e4d 100644
--- a/archive.c
+++ b/archive.c
@@ -4,18 +4,19 @@
#include "attr.h"
#include "archive.h"
#include "parse-options.h"
+#include "unpack-trees.h"
static char const * const archive_usage[] = {
- "git archive [options] <tree-ish> [path...]",
+ "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>] [options] <tree-ish> [<path>...]",
"git archive --remote <repo> [--exec <cmd>] --list",
NULL
};
#define USES_ZLIB_COMPRESSION 1
-const struct archiver {
+static const struct archiver {
const char *name;
write_archive_fn_t write_archive;
unsigned int flags;
@@ -29,11 +30,13 @@ static void format_subst(const struct commit *commit,
struct strbuf *buf)
{
char *to_free = NULL;
- struct strbuf fmt;
+ struct strbuf fmt = STRBUF_INIT;
+ struct pretty_print_context ctx = {0};
+ ctx.date_mode = DATE_NORMAL;
+ ctx.abbrev = DEFAULT_ABBREV;
if (src == buf->buf)
to_free = strbuf_detach(buf, NULL);
- strbuf_init(&fmt, 0);
for (;;) {
const char *b, *c;
@@ -48,7 +51,7 @@ static void format_subst(const struct commit *commit,
strbuf_add(&fmt, b + 8, c - b - 8);
strbuf_add(buf, src, b - src);
- format_commit_message(commit, fmt.buf, buf, DATE_NORMAL);
+ format_commit_message(commit, fmt.buf, buf, &ctx);
len -= c + 1 - src;
src = c + 1;
}
@@ -65,10 +68,9 @@ static void *sha1_file_to_archive(const char *path, const unsigned char *sha1,
buffer = read_sha1_file(sha1, type, sizep);
if (buffer && S_ISREG(mode)) {
- struct strbuf buf;
+ struct strbuf buf = STRBUF_INIT;
size_t size = 0;
- strbuf_init(&buf, 0);
strbuf_attach(&buf, buffer, *sizep, *sizep + 1);
convert_to_working_tree(path, buf.buf, buf.len, &buf);
if (commit)
@@ -86,8 +88,8 @@ static void setup_archive_check(struct git_attr_check *check)
static struct git_attr *attr_export_subst;
if (!attr_export_ignore) {
- attr_export_ignore = git_attr("export-ignore", 13);
- attr_export_subst = git_attr("export-subst", 12);
+ attr_export_ignore = git_attr("export-ignore");
+ attr_export_subst = git_attr("export-subst");
}
check[0].attr = attr_export_ignore;
check[1].attr = attr_export_subst;
@@ -116,6 +118,7 @@ static int write_archive_entry(const unsigned char *sha1, const char *base,
strbuf_reset(&path);
strbuf_grow(&path, PATH_MAX);
+ strbuf_add(&path, args->base, args->baselen);
strbuf_add(&path, base, baselen);
strbuf_addstr(&path, filename);
path_without_prefix = path.buf + args->baselen;
@@ -134,7 +137,7 @@ static int write_archive_entry(const unsigned char *sha1, const char *base,
err = write_entry(args, sha1, path.buf, path.len, mode, NULL, 0);
if (err)
return err;
- return READ_TREE_RECURSIVE;
+ return (S_ISDIR(mode) ? READ_TREE_RECURSIVE : 0);
}
buffer = sha1_file_to_archive(path_without_prefix, sha1, mode,
@@ -152,6 +155,8 @@ int write_archive_entries(struct archiver_args *args,
write_archive_entry_fn_t write_entry)
{
struct archiver_context context;
+ struct unpack_trees_options opts;
+ struct tree_desc t;
int err;
if (args->baselen > 0 && args->base[args->baselen - 1] == '/') {
@@ -170,8 +175,24 @@ int write_archive_entries(struct archiver_args *args,
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);
+ /*
+ * Setup index and instruct attr to read index only
+ */
+ if (!args->worktree_attributes) {
+ memset(&opts, 0, sizeof(opts));
+ opts.index_only = 1;
+ opts.head_idx = -1;
+ opts.src_index = &the_index;
+ opts.dst_index = &the_index;
+ opts.fn = oneway_merge;
+ init_tree_desc(&t, args->tree->buffer, args->tree->size);
+ if (unpack_trees(1, &t, &opts))
+ return -1;
+ git_attr_set_direction(GIT_ATTR_INDEX, &the_index);
+ }
+
+ err = read_tree_recursive(args->tree, "", 0, 0, args->pathspec,
+ write_archive_entry, &context);
if (err == READ_TREE_RECURSIVE)
err = 0;
return err;
@@ -191,10 +212,33 @@ 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,
+ int stage, void *context)
+{
+ return -1;
+}
+
+static int path_exists(struct tree *tree, const char *path)
+{
+ const char *pathspec[] = { path, NULL };
+
+ if (read_tree_recursive(tree, "", 0, 0, pathspec, reject_entry, NULL))
+ return 1;
+ return 0;
+}
+
static void parse_pathspec_arg(const char **pathspec,
struct archiver_args *ar_args)
{
- ar_args->pathspec = get_pathspec(ar_args->base, pathspec);
+ ar_args->pathspec = pathspec = get_pathspec("", pathspec);
+ if (pathspec) {
+ while (*pathspec) {
+ if (!path_exists(ar_args->tree, *pathspec))
+ die("path not found: %s", *pathspec);
+ pathspec++;
+ }
+ }
}
static void parse_treeish_arg(const char **argv,
@@ -255,16 +299,22 @@ static int parse_archive_args(int argc, const char **argv,
const char *base = NULL;
const char *remote = NULL;
const char *exec = NULL;
+ const char *output = NULL;
int compression_level = -1;
int verbose = 0;
int i;
int list = 0;
+ 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__VERBOSE(&verbose),
+ 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__COMPR_HIDDEN('2', &compression_level, 2),
@@ -286,12 +336,14 @@ static int parse_archive_args(int argc, const char **argv,
OPT_END()
};
- argc = parse_options(argc, argv, opts, archive_usage, 0);
+ argc = parse_options(argc, argv, NULL, opts, archive_usage, 0);
if (remote)
die("Unexpected option --remote");
if (exec)
die("Option --exec can only be used together with --remote");
+ if (output)
+ die("Unexpected option --output");
if (!base)
base = "";
@@ -321,6 +373,7 @@ static int parse_archive_args(int argc, const char **argv,
args->verbose = verbose;
args->base = base;
args->baselen = strlen(base);
+ args->worktree_attributes = worktree_attributes;
return argc;
}