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-rw-r--r--hash-object.c163
1 files changed, 80 insertions, 83 deletions
diff --git a/hash-object.c b/hash-object.c
index 46c06a9..846e91a 100644
--- a/hash-object.c
+++ b/hash-object.c
@@ -7,16 +7,14 @@
#include "cache.h"
#include "blob.h"
#include "quote.h"
+#include "parse-options.h"
-static void hash_object(const char *path, enum object_type type, int write_object)
+static void hash_fd(int fd, const char *type, int write_object, const char *path)
{
- int fd;
struct stat st;
unsigned char sha1[20];
- fd = open(path, O_RDONLY);
- if (fd < 0 ||
- fstat(fd, &st) < 0 ||
- index_fd(sha1, fd, &st, write_object, type, path))
+ if (fstat(fd, &st) < 0 ||
+ index_fd(sha1, fd, &st, write_object, type_from_string(type), path))
die(write_object
? "Unable to add %s to database"
: "Unable to hash %s", path);
@@ -24,20 +22,20 @@ static void hash_object(const char *path, enum object_type type, int write_objec
maybe_flush_or_die(stdout, "hash to stdout");
}
-static void hash_stdin(const char *type, int write_object)
+static void hash_object(const char *path, const char *type, int write_object,
+ const char *vpath)
{
- unsigned char sha1[20];
- if (index_pipe(sha1, 0, type, write_object))
- die("Unable to add stdin to database");
- printf("%s\n", sha1_to_hex(sha1));
+ int fd;
+ fd = open(path, O_RDONLY);
+ if (fd < 0)
+ die("Cannot open %s", path);
+ hash_fd(fd, type, write_object, vpath);
}
static void hash_stdin_paths(const char *type, int write_objects)
{
- struct strbuf buf, nbuf;
+ struct strbuf buf = STRBUF_INIT, nbuf = STRBUF_INIT;
- strbuf_init(&buf, 0);
- strbuf_init(&nbuf, 0);
while (strbuf_getline(&buf, stdin, '\n') != EOF) {
if (buf.buf[0] == '"') {
strbuf_reset(&nbuf);
@@ -45,92 +43,91 @@ static void hash_stdin_paths(const char *type, int write_objects)
die("line is badly quoted");
strbuf_swap(&buf, &nbuf);
}
- hash_object(buf.buf, type_from_string(type), write_objects);
+ hash_object(buf.buf, type, write_objects, buf.buf);
}
strbuf_release(&buf);
strbuf_release(&nbuf);
}
-static const char hash_object_usage[] =
-"git hash-object [ [-t <type>] [-w] [--stdin] <file>... | --stdin-paths < <list-of-paths> ]";
+static const char * const hash_object_usage[] = {
+ "git hash-object [-t <type>] [-w] [--path=<file>|--no-filters] [--stdin] [--] <file>...",
+ "git hash-object --stdin-paths < <list-of-paths>",
+ NULL
+};
-int main(int argc, char **argv)
+static const char *type;
+static int write_object;
+static int hashstdin;
+static int stdin_paths;
+static int no_filters;
+static const char *vpath;
+
+static const struct option hash_object_options[] = {
+ OPT_STRING('t', NULL, &type, "type", "object type"),
+ OPT_BOOLEAN('w', NULL, &write_object, "write the object into the object database"),
+ OPT_BOOLEAN( 0 , "stdin", &hashstdin, "read the object from stdin"),
+ OPT_BOOLEAN( 0 , "stdin-paths", &stdin_paths, "read file names from stdin"),
+ OPT_BOOLEAN( 0 , "no-filters", &no_filters, "store file as is without filters"),
+ OPT_STRING( 0 , "path", &vpath, "file", "process file as it were from this path"),
+ OPT_END()
+};
+
+int main(int argc, const char **argv)
{
int i;
- const char *type = blob_type;
- int write_object = 0;
const char *prefix = NULL;
int prefix_length = -1;
- int no_more_flags = 0;
- int hashstdin = 0;
- int stdin_paths = 0;
+ const char *errstr = NULL;
+
+ type = blob_type;
git_config(git_default_config, NULL);
- for (i = 1 ; i < argc; i++) {
- if (!no_more_flags && argv[i][0] == '-') {
- if (!strcmp(argv[i], "-t")) {
- if (argc <= ++i)
- usage(hash_object_usage);
- type = argv[i];
- }
- else if (!strcmp(argv[i], "-w")) {
- if (prefix_length < 0) {
- prefix = setup_git_directory();
- prefix_length =
- prefix ? strlen(prefix) : 0;
- }
- write_object = 1;
- }
- else if (!strcmp(argv[i], "--")) {
- no_more_flags = 1;
- }
- else if (!strcmp(argv[i], "--help"))
- usage(hash_object_usage);
- else if (!strcmp(argv[i], "--stdin-paths")) {
- if (hashstdin) {
- error("Can't use --stdin-paths with --stdin");
- usage(hash_object_usage);
- }
- stdin_paths = 1;
-
- }
- else if (!strcmp(argv[i], "--stdin")) {
- if (stdin_paths) {
- error("Can't use %s with --stdin-paths", argv[i]);
- usage(hash_object_usage);
- }
- if (hashstdin)
- die("Multiple --stdin arguments are not supported");
- hashstdin = 1;
- }
- else
- usage(hash_object_usage);
- }
- else {
- const char *arg = argv[i];
-
- if (stdin_paths) {
- error("Can't specify files (such as \"%s\") with --stdin-paths", arg);
- usage(hash_object_usage);
- }
-
- if (hashstdin) {
- hash_stdin(type, write_object);
- hashstdin = 0;
- }
- if (0 <= prefix_length)
- arg = prefix_filename(prefix, prefix_length,
- arg);
- hash_object(arg, type_from_string(type), write_object);
- no_more_flags = 1;
- }
+ argc = parse_options(argc, argv, hash_object_options, hash_object_usage, 0);
+
+ if (write_object) {
+ prefix = setup_git_directory();
+ prefix_length = prefix ? strlen(prefix) : 0;
+ if (vpath && prefix)
+ vpath = prefix_filename(prefix, prefix_length, vpath);
+ }
+
+ if (stdin_paths) {
+ if (hashstdin)
+ errstr = "Can't use --stdin-paths with --stdin";
+ else if (argc)
+ errstr = "Can't specify files with --stdin-paths";
+ else if (vpath)
+ errstr = "Can't use --stdin-paths with --path";
+ else if (no_filters)
+ errstr = "Can't use --stdin-paths with --no-filters";
+ }
+ else {
+ if (hashstdin > 1)
+ errstr = "Multiple --stdin arguments are not supported";
+ if (vpath && no_filters)
+ errstr = "Can't use --path with --no-filters";
+ }
+
+ if (errstr) {
+ error("%s", errstr);
+ usage_with_options(hash_object_usage, hash_object_options);
+ }
+
+ if (hashstdin)
+ hash_fd(0, type, write_object, vpath);
+
+ for (i = 0 ; i < argc; i++) {
+ const char *arg = argv[i];
+
+ if (0 <= prefix_length)
+ arg = prefix_filename(prefix, prefix_length, arg);
+ hash_object(arg, type, write_object,
+ no_filters ? NULL : vpath ? vpath : arg);
}
if (stdin_paths)
hash_stdin_paths(type, write_object);
- if (hashstdin)
- hash_stdin(type, write_object);
return 0;
}