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hash-object: pass 'write_object' as a flag

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Instead of forcing callers of lower level functions write
(write_object ? HASH_WRITE_OBJECT : 0), prepare the flag to be
passed down in the callchain from the command line parser.

Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Junio C Hamano 2014-09-11 12:44:05 -07:00
parent b64a984606
commit 17b787f603
1 changed files with 15 additions and 17 deletions
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32
builtin/hash-object.c
View file

@ -10,33 +10,31 @@
#include "parse-options.h"
#include "exec_cmd.h"
static void hash_fd(int fd, const char *type, int write_object, const char *path)
static void hash_fd(int fd, const char *type, const char *path, unsigned flags)
{
struct stat st;
unsigned char sha1[20];
unsigned flags = (HASH_FORMAT_CHECK |
(write_object ? HASH_WRITE_OBJECT : 0));
if (fstat(fd, &st) < 0 ||
index_fd(sha1, fd, &st, type_from_string(type), path, flags))
die(write_object
die((flags & HASH_WRITE_OBJECT)
? "Unable to add %s to database"
: "Unable to hash %s", path);
printf("%s\n", sha1_to_hex(sha1));
maybe_flush_or_die(stdout, "hash to stdout");
}
static void hash_object(const char *path, const char *type, int write_object,
const char *vpath)
static void hash_object(const char *path, const char *type, const char *vpath,
unsigned flags)
{
int fd;
fd = open(path, O_RDONLY);
if (fd < 0)
die_errno("Cannot open '%s'", path);
hash_fd(fd, type, write_object, vpath);
hash_fd(fd, type, vpath, flags);
}
static void hash_stdin_paths(const char *type, int write_objects, int no_filters)
static void hash_stdin_paths(const char *type, int no_filters, unsigned flags)
{
struct strbuf buf = STRBUF_INIT, nbuf = STRBUF_INIT;
@ -47,8 +45,7 @@ static void hash_stdin_paths(const char *type, int write_objects, int no_filters
die("line is badly quoted");
strbuf_swap(&buf, &nbuf);
}
hash_object(buf.buf, type, write_objects,
no_filters ? NULL : buf.buf);
hash_object(buf.buf, type, no_filters ? NULL : buf.buf, flags);
}
strbuf_release(&buf);
strbuf_release(&nbuf);
@ -64,12 +61,13 @@ int cmd_hash_object(int argc, const char **argv, const char *prefix)
const char *type = blob_type;
int hashstdin = 0;
int stdin_paths = 0;
int write_object = 0;
int no_filters = 0;
unsigned flags = HASH_FORMAT_CHECK;
const char *vpath = NULL;
const struct option hash_object_options[] = {
OPT_STRING('t', NULL, &type, N_("type"), N_("object type")),
OPT_BOOL('w', NULL, &write_object, N_("write the object into the object database")),
OPT_BIT('w', NULL, &flags, N_("write the object into the object database"),
HASH_WRITE_OBJECT),
OPT_COUNTUP( 0 , "stdin", &hashstdin, N_("read the object from stdin")),
OPT_BOOL( 0 , "stdin-paths", &stdin_paths, N_("read file names from stdin")),
OPT_BOOL( 0 , "no-filters", &no_filters, N_("store file as is without filters")),
@ -83,7 +81,7 @@ int cmd_hash_object(int argc, const char **argv, const char *prefix)
argc = parse_options(argc, argv, NULL, hash_object_options,
hash_object_usage, 0);
if (write_object) {
if (flags & HASH_WRITE_OBJECT) {
prefix = setup_git_directory();
prefix_length = prefix ? strlen(prefix) : 0;
if (vpath && prefix)
@ -113,19 +111,19 @@ int cmd_hash_object(int argc, const char **argv, const char *prefix)
}
if (hashstdin)
hash_fd(0, type, write_object, vpath);
hash_fd(0, type, vpath, flags);
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);
hash_object(arg, type, no_filters ? NULL : vpath ? vpath : arg,
flags);
}
if (stdin_paths)
hash_stdin_paths(type, write_object, no_filters);
hash_stdin_paths(type, no_filters, flags);
return 0;
}