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 <gits...@pobox.com>
---
 builtin/hash-object.c | 32 +++++++++++++++-----------------
 1 file changed, 15 insertions(+), 17 deletions(-)

diff --git a/builtin/hash-object.c b/builtin/hash-object.c
index 40008e2..1fb07ee 100644
--- a/builtin/hash-object.c
+++ b/builtin/hash-object.c
@@ -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;
 }
-- 
2.1.0-459-g1bc3b2b

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