diff options
Diffstat (limited to 'hash-object.c')
| -rw-r--r-- | hash-object.c | 167 |
1 files changed, 84 insertions, 83 deletions
diff --git a/hash-object.c b/hash-object.c index 46c06a9552..9455dd0709 100644 --- a/hash-object.c +++ b/hash-object.c @@ -7,16 +7,15 @@ #include "cache.h" #include "blob.h" #include "quote.h" +#include "parse-options.h" +#include "exec_cmd.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 +23,20 @@ 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_errno("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 +44,94 @@ 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_extract_argv0_path(argv[0]); + + argc = parse_options(argc, argv, NULL, 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); + } 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; - } + 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; } |