From b28a1ce04cdafbd3b470ec43c0f562054bd45d4d Mon Sep 17 00:00:00 2001 From: Linus Torvalds Date: Thu, 21 Jan 2010 19:50:11 -0800 Subject: make "git hash-object" a built-in Signed-off-by: Linus Torvalds Signed-off-by: Junio C Hamano diff --git a/Makefile b/Makefile index 969adc7..6e7431e 100644 --- a/Makefile +++ b/Makefile @@ -387,7 +387,6 @@ EXTRA_PROGRAMS = # ... and all the rest that could be moved out of bindir to gitexecdir PROGRAMS += $(EXTRA_PROGRAMS) PROGRAMS += git-fast-import$X -PROGRAMS += git-hash-object$X PROGRAMS += git-imap-send$X PROGRAMS += git-index-pack$X PROGRAMS += git-merge-index$X @@ -658,6 +657,7 @@ BUILTIN_OBJS += builtin-for-each-ref.o BUILTIN_OBJS += builtin-fsck.o BUILTIN_OBJS += builtin-gc.o BUILTIN_OBJS += builtin-grep.o +BUILTIN_OBJS += builtin-hash-object.o BUILTIN_OBJS += builtin-help.o BUILTIN_OBJS += builtin-init-db.o BUILTIN_OBJS += builtin-log.o diff --git a/builtin-hash-object.c b/builtin-hash-object.c new file mode 100644 index 0000000..6a5f5b5 --- /dev/null +++ b/builtin-hash-object.c @@ -0,0 +1,134 @@ +/* + * GIT - The information manager from hell + * + * Copyright (C) Linus Torvalds, 2005 + * Copyright (C) Junio C Hamano, 2005 + */ +#include "cache.h" +#include "blob.h" +#include "quote.h" +#include "parse-options.h" +#include "exec_cmd.h" + +static void hash_fd(int fd, const char *type, int write_object, const char *path) +{ + struct stat st; + unsigned char sha1[20]; + 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); + 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) +{ + 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 = STRBUF_INIT, nbuf = STRBUF_INIT; + + while (strbuf_getline(&buf, stdin, '\n') != EOF) { + if (buf.buf[0] == '"') { + strbuf_reset(&nbuf); + if (unquote_c_style(&nbuf, buf.buf, NULL)) + die("line is badly quoted"); + strbuf_swap(&buf, &nbuf); + } + hash_object(buf.buf, type, write_objects, buf.buf); + } + strbuf_release(&buf); + strbuf_release(&nbuf); +} + +static const char * const hash_object_usage[] = { + "git hash-object [-t ] [-w] [--path=|--no-filters] [--stdin] [--] ...", + "git hash-object --stdin-paths < ", + NULL +}; + +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 cmd_hash_object(int argc, const char **argv, const char *prefix) +{ + int i; + int prefix_length = -1; + const char *errstr = NULL; + + type = blob_type; + + 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); + + 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); + + return 0; +} diff --git a/builtin.h b/builtin.h index 0936ad2..f525e92 100644 --- a/builtin.h +++ b/builtin.h @@ -55,6 +55,7 @@ extern int cmd_fsck(int argc, const char **argv, const char *prefix); extern int cmd_gc(int argc, const char **argv, const char *prefix); extern int cmd_get_tar_commit_id(int argc, const char **argv, const char *prefix); extern int cmd_grep(int argc, const char **argv, const char *prefix); +extern int cmd_hash_object(int argc, const char **argv, const char *prefix); extern int cmd_help(int argc, const char **argv, const char *prefix); extern int cmd_http_fetch(int argc, const char **argv, const char *prefix); extern int cmd_init_db(int argc, const char **argv, const char *prefix); diff --git a/git.c b/git.c index 15b13bd..c13ec72 100644 --- a/git.c +++ b/git.c @@ -318,6 +318,7 @@ static void handle_internal_command(int argc, const char **argv) { "gc", cmd_gc, RUN_SETUP }, { "get-tar-commit-id", cmd_get_tar_commit_id }, { "grep", cmd_grep, USE_PAGER }, + { "hash-object", cmd_hash_object }, { "help", cmd_help }, { "init", cmd_init_db }, { "init-db", cmd_init_db }, diff --git a/hash-object.c b/hash-object.c deleted file mode 100644 index 9455dd0..0000000 --- a/hash-object.c +++ /dev/null @@ -1,137 +0,0 @@ -/* - * GIT - The information manager from hell - * - * Copyright (C) Linus Torvalds, 2005 - * Copyright (C) Junio C Hamano, 2005 - */ -#include "cache.h" -#include "blob.h" -#include "quote.h" -#include "parse-options.h" -#include "exec_cmd.h" - -static void hash_fd(int fd, const char *type, int write_object, const char *path) -{ - struct stat st; - unsigned char sha1[20]; - 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); - 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) -{ - 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 = STRBUF_INIT, nbuf = STRBUF_INIT; - - while (strbuf_getline(&buf, stdin, '\n') != EOF) { - if (buf.buf[0] == '"') { - strbuf_reset(&nbuf); - if (unquote_c_style(&nbuf, buf.buf, NULL)) - die("line is badly quoted"); - strbuf_swap(&buf, &nbuf); - } - hash_object(buf.buf, type, write_objects, buf.buf); - } - strbuf_release(&buf); - strbuf_release(&nbuf); -} - -static const char * const hash_object_usage[] = { - "git hash-object [-t ] [-w] [--path=|--no-filters] [--stdin] [--] ...", - "git hash-object --stdin-paths < ", - NULL -}; - -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 *prefix = NULL; - int prefix_length = -1; - 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); - - 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); - - return 0; -} -- cgit v0.10.2-6-g49f6