Builtin git-rev-parse.

Signed-off-by: Christian Couder <chriscool@tuxfamily.org>
Signed-off-by: Junio C Hamano <junkio@cox.net>

1 files changed, 0 insertions, 364 deletions

diff --git a/rev-parse.c b/rev-parse.c
deleted file mode 100644
index 4e2d9fbdf6..0000000000
--- a/rev-parse.c
+++ /dev/null
@@ -1,364 +0,0 @@
-/*
- * rev-parse.c
- *
- * Copyright (C) Linus Torvalds, 2005
- */
-#include "cache.h"
-#include "commit.h"
-#include "refs.h"
-#include "quote.h"
-
-#define DO_REVS		1
-#define DO_NOREV	2
-#define DO_FLAGS	4
-#define DO_NONFLAGS	8
-static int filter = ~0;
-
-static char *def = NULL;
-
-#define NORMAL 0
-#define REVERSED 1
-static int show_type = NORMAL;
-static int symbolic = 0;
-static int abbrev = 0;
-static int output_sq = 0;
-
-static int revs_count = 0;
-
-/*
- * Some arguments are relevant "revision" arguments,
- * others are about output format or other details.
- * This sorts it all out.
- */
-static int is_rev_argument(const char *arg)
-{
-	static const char *rev_args[] = {
-		"--all",
-		"--bisect",
-		"--dense",
-		"--branches",
-		"--header",
-		"--max-age=",
-		"--max-count=",
-		"--min-age=",
-		"--no-merges",
-		"--objects",
-		"--objects-edge",
-		"--parents",
-		"--pretty",
-		"--remotes",
-		"--sparse",
-		"--tags",
-		"--topo-order",
-		"--date-order",
-		"--unpacked",
-		NULL
-	};
-	const char **p = rev_args;
-
-	/* accept -<digit>, like traditional "head" */
-	if ((*arg == '-') && isdigit(arg[1]))
-		return 1;
-
-	for (;;) {
-		const char *str = *p++;
-		int len;
-		if (!str)
-			return 0;
-		len = strlen(str);
-		if (!strcmp(arg, str) ||
-		    (str[len-1] == '=' && !strncmp(arg, str, len)))
-			return 1;
-	}
-}
-
-/* Output argument as a string, either SQ or normal */
-static void show(const char *arg)
-{
-	if (output_sq) {
-		int sq = '\'', ch;
-
-		putchar(sq);
-		while ((ch = *arg++)) {
-			if (ch == sq)
-				fputs("'\\'", stdout);
-			putchar(ch);
-		}
-		putchar(sq);
-		putchar(' ');
-	}
-	else
-		puts(arg);
-}
-
-/* Output a revision, only if filter allows it */
-static void show_rev(int type, const unsigned char *sha1, const char *name)
-{
-	if (!(filter & DO_REVS))
-		return;
-	def = NULL;
-	revs_count++;
-
-	if (type != show_type)
-		putchar('^');
-	if (symbolic && name)
-		show(name);
-	else if (abbrev)
-		show(find_unique_abbrev(sha1, abbrev));
-	else
-		show(sha1_to_hex(sha1));
-}
-
-/* Output a flag, only if filter allows it. */
-static int show_flag(char *arg)
-{
-	if (!(filter & DO_FLAGS))
-		return 0;
-	if (filter & (is_rev_argument(arg) ? DO_REVS : DO_NOREV)) {
-		show(arg);
-		return 1;
-	}
-	return 0;
-}
-
-static void show_default(void)
-{
-	char *s = def;
-
-	if (s) {
-		unsigned char sha1[20];
-
-		def = NULL;
-		if (!get_sha1(s, sha1)) {
-			show_rev(NORMAL, sha1, s);
-			return;
-		}
-	}
-}
-
-static int show_reference(const char *refname, const unsigned char *sha1)
-{
-	show_rev(NORMAL, sha1, refname);
-	return 0;
-}
-
-static void show_datestring(const char *flag, const char *datestr)
-{
-	static char buffer[100];
-
-	/* date handling requires both flags and revs */
-	if ((filter & (DO_FLAGS | DO_REVS)) != (DO_FLAGS | DO_REVS))
-		return;
-	snprintf(buffer, sizeof(buffer), "%s%lu", flag, approxidate(datestr));
-	show(buffer);
-}
-
-static int show_file(const char *arg)
-{
-	show_default();
-	if ((filter & (DO_NONFLAGS|DO_NOREV)) == (DO_NONFLAGS|DO_NOREV)) {
-		show(arg);
-		return 1;
-	}
-	return 0;
-}
-
-int main(int argc, char **argv)
-{
-	int i, as_is = 0, verify = 0;
-	unsigned char sha1[20];
-	const char *prefix = setup_git_directory();
-
-	git_config(git_default_config);
-
-	for (i = 1; i < argc; i++) {
-		char *arg = argv[i];
-		char *dotdot;
-
-		if (as_is) {
-			if (show_file(arg) && as_is < 2)
-				verify_filename(prefix, arg);
-			continue;
-		}
-		if (!strcmp(arg,"-n")) {
-			if (++i >= argc)
-				die("-n requires an argument");
-			if ((filter & DO_FLAGS) && (filter & DO_REVS)) {
-				show(arg);
-				show(argv[i]);
-			}
-			continue;
-		}
-		if (!strncmp(arg,"-n",2)) {
-			if ((filter & DO_FLAGS) && (filter & DO_REVS))
-				show(arg);
-			continue;
-		}
-
-		if (*arg == '-') {
-			if (!strcmp(arg, "--")) {
-				as_is = 2;
-				/* Pass on the "--" if we show anything but files.. */
-				if (filter & (DO_FLAGS | DO_REVS))
-					show_file(arg);
-				continue;
-			}
-			if (!strcmp(arg, "--default")) {
-				def = argv[i+1];
-				i++;
-				continue;
-			}
-			if (!strcmp(arg, "--revs-only")) {
-				filter &= ~DO_NOREV;
-				continue;
-			}
-			if (!strcmp(arg, "--no-revs")) {
-				filter &= ~DO_REVS;
-				continue;
-			}
-			if (!strcmp(arg, "--flags")) {
-				filter &= ~DO_NONFLAGS;
-				continue;
-			}
-			if (!strcmp(arg, "--no-flags")) {
-				filter &= ~DO_FLAGS;
-				continue;
-			}
-			if (!strcmp(arg, "--verify")) {
-				filter &= ~(DO_FLAGS|DO_NOREV);
-				verify = 1;
-				continue;
-			}
-			if (!strcmp(arg, "--short") ||
-			    !strncmp(arg, "--short=", 8)) {
-				filter &= ~(DO_FLAGS|DO_NOREV);
-				verify = 1;
-				abbrev = DEFAULT_ABBREV;
-				if (arg[7] == '=')
-					abbrev = strtoul(arg + 8, NULL, 10);
-				if (abbrev < MINIMUM_ABBREV)
-					abbrev = MINIMUM_ABBREV;
-				else if (40 <= abbrev)
-					abbrev = 40;
-				continue;
-			}
-			if (!strcmp(arg, "--sq")) {
-				output_sq = 1;
-				continue;
-			}
-			if (!strcmp(arg, "--not")) {
-				show_type ^= REVERSED;
-				continue;
-			}
-			if (!strcmp(arg, "--symbolic")) {
-				symbolic = 1;
-				continue;
-			}
-			if (!strcmp(arg, "--all")) {
-				for_each_ref(show_reference);
-				continue;
-			}
-			if (!strcmp(arg, "--branches")) {
-				for_each_branch_ref(show_reference);
-				continue;
-			}
-			if (!strcmp(arg, "--tags")) {
-				for_each_tag_ref(show_reference);
-				continue;
-			}
-			if (!strcmp(arg, "--remotes")) {
-				for_each_remote_ref(show_reference);
-				continue;
-			}
-			if (!strcmp(arg, "--show-prefix")) {
-				if (prefix)
-					puts(prefix);
-				continue;
-			}
-			if (!strcmp(arg, "--show-cdup")) {
-				const char *pfx = prefix;
-				while (pfx) {
-					pfx = strchr(pfx, '/');
-					if (pfx) {
-						pfx++;
-						printf("../");
-					}
-				}
-				putchar('\n');
-				continue;
-			}
-			if (!strcmp(arg, "--git-dir")) {
-				const char *gitdir = getenv(GIT_DIR_ENVIRONMENT);
-				static char cwd[PATH_MAX];
-				if (gitdir) {
-					puts(gitdir);
-					continue;
-				}
-				if (!prefix) {
-					puts(".git");
-					continue;
-				}
-				if (!getcwd(cwd, PATH_MAX))
-					die("unable to get current working directory");
-				printf("%s/.git\n", cwd);
-				continue;
-			}
-			if (!strncmp(arg, "--since=", 8)) {
-				show_datestring("--max-age=", arg+8);
-				continue;
-			}
-			if (!strncmp(arg, "--after=", 8)) {
-				show_datestring("--max-age=", arg+8);
-				continue;
-			}
-			if (!strncmp(arg, "--before=", 9)) {
-				show_datestring("--min-age=", arg+9);
-				continue;
-			}
-			if (!strncmp(arg, "--until=", 8)) {
-				show_datestring("--min-age=", arg+8);
-				continue;
-			}
-			if (show_flag(arg) && verify)
-				die("Needed a single revision");
-			continue;
-		}
-
-		/* Not a flag argument */
-		dotdot = strstr(arg, "..");
-		if (dotdot) {
-			unsigned char end[20];
-			char *next = dotdot + 2;
-			char *this = arg;
-			*dotdot = 0;
-			if (!*next)
-				next = "HEAD";
-			if (dotdot == arg)
-				this = "HEAD";
-			if (!get_sha1(this, sha1) && !get_sha1(next, end)) {
-				show_rev(NORMAL, end, next);
-				show_rev(REVERSED, sha1, this);
-				continue;
-			}
-			*dotdot = '.';
-		}
-		if (!get_sha1(arg, sha1)) {
-			show_rev(NORMAL, sha1, arg);
-			continue;
-		}
-		if (*arg == '^' && !get_sha1(arg+1, sha1)) {
-			show_rev(REVERSED, sha1, arg+1);
-			continue;
-		}
-		as_is = 1;
-		if (!show_file(arg))
-			continue;
-		if (verify)
-			die("Needed a single revision");
-		verify_filename(prefix, arg);
-	}
-	show_default();
-	if (verify && revs_count != 1)
-		die("Needed a single revision");
-	return 0;
-}