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blob 70f440d9a0b49c6a70737c8e2c72a056c491ef06 1992 bytes (raw)
name: builtin/merge-index.c 	 # note: path name is non-authoritative(*)

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#define USE_THE_INDEX_COMPATIBILITY_MACROS
#include "builtin.h"
#include "merge-strategies.h"
#include "run-command.h"

static const char *pgm;

static int merge_one_file_spawn(struct index_state *istate,
				const struct object_id *orig_blob,
				const struct object_id *our_blob,
				const struct object_id *their_blob, const char *path,
				unsigned int orig_mode, unsigned int our_mode, unsigned int their_mode,
				void *data)
{
	char oids[3][GIT_MAX_HEXSZ + 1] = {{0}};
	char modes[3][10] = {{0}};
	const char *arguments[] = { pgm, oids[0], oids[1], oids[2],
				    path, modes[0], modes[1], modes[2], NULL };

	if (orig_blob) {
		oid_to_hex_r(oids[0], orig_blob);
		xsnprintf(modes[0], sizeof(modes[0]), "%06o", orig_mode);
	}

	if (our_blob) {
		oid_to_hex_r(oids[1], our_blob);
		xsnprintf(modes[1], sizeof(modes[1]), "%06o", our_mode);
	}

	if (their_blob) {
		oid_to_hex_r(oids[2], their_blob);
		xsnprintf(modes[2], sizeof(modes[2]), "%06o", their_mode);
	}

	return run_command_v_opt(arguments, 0);
}

int cmd_merge_index(int argc, const char **argv, const char *prefix)
{
	int i, force_file = 0, err = 0, one_shot = 0, quiet = 0;

	/* Without this we cannot rely on waitpid() to tell
	 * what happened to our children.
	 */
	signal(SIGCHLD, SIG_DFL);

	if (argc < 3)
		usage("git merge-index [-o] [-q] <merge-program> (-a | [--] [<filename>...])");

	read_cache();

	i = 1;
	if (!strcmp(argv[i], "-o")) {
		one_shot = 1;
		i++;
	}
	if (!strcmp(argv[i], "-q")) {
		quiet = 1;
		i++;
	}

	pgm = argv[i++];

	for (; i < argc; i++) {
		const char *arg = argv[i];
		if (!force_file && *arg == '-') {
			if (!strcmp(arg, "--")) {
				force_file = 1;
				continue;
			}
			if (!strcmp(arg, "-a")) {
				err |= merge_all_index(&the_index, one_shot, quiet,
						       merge_one_file_spawn, NULL);
				continue;
			}
			die("git merge-index: unknown option %s", arg);
		}
		err |= merge_index_path(&the_index, one_shot, quiet, arg,
					merge_one_file_spawn, NULL);
	}

	return err;
}

debug log:

solving 70f440d9a0 ...
found 70f440d9a0 in https://public-inbox.org/git/20210317204939.17890-5-alban.gruin@gmail.com/
found 38ea6ad6ca in https://80x24.org/mirrors/git.git
preparing index
index prepared:
100644 38ea6ad6ca25d5a969afdbfc5b3510ba44e49a33	builtin/merge-index.c

applying [1/1] https://public-inbox.org/git/20210317204939.17890-5-alban.gruin@gmail.com/
diff --git a/builtin/merge-index.c b/builtin/merge-index.c
index 38ea6ad6ca..70f440d9a0 100644

Checking patch builtin/merge-index.c...
Applied patch builtin/merge-index.c cleanly.

index at:
100644 70f440d9a0b49c6a70737c8e2c72a056c491ef06	builtin/merge-index.c

(*) Git path names are given by the tree(s) the blob belongs to.
    Blobs themselves have no identifier aside from the hash of its contents.^

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