Extract the helper function and the type definition of the iterator function it uses out of builtin/fetch.c into a separate source and a header file. Signed-off-by: Junio C Hamano <gitster@pobox.com>
		
			
				
	
	
		
			63 lines
		
	
	
		
			1.5 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			63 lines
		
	
	
		
			1.5 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
#include "cache.h"
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#include "run-command.h"
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#include "sigchain.h"
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#include "connected.h"
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/*
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 * If we feed all the commits we want to verify to this command
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 *
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 *  $ git rev-list --verify-objects --stdin --not --all
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 *
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 * and if it does not error out, that means everything reachable from
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 * these commits locally exists and is connected to some of our
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 * existing refs.
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 *
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 * Returns 0 if everything is connected, non-zero otherwise.
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 */
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int check_everything_connected(sha1_iterate_fn fn, int quiet, void *cb_data)
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{
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	struct child_process rev_list;
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	const char *argv[] = {"rev-list", "--verify-objects",
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			      "--stdin", "--not", "--all", NULL, NULL};
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	char commit[41];
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	unsigned char sha1[20];
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	int err = 0;
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	if (fn(cb_data, sha1))
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		return err;
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	if (quiet)
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		argv[5] = "--quiet";
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	memset(&rev_list, 0, sizeof(rev_list));
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	rev_list.argv = argv;
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	rev_list.git_cmd = 1;
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	rev_list.in = -1;
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	rev_list.no_stdout = 1;
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	rev_list.no_stderr = quiet;
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	if (start_command(&rev_list))
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		return error(_("Could not run 'git rev-list'"));
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	sigchain_push(SIGPIPE, SIG_IGN);
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	commit[40] = '\n';
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	do {
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		memcpy(commit, sha1_to_hex(sha1), 40);
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		if (write_in_full(rev_list.in, commit, 41) < 0) {
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			if (errno != EPIPE && errno != EINVAL)
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				error(_("failed write to rev-list: %s"),
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				      strerror(errno));
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			err = -1;
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			break;
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		}
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	} while (!fn(cb_data, sha1));
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	if (close(rev_list.in)) {
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		error(_("failed to close rev-list's stdin: %s"), strerror(errno));
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		err = -1;
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	}
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	sigchain_pop(SIGPIPE);
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	return finish_command(&rev_list) || err;
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}
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