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fetch-pack: prepare updated shallow file before fetching the pack

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index-pack --strict looks up and follows parent commits. If shallow
information is not ready by the time index-pack is run, index-pack may
be led to non-existent objects. Make fetch-pack save shallow file to
disk before invoking index-pack.

git learns new global option --shallow-file to pass on the alternate
shallow file path. Undocumented (and not even support --shallow-file=
syntax) because it's unlikely to be used again elsewhere.

Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Nguyễn Thái Ngọc Duy
2013-05-26 08:16:15 +07:00
committed by Junio C Hamano
parent 0781aa4766
commit 6035d6aad8
5 changed files with 93 additions and 38 deletions
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7
git.c
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@ -4,6 +4,7 @@
#include "help.h"
#include "quote.h"
#include "run-command.h"
#include "commit.h"
const char git_usage_string[] =
"git [--version] [--help] [-c name=value]\n"
@ -146,6 +147,12 @@ static int handle_options(const char ***argv, int *argc, int *envchanged)
setenv(GIT_LITERAL_PATHSPECS_ENVIRONMENT, "0", 1);
if (envchanged)
*envchanged = 1;
} else if (!strcmp(cmd, "--shallow-file")) {
(*argv)++;
(*argc)--;
set_alternate_shallow_file((*argv)[0]);
if (envchanged)
*envchanged = 1;
} else {
fprintf(stderr, "Unknown option: %s\n", cmd);
usage(git_usage_string);