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is_submodule_modified(): fix breakage with external GIT_INDEX_FILE

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Even when the environment was given for the top-level process, checking
in the submodule work tree should use the index file associated with the
work tree of the submodule.  Do not export it to the environment.

Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Junio C Hamano 2010-01-30 12:08:26 -08:00
parent a9c7c4364a
commit b0883aa6c7
1 changed files with 5 additions and 2 deletions
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7
submodule.c
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@ -126,7 +126,7 @@ int is_submodule_modified(const char *path)
"--porcelain",
NULL,
};
char *env[3];
char *env[4];
struct strbuf buf = STRBUF_INIT;
strbuf_addf(&buf, "%s/.git/", path);
@ -142,7 +142,9 @@ int is_submodule_modified(const char *path)
env[0] = strbuf_detach(&buf, NULL);
strbuf_addf(&buf, "GIT_DIR=%s/.git", path);
env[1] = strbuf_detach(&buf, NULL);
env[2] = NULL;
strbuf_addf(&buf, "GIT_INDEX_FILE");
env[2] = strbuf_detach(&buf, NULL);
env[3] = NULL;
memset(&cp, 0, sizeof(cp));
cp.argv = argv;
@ -161,6 +163,7 @@ int is_submodule_modified(const char *path)
free(env[0]);
free(env[1]);
free(env[2]);
strbuf_release(&buf);
return len != 0;
}