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add GIT_SHALLOW_FILE to propagate --shallow-file to subprocesses

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This may be needed when a hook is run after a new shallow pack is
received, but .git/shallow is not settled yet. A temporary shallow
file to plug all loose ends should be used instead. GIT_SHALLOW_FILE
is overriden by --shallow-file.

--shallow-file does not work in this case because the hook may spawn
many git subprocesses and the launch commands do not have
--shallow-file as it's a recent addition.

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
2013-12-05 20:02:45 +07:00
committed by Junio C Hamano
parent 5dbd767601
commit 069c053222
5 changed files with 12 additions and 3 deletions
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6
environment.c
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@ -10,6 +10,7 @@
#include "cache.h"
#include "refs.h"
#include "fmt-merge-msg.h"
#include "commit.h"
int trust_executable_bit = 1;
int trust_ctime = 1;
@ -97,6 +98,7 @@ const char * const local_repo_env[] = {
INDEX_ENVIRONMENT,
NO_REPLACE_OBJECTS_ENVIRONMENT,
GIT_PREFIX_ENVIRONMENT,
GIT_SHALLOW_FILE_ENVIRONMENT,
NULL
};
@ -124,6 +126,7 @@ static char *expand_namespace(const char *raw_namespace)
static void setup_git_env(void)
{
const char *gitfile;
const char *shallow_file;
git_dir = getenv(GIT_DIR_ENVIRONMENT);
if (!git_dir)
@ -147,6 +150,9 @@ static void setup_git_env(void)
read_replace_refs = 0;
namespace = expand_namespace(getenv(GIT_NAMESPACE_ENVIRONMENT));
namespace_len = strlen(namespace);
shallow_file = getenv(GIT_SHALLOW_FILE_ENVIRONMENT);
if (shallow_file)
set_alternate_shallow_file(shallow_file, 0);
}
int is_bare_repository(void)