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-rw-r--r--cache.h8
-rw-r--r--checkout-cache.c2
-rw-r--r--read-cache.c2
-rw-r--r--read-tree.c19
-rw-r--r--show-files.c1
-rw-r--r--update-cache.c19
6 files changed, 31 insertions, 20 deletions
diff --git a/cache.h b/cache.h
index 378299a..02b6a73 100644
--- a/cache.h
+++ b/cache.h
@@ -11,6 +11,7 @@
#include <string.h>
#include <errno.h>
#include <sys/mman.h>
+#include <sys/param.h>
#include <netinet/in.h>
#include <openssl/sha.h>
@@ -84,6 +85,13 @@ unsigned int active_nr, active_alloc;
#define DB_ENVIRONMENT "SHA1_FILE_DIRECTORY"
#define DEFAULT_DB_ENVIRONMENT ".git/objects"
+#define get_object_directory() (getenv(DB_ENVIRONMENT) ? : DEFAULT_DB_ENVIRONMENT)
+
+#define INDEX_ENVIRONMENT "GIT_INDEX_FILE"
+#define DEFAULT_INDEX_ENVIRONMENT ".git/index"
+
+#define get_index_file() (getenv(INDEX_ENVIRONMENT) ? : DEFAULT_INDEX_ENVIRONMENT)
+
#define alloc_nr(x) (((x)+16)*3/2)
/* Initialize and use the cache information */
diff --git a/checkout-cache.c b/checkout-cache.c
index 972b1f7..f65be62 100644
--- a/checkout-cache.c
+++ b/checkout-cache.c
@@ -32,8 +32,6 @@
* of "-a" causing problems (not possible in the above example,
* but get used to it in scripting!).
*/
-#include <sys/param.h>
-
#include "cache.h"
static int force = 0, quiet = 0;
diff --git a/read-cache.c b/read-cache.c
index 44a713a..4b668be 100644
--- a/read-cache.c
+++ b/read-cache.c
@@ -188,7 +188,7 @@ int read_cache(void)
sha1_file_directory = DEFAULT_DB_ENVIRONMENT;
if (access(sha1_file_directory, X_OK) < 0)
return error("no access to SHA1 file directory");
- fd = open(".git/index", O_RDONLY);
+ fd = open(get_index_file(), O_RDONLY);
if (fd < 0)
return (errno == ENOENT) ? 0 : error("open failed");
diff --git a/read-tree.c b/read-tree.c
index 53351f0..8121e30 100644
--- a/read-tree.c
+++ b/read-tree.c
@@ -79,12 +79,12 @@ static int read_tree(unsigned char *sha1, const char *base, int baselen)
return read_tree_recursive(buffer, "tree", size, base, baselen);
}
-static int remove_lock = 0;
+static char *lockfile_name;
static void remove_lock_file(void)
{
- if (remove_lock)
- unlink(".git/index.lock");
+ if (lockfile_name)
+ unlink(lockfile_name);
}
static int path_matches(struct cache_entry *a, struct cache_entry *b)
@@ -223,12 +223,16 @@ int main(int argc, char **argv)
{
int i, newfd, merge;
unsigned char sha1[20];
+ static char lockfile[MAXPATHLEN+1];
+ const char *indexfile = get_index_file();
- newfd = open(".git/index.lock", O_RDWR | O_CREAT | O_EXCL, 0600);
+ snprintf(lockfile, sizeof(lockfile), "%s.lock", indexfile);
+
+ newfd = open(lockfile, O_RDWR | O_CREAT | O_EXCL, 0600);
if (newfd < 0)
die("unable to create new cachefile");
atexit(remove_lock_file);
- remove_lock = 1;
+ lockfile_name = lockfile;
merge = 0;
for (i = 1; i < argc; i++) {
@@ -268,9 +272,8 @@ int main(int argc, char **argv)
die("just how do you expect me to merge %d trees?", stage-1);
}
}
- if (write_cache(newfd, active_cache, active_nr) ||
- rename(".git/index.lock", ".git/index"))
+ if (write_cache(newfd, active_cache, active_nr) || rename(lockfile, indexfile))
die("unable to write new index file");
- remove_lock = 0;
+ lockfile_name = NULL;
return 0;
}
diff --git a/show-files.c b/show-files.c
index b1a8e3d..b53ab10 100644
--- a/show-files.c
+++ b/show-files.c
@@ -6,7 +6,6 @@
* Copyright (C) Linus Torvalds, 2005
*/
#include <dirent.h>
-#include <sys/param.h>
#include "cache.h"
diff --git a/update-cache.c b/update-cache.c
index 8ec69e2..4353b80 100644
--- a/update-cache.c
+++ b/update-cache.c
@@ -274,25 +274,29 @@ static int add_cacheinfo(char *arg1, char *arg2, char *arg3)
return add_cache_entry(ce, allow_add);
}
-static int remove_lock = 0;
+static const char *lockfile_name = NULL;
static void remove_lock_file(void)
{
- if (remove_lock)
- unlink(".git/index.lock");
+ if (lockfile_name)
+ unlink(lockfile_name);
}
int main(int argc, char **argv)
{
int i, newfd, entries;
int allow_options = 1;
+ static char lockfile[MAXPATHLEN+1];
+ const char *indexfile = get_index_file();
- newfd = open(".git/index.lock", O_RDWR | O_CREAT | O_EXCL, 0600);
+ snprintf(lockfile, sizeof(lockfile), "%s.lock", indexfile);
+
+ newfd = open(lockfile, O_RDWR | O_CREAT | O_EXCL, 0600);
if (newfd < 0)
die("unable to create new cachefile");
atexit(remove_lock_file);
- remove_lock = 1;
+ lockfile_name = lockfile;
entries = read_cache();
if (entries < 0)
@@ -333,10 +337,9 @@ int main(int argc, char **argv)
if (add_file_to_cache(path))
die("Unable to add %s to database", path);
}
- if (write_cache(newfd, active_cache, active_nr) ||
- rename(".git/index.lock", ".git/index"))
+ if (write_cache(newfd, active_cache, active_nr) || rename(lockfile, indexfile))
die("Unable to write new cachefile");
- remove_lock = 0;
+ lockfile_name = NULL;
return 0;
}