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Diffstat (limited to 'builtin-tar-tree.c')
-rw-r--r--builtin-tar-tree.c21
1 files changed, 18 insertions, 3 deletions
diff --git a/builtin-tar-tree.c b/builtin-tar-tree.c
index f2e48aae2a..e5aaded820 100644
--- a/builtin-tar-tree.c
+++ b/builtin-tar-tree.c
@@ -20,6 +20,7 @@ static char block[BLOCKSIZE];
static unsigned long offset;
static time_t archive_time;
+static int tar_umask;
/* tries hard to write, either succeeds or dies in the attempt */
static void reliable_write(const void *data, unsigned long size)
@@ -188,13 +189,13 @@ static void write_entry(const unsigned char *sha1, struct strbuf *path,
} else {
if (S_ISDIR(mode)) {
*header.typeflag = TYPEFLAG_DIR;
- mode |= 0777;
+ mode = (mode | 0777) & ~tar_umask;
} else if (S_ISLNK(mode)) {
*header.typeflag = TYPEFLAG_LNK;
mode |= 0777;
} else if (S_ISREG(mode)) {
*header.typeflag = TYPEFLAG_REG;
- mode |= (mode & 0100) ? 0777 : 0666;
+ mode = (mode | ((mode & 0100) ? 0777 : 0666)) & ~tar_umask;
} else {
error("unsupported file mode: 0%o (SHA1: %s)",
mode, sha1_to_hex(sha1));
@@ -293,6 +294,20 @@ static void traverse_tree(struct tree_desc *tree, struct strbuf *path)
}
}
+int git_tar_config(const char *var, const char *value)
+{
+ if (!strcmp(var, "tar.umask")) {
+ if (!strcmp(value, "user")) {
+ tar_umask = umask(0);
+ umask(tar_umask);
+ } else {
+ tar_umask = git_config_int(var, value);
+ }
+ return 0;
+ }
+ return git_default_config(var, value);
+}
+
static int generate_tar(int argc, const char **argv, char** envp)
{
unsigned char sha1[20], tree_sha1[20];
@@ -305,7 +320,7 @@ static int generate_tar(int argc, const char **argv, char** envp)
current_path.len = current_path.eof = 0;
setup_git_directory();
- git_config(git_default_config);
+ git_config(git_tar_config);
switch (argc) {
case 3: