diff options
| -rw-r--r-- | Documentation/config.txt | 11 | ||||
| -rw-r--r-- | Documentation/git-tar-tree.txt | 15 | ||||
| -rw-r--r-- | builtin-tar-tree.c | 21 |
3 files changed, 43 insertions, 4 deletions
diff --git a/Documentation/config.txt b/Documentation/config.txt index 0b434c1f19..f4985d453e 100644 --- a/Documentation/config.txt +++ b/Documentation/config.txt @@ -208,6 +208,17 @@ showbranch.default:: The default set of branches for gitlink:git-show-branch[1]. See gitlink:git-show-branch[1]. +tar.umask:: + By default, git-link:git-tar-tree[1] sets file and directories modes + to 0666 or 0777. While this is both useful and acceptable for projects + such as the Linux Kernel, it might be excessive for other projects. + With this variable, it becomes possible to tell + git-link:git-tar-tree[1] to apply a specific umask to the modes above. + The special value "user" indicates that the user's current umask will + be used. This should be enough for most projects, as it will lead to + the same permissions as git-link:git-checkout[1] would use. The default + value remains 0, which means world read-write. + user.email:: Your email address to be recorded in any newly created commits. Can be overridden by the 'GIT_AUTHOR_EMAIL' and 'GIT_COMMITTER_EMAIL' diff --git a/Documentation/git-tar-tree.txt b/Documentation/git-tar-tree.txt index f2675c4193..7a99acf2ec 100644 --- a/Documentation/git-tar-tree.txt +++ b/Documentation/git-tar-tree.txt @@ -37,7 +37,20 @@ OPTIONS Instead of making a tar archive from local repository, retrieve a tar archive from a remote repository. -Examples +CONFIGURATION +------------- +By default, file and directories modes are set to 0666 or 0777. It is +possible to change this by setting the "umask" variable in the +repository configuration as follows : + +[tar] + umask = 002 ;# group friendly + +The special umask value "user" indicates that the user's current umask +will be used instead. The default value remains 0, which means world +readable/writable files and directories. + +EXAMPLES -------- git tar-tree HEAD junk | (cd /var/tmp/ && tar xf -):: 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: |