extern char *get_graft_file(void);
extern int set_git_dir(const char *path);
extern const char *get_git_work_tree(void);
+ extern const char *read_gitfile_gently(const char *path);
#define ALTERNATE_DB_ENVIRONMENT "GIT_ALTERNATE_OBJECT_DIRECTORIES"
int git_mkstemp(char *path, size_t n, const char *template);
+/*
+ * NOTE NOTE NOTE!!
+ *
+ * PERM_UMASK, OLD_PERM_GROUP and OLD_PERM_EVERYBODY enumerations must
+ * not be changed. Old repositories have core.sharedrepository written in
+ * numeric format, and therefore these values are preserved for compatibility
+ * reasons.
+ */
enum sharedrepo {
- PERM_UMASK = 0,
- PERM_GROUP,
- PERM_EVERYBODY
+ PERM_UMASK = 0,
+ OLD_PERM_GROUP = 1,
+ OLD_PERM_EVERYBODY = 2,
+ PERM_GROUP = 0660,
+ PERM_EVERYBODY = 0664,
};
int git_config_perm(const char *var, const char *value);
int adjust_shared_perm(const char *path);
extern int git_parse_ulong(const char *, unsigned long *);
extern int git_config_int(const char *, const char *);
extern unsigned long git_config_ulong(const char *, const char *);
+extern int git_config_bool_or_int(const char *, const char *, int *);
extern int git_config_bool(const char *, const char *);
extern int git_config_string(const char **, const char *, const char *);
extern int git_config_set(const char *, const char *);
extern void maybe_flush_or_die(FILE *, const char *);
extern int copy_fd(int ifd, int ofd);
extern int copy_file(const char *dst, const char *src, int mode);
-extern int read_in_full(int fd, void *buf, size_t count);
-extern int write_in_full(int fd, const void *buf, size_t count);
+extern ssize_t read_in_full(int fd, void *buf, size_t count);
+extern ssize_t write_in_full(int fd, const void *buf, size_t count);
extern void write_or_die(int fd, const void *buf, size_t count);
extern int write_or_whine(int fd, const void *buf, size_t count, const char *msg);
extern int write_or_whine_pipe(int fd, const void *buf, size_t count, const char *msg);
continue
fi
- if ! test -d "$path"/.git
+ if ! test -d "$path"/.git -o -f "$path"/.git
then
module_clone "$path" "$url" || exit
subsha1=
cd "$1" && {
git describe "$2" 2>/dev/null ||
git describe --tags "$2" 2>/dev/null ||
- git describe --contains --tags "$2"
+ git describe --contains "$2" 2>/dev/null ||
+ git describe --all --always "$2"
}
) )
test -z "$revname" || revname=" ($revname)"
#
cmd_summary() {
summary_limit=-1
+ for_status=
# parse $args after "submodule ... summary".
while test $# -ne 0
--cached)
cached="$1"
;;
+ --for-status)
+ for_status="$1"
+ ;;
-n|--summary-limit)
if summary_limit=$(($2 + 0)) 2>/dev/null && test "$summary_limit" = "$2"
then
done
)
- test -n "$modules" &&
+ test -z "$modules" && return
+
git diff-index $cached --raw $head -- $modules |
grep -e '^:160000' -e '^:[0-7]* 160000' |
cut -c2- |
echo
fi
echo
- done
+ done |
+ if test -n "$for_status"; then
+ echo "# Modified submodules:"
+ echo "#"
+ sed -e 's|^|# |' -e 's|^# $|#|'
+ else
+ cat
+ fi
}
#
# List all submodules, prefixed with:
do
name=$(module_name "$path") || exit
url=$(git config submodule."$name".url)
- if test -z "$url" || ! test -d "$path"/.git
+ if test -z "$url" || ! test -d "$path"/.git -o -f "$path"/.git
then
say "-$sha1 $path"
continue;
{
int len = strlen(path), retval;
char *gitdir;
+ const char *tmp;
while (len && path[len-1] == '/')
len--;
return -1;
gitdir = xmalloc(len + MAXREFLEN + 8);
memcpy(gitdir, path, len);
- memcpy(gitdir + len, "/.git/", 7);
-
- retval = resolve_gitlink_ref_recursive(gitdir, len+6, refname, result, 0);
+ memcpy(gitdir + len, "/.git", 6);
+ len += 5;
+
+ tmp = read_gitfile_gently(gitdir);
+ if (tmp) {
+ free(gitdir);
+ len = strlen(tmp);
+ gitdir = xmalloc(len + MAXREFLEN + 3);
+ memcpy(gitdir, tmp, len);
+ }
+ gitdir[len] = '/';
+ gitdir[++len] = '\0';
+ retval = resolve_gitlink_ref_recursive(gitdir, len, refname, result, 0);
free(gitdir);
return retval;
}
const char *resolve_ref(const char *ref, unsigned char *sha1, int reading, int *flag)
{
- int depth = MAXDEPTH, len;
+ int depth = MAXDEPTH;
+ ssize_t len;
char buffer[256];
static char ref_buffer[256];
return 0;
}
+ /*
+ * Try to read the location of the git directory from the .git file,
+ * return path to git directory if found.
+ */
+ const char *read_gitfile_gently(const char *path)
+ {
+ char *buf;
+ struct stat st;
+ int fd;
+ size_t len;
+
+ if (stat(path, &st))
+ return NULL;
+ if (!S_ISREG(st.st_mode))
+ return NULL;
+ fd = open(path, O_RDONLY);
+ if (fd < 0)
+ die("Error opening %s: %s", path, strerror(errno));
+ buf = xmalloc(st.st_size + 1);
+ len = read_in_full(fd, buf, st.st_size);
+ close(fd);
+ if (len != st.st_size)
+ die("Error reading %s", path);
+ buf[len] = '\0';
+ if (prefixcmp(buf, "gitdir: "))
+ die("Invalid gitfile format: %s", path);
+ while (buf[len - 1] == '\n' || buf[len - 1] == '\r')
+ len--;
+ if (len < 9)
+ die("No path in gitfile: %s", path);
+ buf[len] = '\0';
+ if (!is_git_directory(buf + 8))
+ die("Not a git repository: %s", buf + 8);
+ path = make_absolute_path(buf + 8);
+ free(buf);
+ return path;
+ }
+
/*
* We cannot decide in this function whether we are in the work tree or
* not, since the config can only be read _after_ this function was called.
const char *work_tree_env = getenv(GIT_WORK_TREE_ENVIRONMENT);
static char cwd[PATH_MAX+1];
const char *gitdirenv;
+ const char *gitfile_dir;
int len, offset;
/*
/*
* Test in the following order (relative to the cwd):
+ * - .git (file containing "gitdir: <path>")
* - .git/
* - ./ (bare)
+ * - ../.git
* - ../.git/
* - ../ (bare)
* - ../../.git/
*/
offset = len = strlen(cwd);
for (;;) {
+ gitfile_dir = read_gitfile_gently(DEFAULT_GIT_DIR_ENVIRONMENT);
+ if (gitfile_dir) {
+ if (set_git_dir(gitfile_dir))
+ die("Repository setup failed");
+ break;
+ }
if (is_git_directory(DEFAULT_GIT_DIR_ENVIRONMENT))
break;
if (is_git_directory(".")) {
int git_config_perm(const char *var, const char *value)
{
- if (value) {
- int i;
- if (!strcmp(value, "umask"))
- return PERM_UMASK;
- if (!strcmp(value, "group"))
- return PERM_GROUP;
- if (!strcmp(value, "all") ||
- !strcmp(value, "world") ||
- !strcmp(value, "everybody"))
- return PERM_EVERYBODY;
- i = atoi(value);
- if (i > 1)
- return i;
+ int i;
+ char *endptr;
+
+ if (value == NULL)
+ return PERM_GROUP;
+
+ if (!strcmp(value, "umask"))
+ return PERM_UMASK;
+ if (!strcmp(value, "group"))
+ return PERM_GROUP;
+ if (!strcmp(value, "all") ||
+ !strcmp(value, "world") ||
+ !strcmp(value, "everybody"))
+ return PERM_EVERYBODY;
+
+ /* Parse octal numbers */
+ i = strtol(value, &endptr, 8);
+
+ /* If not an octal number, maybe true/false? */
+ if (*endptr != 0)
+ return git_config_bool(var, value) ? PERM_GROUP : PERM_UMASK;
+
+ /*
+ * Treat values 0, 1 and 2 as compatibility cases, otherwise it is
+ * a chmod value.
+ */
+ switch (i) {
+ case PERM_UMASK: /* 0 */
+ return PERM_UMASK;
+ case OLD_PERM_GROUP: /* 1 */
+ return PERM_GROUP;
+ case OLD_PERM_EVERYBODY: /* 2 */
+ return PERM_EVERYBODY;
}
- return git_config_bool(var, value);
+
+ /* A filemode value was given: 0xxx */
+
+ if ((i & 0600) != 0600)
+ die("Problem with core.sharedRepository filemode value "
+ "(0%.3o).\nThe owner of files must always have "
+ "read and write permissions.", i);
+
+ /*
+ * Mask filemode value. Others can not get write permission.
+ * x flags for directories are handled separately.
+ */
+ return i & 0666;
}
int check_repository_format_version(const char *var, const char *value)