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index bfa88e8c4650bd68d33909ec7797861ff4ff3404..01f48c35766cdcb1541513eef7f48d078cd6f0dc 100644 (file)
--- a/tig.c
+++ b/tig.c
static void foreach_ref(bool (*visitor)(void *data, const struct ref *ref), void *data);
static int load_refs(void);
-enum format_flags {
- FORMAT_ALL, /* Perform replacement in all arguments. */
- FORMAT_NONE /* No replacement should be performed. */
-};
-
-static bool format_argv(const char *dst[], const char *src[], enum format_flags flags);
-
enum input_status {
INPUT_OK,
INPUT_SKIP,
{
int argc;
+ if (!argv)
+ return;
for (argc = 0; argv[argc]; argc++)
free((void *) argv[argc]);
argv[0] = NULL;
}
-static void
-argv_copy(const char *dst[], const char *src[])
+DEFINE_ALLOCATOR(argv_realloc, const char *, SIZEOF_ARG)
+
+static bool
+argv_append(const char ***argv, const char *arg)
+{
+ int argc = 0;
+
+ while (*argv && (*argv)[argc])
+ argc++;
+
+ if (!argv_realloc(argv, argc, 2))
+ return FALSE;
+
+ (*argv)[argc++] = strdup(arg);
+ (*argv)[argc] = NULL;
+ return TRUE;
+}
+
+static bool
+argv_append_array(const char ***dst_argv, const char *src_argv[])
+{
+ int i;
+
+ for (i = 0; src_argv && src_argv[i]; i++)
+ if (!argv_append(dst_argv, src_argv[i]))
+ return FALSE;
+ return TRUE;
+}
+
+static bool
+argv_copy(const char ***dst, const char *src[])
{
int argc;
for (argc = 0; src[argc]; argc++)
- dst[argc] = src[argc];
+ if (!argv_append(dst, src[argc]))
+ return FALSE;
+ return TRUE;
}
};
struct io {
- enum io_type type; /* The requested type of pipe. */
- const char *dir; /* Directory from which to execute. */
- pid_t pid; /* PID of spawned process. */
int pipe; /* Pipe end for reading or writing. */
+ pid_t pid; /* PID of spawned process. */
int error; /* Error status. */
- const char *argv[SIZEOF_ARG]; /* Shell command arguments. */
char *buf; /* Read buffer. */
size_t bufalloc; /* Allocated buffer size. */
size_t bufsize; /* Buffer content size. */
};
static void
-io_reset(struct io *io)
+io_init(struct io *io)
{
+ memset(io, 0, sizeof(*io));
io->pipe = -1;
- io->pid = 0;
- io->buf = io->bufpos = NULL;
- io->bufalloc = io->bufsize = 0;
- io->error = 0;
- io->eof = 0;
-}
-
-static void
-io_init(struct io *io, const char *dir, enum io_type type)
-{
- io_reset(io);
- io->type = type;
- io->dir = dir;
-}
-
-static void
-io_prepare(struct io *io, const char *dir, enum io_type type, const char *argv[])
-{
- io_init(io, dir, type);
- argv_copy(io->argv, argv);
-}
-
-static bool
-io_format(struct io *io, const char *dir, enum io_type type,
- const char *argv[], enum format_flags flags)
-{
- io_init(io, dir, type);
- return format_argv(io->argv, argv, flags);
}
static bool
bool fits;
va_list args;
- io_init(io, NULL, IO_FD);
+ io_init(io);
va_start(args, fmt);
fits = vsnprintf(name, sizeof(name), fmt, args) < sizeof(name);
if (io->pipe != -1)
close(io->pipe);
free(io->buf);
- io_reset(io);
+ io_init(io);
while (pid > 0) {
int status;
}
static bool
-io_start(struct io *io)
+io_run(struct io *io, enum io_type type, const char *dir, const char *argv[], ...)
{
int pipefds[2] = { -1, -1 };
+ va_list args;
- if (io->type == IO_FD)
- return TRUE;
+ io_init(io);
- if ((io->type == IO_RD || io->type == IO_WR) && pipe(pipefds) < 0) {
+ if ((type == IO_RD || type == IO_WR) && pipe(pipefds) < 0) {
io->error = errno;
return FALSE;
- } else if (io->type == IO_AP) {
- pipefds[1] = io->pipe;
+ } else if (type == IO_AP) {
+ va_start(args, argv);
+ pipefds[1] = va_arg(args, int);
+ va_end(args);
}
if ((io->pid = fork())) {
if (io->pid == -1)
io->error = errno;
- if (pipefds[!(io->type == IO_WR)] != -1)
- close(pipefds[!(io->type == IO_WR)]);
+ if (pipefds[!(type == IO_WR)] != -1)
+ close(pipefds[!(type == IO_WR)]);
if (io->pid != -1) {
- io->pipe = pipefds[!!(io->type == IO_WR)];
+ io->pipe = pipefds[!!(type == IO_WR)];
return TRUE;
}
} else {
- if (io->type != IO_FG) {
+ if (type != IO_FG) {
int devnull = open("/dev/null", O_RDWR);
- int readfd = io->type == IO_WR ? pipefds[0] : devnull;
- int writefd = (io->type == IO_RD || io->type == IO_AP)
+ int readfd = type == IO_WR ? pipefds[0] : devnull;
+ int writefd = (type == IO_RD || type == IO_AP)
? pipefds[1] : devnull;
dup2(readfd, STDIN_FILENO);
close(pipefds[1]);
}
- if (io->dir && *io->dir && chdir(io->dir) == -1)
+ if (dir && *dir && chdir(dir) == -1)
exit(errno);
- execvp(io->argv[0], (char *const*) io->argv);
+ execvp(argv[0], (char *const*) argv);
exit(errno);
}
- if (pipefds[!!(io->type == IO_WR)] != -1)
- close(pipefds[!!(io->type == IO_WR)]);
+ if (pipefds[!!(type == IO_WR)] != -1)
+ close(pipefds[!!(type == IO_WR)]);
return FALSE;
}
-static bool
-io_run(struct io *io, const char **argv, const char *dir, enum io_type type)
-{
- io_prepare(io, dir, type, argv);
- return io_start(io);
-}
-
static bool
io_complete(enum io_type type, const char **argv, const char *dir, int fd)
{
- struct io io = {};
+ struct io io;
- io_prepare(&io, dir, type, argv);
- io.pipe = fd;
- return io_start(&io) && io_done(&io);
+ return io_run(&io, type, dir, argv, fd) && io_done(&io);
}
static bool
static bool
io_run_append(const char **argv, int fd)
{
- return io_complete(IO_AP, argv, NULL, -1);
+ return io_complete(IO_AP, argv, NULL, fd);
}
static bool
static bool
io_run_buf(const char **argv, char buf[], size_t bufsize)
{
- struct io io = {};
+ struct io io;
- io_prepare(&io, NULL, IO_RD, argv);
- return io_start(&io) && io_read_buf(&io, buf, bufsize);
+ return io_run(&io, IO_RD, NULL, argv) && io_read_buf(&io, buf, bufsize);
}
static int
char *name;
int state = OK;
- if (!io_start(io))
- return ERR;
-
while (state == OK && (name = io_get(io, '\n', TRUE))) {
char *value;
size_t namelen;
io_run_load(const char **argv, const char *separators,
int (*read_property)(char *, size_t, char *, size_t))
{
- struct io io = {};
+ struct io io;
- io_prepare(&io, NULL, IO_RD, argv);
+ if (!io_run(&io, IO_RD, NULL, argv))
+ return ERR;
return io_load(&io, separators, read_property);
}
static signed char opt_is_inside_work_tree = -1; /* set to TRUE or FALSE */
static char opt_editor[SIZEOF_STR] = "";
static FILE *opt_tty = NULL;
+static const char **opt_diff_args = NULL;
+static const char **opt_rev_args = NULL;
+static const char **opt_file_args = NULL;
#define is_initial_commit() (!get_ref_head())
#define is_head_commit(rev) (!strcmp((rev), "HEAD") || (get_ref_head() && !strcmp(rev, get_ref_head()->id)))
struct run_request {
enum keymap keymap;
int key;
- const char *argv[SIZEOF_ARG];
+ const char **argv;
};
static struct run_request *run_request;
DEFINE_ALLOCATOR(realloc_run_requests, struct run_request, 8)
static enum request
-add_run_request(enum keymap keymap, int key, int argc, const char **argv)
+add_run_request(enum keymap keymap, int key, const char **argv)
{
struct run_request *req;
- if (argc >= ARRAY_SIZE(req->argv) - 1)
- return REQ_NONE;
-
if (!realloc_run_requests(&run_request, run_requests, 1))
return REQ_NONE;
req = &run_request[run_requests];
req->keymap = keymap;
req->key = key;
- req->argv[0] = NULL;
+ req->argv = NULL;
- if (!format_argv(req->argv, argv, FORMAT_NONE))
+ if (!argv_copy(&req->argv, argv))
return REQ_NONE;
return REQ_NONE + ++run_requests;
const char *checkout[] = { "git", "checkout", "%(branch)", NULL };
const char *commit[] = { "git", "commit", NULL };
const char *gc[] = { "git", "gc", NULL };
- struct {
- enum keymap keymap;
- int key;
- int argc;
- const char **argv;
- } reqs[] = {
- { KEYMAP_MAIN, 'C', ARRAY_SIZE(cherry_pick) - 1, cherry_pick },
- { KEYMAP_STATUS, 'C', ARRAY_SIZE(commit) - 1, commit },
- { KEYMAP_BRANCH, 'C', ARRAY_SIZE(checkout) - 1, checkout },
- { KEYMAP_GENERIC, 'G', ARRAY_SIZE(gc) - 1, gc },
+ struct run_request reqs[] = {
+ { KEYMAP_MAIN, 'C', cherry_pick },
+ { KEYMAP_STATUS, 'C', commit },
+ { KEYMAP_BRANCH, 'C', checkout },
+ { KEYMAP_GENERIC, 'G', gc },
};
int i;
if (req != reqs[i].key)
continue;
- req = add_run_request(reqs[i].keymap, reqs[i].key, reqs[i].argc, reqs[i].argv);
+ req = add_run_request(reqs[i].keymap, reqs[i].key, reqs[i].argv);
if (req != REQ_NONE)
add_keybinding(reqs[i].keymap, req, reqs[i].key);
}
}
}
if (request == REQ_UNKNOWN && *argv[2]++ == '!')
- request = add_run_request(keymap, key, argc - 2, argv + 2);
+ request = add_run_request(keymap, key, argv + 2);
if (request == REQ_UNKNOWN) {
config_msg = "Unknown request name";
return ERR;
static void
load_option_file(const char *path)
{
- struct io io = {};
+ struct io io;
/* It's OK that the file doesn't exist. */
if (!io_open(&io, "%s", path))
bool has_scrolled; /* View was scrolled. */
/* Loading */
+ const char **argv; /* Shell command arguments. */
+ const char *dir; /* Directory from which to execute. */
struct io io;
struct io *pipe;
time_t start_time;
}
static bool
-format_argv(const char *dst_argv[], const char *src_argv[], enum format_flags flags)
+format_argv(const char ***dst_argv, const char *src_argv[], bool replace)
{
char buf[SIZEOF_STR];
int argc;
- bool noreplace = flags == FORMAT_NONE;
- argv_free(dst_argv);
+ argv_free(*dst_argv);
for (argc = 0; src_argv[argc]; argc++) {
const char *arg = src_argv[argc];
size_t bufpos = 0;
+ if (!strcmp(arg, "%(file-args)")) {
+ if (!argv_append_array(dst_argv, opt_file_args))
+ break;
+ continue;
+
+ } else if (!strcmp(arg, "%(diff-args)")) {
+ if (!argv_append_array(dst_argv, opt_diff_args))
+ break;
+ continue;
+
+ } else if (!strcmp(arg, "%(rev-args)")) {
+ if (!argv_append_array(dst_argv, opt_rev_args))
+ break;
+ continue;
+ }
+
while (arg) {
char *next = strstr(arg, "%(");
int len = next - arg;
const char *value;
- if (!next || noreplace) {
+ if (!next || !replace) {
len = strlen(arg);
value = "";
@@ -3217,16 +3215,13 @@ format_argv(const char *dst_argv[], const char *src_argv[], enum format_flags fl
if (!string_format_from(buf, &bufpos, "%.*s%s", len, arg, value))
return FALSE;
- arg = next && !noreplace ? strchr(next, ')') + 1 : NULL;
+ arg = next && replace ? strchr(next, ')') + 1 : NULL;
}
- dst_argv[argc] = strdup(buf);
- if (!dst_argv[argc])
+ if (!argv_append(dst_argv, buf))
break;
}
- dst_argv[argc] = NULL;
-
return src_argv[argc] == NULL;
}
view->start_time = time(NULL);
}
+static bool
+prepare_io(struct view *view, const char *dir, const char *argv[], bool replace)
+{
+ view->dir = dir;
+ return format_argv(&view->argv, argv, replace);
+}
+
static bool
prepare_update(struct view *view, const char *argv[], const char *dir)
{
if (view->pipe)
end_update(view, TRUE);
- return io_format(&view->io, dir, IO_RD, argv, FORMAT_NONE);
+ return prepare_io(view, dir, argv, FALSE);
}
static bool
{
if (view->pipe)
io_done(view->pipe);
- return io_format(&view->io, dir, IO_RD, argv, FORMAT_NONE) &&
- io_start(&view->io);
+ return prepare_io(view, dir, argv, FALSE) &&
+ io_run(&view->io, IO_RD, dir, view->argv);
}
static bool
{
if (view->pipe)
end_update(view, TRUE);
+ argv_free(view->argv);
return io_open(&view->io, "%s/%s", opt_cdup[0] ? opt_cdup : ".", name);
}
if (view->ops->prepare) {
if (!view->ops->prepare(view))
return FALSE;
- } else if (!io_format(&view->io, NULL, IO_RD, view->ops->argv, FORMAT_ALL)) {
+ } else if (!prepare_io(view, NULL, view->ops->argv, TRUE)) {
return FALSE;
}
string_copy_rev(view->ref, view->id);
}
- if (!io_start(&view->io))
+ if (view->argv && view->argv[0] &&
+ !io_run(&view->io, IO_RD, view->dir, view->argv))
return FALSE;
setup_update(view, view->id);
open_run_request(enum request request)
{
struct run_request *req = get_run_request(request);
- const char *argv[ARRAY_SIZE(req->argv)] = { NULL };
+ const char **argv = NULL;
if (!req) {
report("Unknown run request");
return;
}
- if (format_argv(argv, req->argv, FORMAT_ALL))
+ if (format_argv(&argv, req->argv, TRUE))
open_external_viewer(argv, NULL);
- argv_free(argv);
+ if (argv)
+ argv_free(argv);
+ free(argv);
}
/*
static const char *diff_argv[SIZEOF_ARG] = {
"git", "show", "--pretty=fuller", "--no-color", "--root",
- "--patch-with-stat", "--find-copies-harder", "-C", "%(commit)", NULL
+ "--patch-with-stat", "--find-copies-harder", "-C",
+ "%(diff-args)", "%(commit)", "--", "%(file-args)", NULL
};
static struct view_ops diff_ops = {
opt_path[0] = 0;
}
- return io_format(&view->io, opt_cdup, IO_RD, view->ops->argv, FORMAT_ALL);
+ return prepare_io(view, opt_cdup, view->ops->argv, TRUE);
}
static const char *tree_argv[SIZEOF_ARG] = {
"git", "diff-tree", "-U0", blame->commit->id,
"--", blame->commit->filename, NULL
};
- struct io io = {};
+ struct io io;
int parent_lineno = -1;
int blamed_lineno = -1;
char *line;
- if (!io_run(&io, diff_tree_argv, NULL, IO_RD))
+ if (!io_run(&io, IO_RD, NULL, diff_tree_argv))
return;
while ((line = io_get(&io, '\n', TRUE))) {
return REQ_NONE;
case REQ_ENTER:
- if (branch->ref == &branch_all) {
- const char *all_branches_argv[] = {
- "git", "log", "--no-color", "--pretty=raw", "--parents",
- "--topo-order", "--all", NULL
- };
- struct view *main_view = VIEW(REQ_VIEW_MAIN);
+ {
+ const struct ref *ref = branch->ref;
+ const char *all_branches_argv[] = {
+ "git", "log", "--no-color", "--pretty=raw", "--parents",
+ "--topo-order",
+ ref == &branch_all ? "--all" : ref->name, NULL
+ };
+ struct view *main_view = VIEW(REQ_VIEW_MAIN);
- if (!prepare_update(main_view, all_branches_argv, NULL)) {
- report("Failed to load view of all branches");
- return REQ_NONE;
- }
+ if (!prepare_update(main_view, all_branches_argv, NULL))
+ report("Failed to load view of all branches");
+ else
open_view(view, REQ_VIEW_MAIN, OPEN_PREPARED | OPEN_SPLIT);
- } else {
- open_view(view, REQ_VIEW_MAIN, OPEN_SPLIT);
- }
return REQ_NONE;
-
+ }
default:
return request;
}
@@ -5566,9 +5571,9 @@ status_run(struct view *view, const char *argv[], char status, enum line_type ty
{
struct status *unmerged = NULL;
char *buf;
- struct io io = {};
+ struct io io;
- if (!io_run(&io, argv, opt_cdup, IO_RD))
+ if (!io_run(&io, IO_RD, opt_cdup, argv))
return FALSE;
add_line_data(view, NULL, type);
continue;
if (!*opt_head) {
- struct io io = {};
+ struct io io;
if (io_open(&io, "%s/rebase-merge/head-name", opt_git_dir) &&
io_read_buf(&io, buf, sizeof(buf))) {
switch (type) {
case LINE_STAT_STAGED:
- return io_run(io, staged_argv, opt_cdup, IO_WR);
+ return io_run(io, IO_WR, opt_cdup, staged_argv);
case LINE_STAT_UNSTAGED:
case LINE_STAT_UNTRACKED:
- return io_run(io, others_argv, opt_cdup, IO_WR);
+ return io_run(io, IO_WR, opt_cdup, others_argv);
default:
die("line type %d not handled in switch", type);
@@ -6006,7 +6011,7 @@ status_update_write(struct io *io, struct status *status, enum line_type type)
static bool
status_update_file(struct status *status, enum line_type type)
{
- struct io io = {};
+ struct io io;
bool result;
if (!status_update_prepare(&io, type))
status_update_files(struct view *view, struct line *line)
{
char buf[sizeof(view->ref)];
- struct io io = {};
+ struct io io;
bool result = TRUE;
struct line *pos = view->line + view->lines;
int files = 0;
"git", "apply", "--whitespace=nowarn", NULL
};
struct line *diff_hdr;
- struct io io = {};
+ struct io io;
int argc = 3;
diff_hdr = stage_diff_find(view, chunk, LINE_DIFF_HEADER);
apply_argv[argc++] = "-R";
apply_argv[argc++] = "-";
apply_argv[argc++] = NULL;
- if (!io_run(&io, apply_argv, opt_cdup, IO_WR))
+ if (!io_run(&io, IO_WR, opt_cdup, apply_argv))
return FALSE;
if (!stage_diff_write(&io, diff_hdr, chunk) ||
static const char *main_argv[SIZEOF_ARG] = {
"git", "log", "--no-color", "--pretty=raw", "--parents",
- "--topo-order", "%(head)", NULL
+ "--topo-order", "%(diff-args)", "%(rev-args)",
+ "--", "%(file-args)", NULL
};
static bool
va_end(args);
}
+static const char ***filter_args;
+
+static int
+read_filter_args(char *name, size_t namelen, char *value, size_t valuelen)
+{
+ return argv_append(filter_args, name) ? OK : ERR;
+}
+
+static void
+filter_rev_parse(const char ***args, const char *arg1, const char *arg2, const char *argv[])
+{
+ const char *rev_parse_argv[SIZEOF_ARG] = { "git", "rev-parse", arg1, arg2 };
+ const char **all_argv = NULL;
+
+ filter_args = args;
+ if (!argv_append_array(&all_argv, rev_parse_argv) ||
+ !argv_append_array(&all_argv, argv) ||
+ !io_run_load(all_argv, "\n", read_filter_args) == ERR)
+ die("Failed to split arguments");
+ argv_free(all_argv);
+ free(all_argv);
+}
+
+static void
+filter_options(const char *argv[])
+{
+ filter_rev_parse(&opt_file_args, "--no-revs", "--no-flags", argv);
+ filter_rev_parse(&opt_diff_args, "--no-revs", "--flags", argv);
+ filter_rev_parse(&opt_rev_args, "--symbolic", "--revs-only", argv);
+}
+
static enum request
parse_options(int argc, const char *argv[])
{
enum request request = REQ_VIEW_MAIN;
const char *subcommand;
bool seen_dashdash = FALSE;
- /* XXX: This is vulnerable to the user overriding options
- * required for the main view parser. */
- const char *custom_argv[SIZEOF_ARG] = {
- "git", "log", "--no-color", "--pretty=raw", "--parents",
- "--topo-order", NULL
- };
- int i, j = 6;
+ const char **filter_argv = NULL;
+ int i;
if (!isatty(STDIN_FILENO)) {
io_open(&VIEW(REQ_VIEW_PAGER)->io, "");
}
if (argc <= 1)
- return REQ_NONE;
+ return REQ_VIEW_MAIN;
subcommand = argv[1];
if (!strcmp(subcommand, "status")) {
subcommand = NULL;
}
- if (subcommand) {
- custom_argv[1] = subcommand;
- j = 2;
- }
-
for (i = 1 + !!subcommand; i < argc; i++) {
const char *opt = argv[i];
- if (seen_dashdash || !strcmp(opt, "--")) {
+ if (seen_dashdash) {
+ argv_append(&opt_file_args, opt);
+ continue;
+
+ } else if (!strcmp(opt, "--")) {
seen_dashdash = TRUE;
+ continue;
} else if (!strcmp(opt, "-v") || !strcmp(opt, "--version")) {
printf("tig version %s\n", TIG_VERSION);
} else if (!strcmp(opt, "-h") || !strcmp(opt, "--help")) {
printf("%s\n", usage);
quit(0);
+
+ } else if (!strcmp(opt, "--all")) {
+ argv_append(&opt_rev_args, opt);
+ continue;
}
- custom_argv[j++] = opt;
- if (j >= ARRAY_SIZE(custom_argv))
+ if (!argv_append(&filter_argv, opt))
die("command too long");
}
- if (!prepare_update(VIEW(request), custom_argv, NULL))
- die("Failed to format arguments");
+ if (filter_argv)
+ filter_options(filter_argv);
return request;
}
if (load_refs() == ERR)
die("Failed to load refs.");
- foreach_view (view, i)
+ foreach_view (view, i) {
+ if (getenv(view->cmd_env))
+ warn("Use of the %s environment variable is deprecated,"
+ " use options or TIG_DIFF_ARGS instead",
+ view->cmd_env);
if (!argv_from_env(view->ops->argv, view->cmd_env))
die("Too many arguments in the `%s` environment variable",
view->cmd_env);
+ }
init_display();
- if (request != REQ_NONE)
- open_view(NULL, request, OPEN_PREPARED);
- request = request == REQ_NONE ? REQ_VIEW_MAIN : REQ_NONE;
-
while (view_driver(display[current_view], request)) {
int key = get_input(0);