# Define USE_NED_ALLOCATOR if you want to replace the platforms default
# memory allocators with the nedmalloc allocator written by Niall Douglas.
#
+# Define OVERRIDE_STRDUP to override the libc version of strdup(3).
+# This is necessary when using a custom allocator in order to avoid
+# crashes due to allocation and free working on different 'heaps'.
+# It's defined automatically if USE_NED_ALLOCATOR is set.
+#
# Define NO_REGEX if you have no or inferior regex support in your C library.
#
# Define HAVE_DEV_TTY if your system can open /dev/tty to interact with the
# Define HAVE_BSD_SYSCTL if your platform has a BSD-compatible sysctl function.
#
# Define HAVE_GETDELIM if your system has the getdelim() function.
+#
+# Define PAGER_ENV to a SP separated VAR=VAL pairs to define
+# default environment variables to be passed when a pager is spawned, e.g.
+#
+# PAGER_ENV = LESS=FRX LV=-c
+#
+# to say "export LESS=FRX (and LV=-c) if the environment variable
+# LESS (and LV) is not set, respectively".
GIT-VERSION-FILE: FORCE
@$(SHELL_PATH) ./GIT-VERSION-GEN
LIB_OBJS += advice.o
LIB_OBJS += alias.o
LIB_OBJS += alloc.o
+ LIB_OBJS += apply.o
LIB_OBJS += archive.o
LIB_OBJS += archive-tar.o
LIB_OBJS += archive-zip.o
LIB_OBJS += merge-blobs.o
LIB_OBJS += merge-recursive.o
LIB_OBJS += mergesort.o
+LIB_OBJS += mru.o
LIB_OBJS += name-hash.o
LIB_OBJS += notes.o
LIB_OBJS += notes-cache.o
endif
ifdef USE_NED_ALLOCATOR
- COMPAT_CFLAGS += -Icompat/nedmalloc
- COMPAT_OBJS += compat/nedmalloc/nedmalloc.o
+ COMPAT_CFLAGS += -Icompat/nedmalloc
+ COMPAT_OBJS += compat/nedmalloc/nedmalloc.o
+ OVERRIDE_STRDUP = YesPlease
+endif
+
+ifdef OVERRIDE_STRDUP
+ COMPAT_CFLAGS += -DOVERRIDE_STRDUP
+ COMPAT_OBJS += compat/strdup.o
endif
ifdef GIT_TEST_CMP_USE_COPIED_CONTEXT
NO_PYTHON = NoThanks
endif
+ifndef PAGER_ENV
+PAGER_ENV = LESS=FRX LV=-c
+endif
+
QUIET_SUBDIR0 = +$(MAKE) -C # space to separate -C and subdir
QUIET_SUBDIR1 =
BASIC_CFLAGS += -DDEFAULT_HELP_FORMAT='"$(DEFAULT_HELP_FORMAT)"'
endif
+PAGER_ENV_SQ = $(subst ','\'',$(PAGER_ENV))
+PAGER_ENV_CQ = "$(subst ",\",$(subst \,\\,$(PAGER_ENV)))"
+PAGER_ENV_CQ_SQ = $(subst ','\'',$(PAGER_ENV_CQ))
+BASIC_CFLAGS += -DPAGER_ENV='$(PAGER_ENV_CQ_SQ)'
+
ALL_CFLAGS += $(BASIC_CFLAGS)
ALL_LDFLAGS += $(BASIC_LDFLAGS)
SCRIPT_DEFINES = $(SHELL_PATH_SQ):$(DIFF_SQ):$(GIT_VERSION):\
$(localedir_SQ):$(NO_CURL):$(USE_GETTEXT_SCHEME):$(SANE_TOOL_PATH_SQ):\
- $(gitwebdir_SQ):$(PERL_PATH_SQ):$(SANE_TEXT_GREP)
+ $(gitwebdir_SQ):$(PERL_PATH_SQ):$(SANE_TEXT_GREP):$(PAGER_ENV)
define cmd_munge_script
$(RM) $@ $@+ && \
sed -e '1s|#!.*/sh|#!$(SHELL_PATH_SQ)|' \
-e 's|@@GITWEBDIR@@|$(gitwebdir_SQ)|g' \
-e 's|@@PERL@@|$(PERL_PATH_SQ)|g' \
-e 's|@@SANE_TEXT_GREP@@|$(SANE_TEXT_GREP)|g' \
+ -e 's|@@PAGER_ENV@@|$(PAGER_ENV_SQ)|g' \
$@.sh >$@+
endef
ifdef USE_NED_ALLOCATOR
compat/nedmalloc/nedmalloc.sp compat/nedmalloc/nedmalloc.o: EXTRA_CPPFLAGS = \
- -DNDEBUG -DOVERRIDE_STRDUP -DREPLACE_SYSTEM_ALLOCATOR
+ -DNDEBUG -DREPLACE_SYSTEM_ALLOCATOR
compat/nedmalloc/nedmalloc.sp: SPARSE_FLAGS += -Wno-non-pointer-null
endif
@echo NO_PERL=\''$(subst ','\'',$(subst ','\'',$(NO_PERL)))'\' >>$@+
@echo NO_PYTHON=\''$(subst ','\'',$(subst ','\'',$(NO_PYTHON)))'\' >>$@+
@echo NO_UNIX_SOCKETS=\''$(subst ','\'',$(subst ','\'',$(NO_UNIX_SOCKETS)))'\' >>$@+
+ @echo PAGER_ENV=\''$(subst ','\'',$(subst ','\'',$(PAGER_ENV)))'\' >>$@+
ifdef TEST_OUTPUT_DIRECTORY
@echo TEST_OUTPUT_DIRECTORY=\''$(subst ','\'',$(subst ','\'',$(TEST_OUTPUT_DIRECTORY)))'\' >>$@+
endif
#include "rerere.h"
#include "prompt.h"
#include "mailinfo.h"
+ #include "apply.h"
+#include "string-list.h"
/**
* Returns 1 if the file is empty or does not exist, 0 otherwise.
}
/**
- * Reads a KEY=VALUE shell variable assignment from `fp`, returning the VALUE
- * as a newly-allocated string. VALUE must be a quoted string, and the KEY must
- * match `key`. Returns NULL on failure.
- *
- * This is used by read_author_script() to read the GIT_AUTHOR_* variables from
- * the author-script.
+ * Take a series of KEY='VALUE' lines where VALUE part is
+ * sq-quoted, and append <KEY, VALUE> at the end of the string list
*/
-static char *read_shell_var(FILE *fp, const char *key)
+static int parse_key_value_squoted(char *buf, struct string_list *list)
{
- struct strbuf sb = STRBUF_INIT;
- const char *str;
-
- if (strbuf_getline_lf(&sb, fp))
- goto fail;
-
- if (!skip_prefix(sb.buf, key, &str))
- goto fail;
-
- if (!skip_prefix(str, "=", &str))
- goto fail;
-
- strbuf_remove(&sb, 0, str - sb.buf);
-
- str = sq_dequote(sb.buf);
- if (!str)
- goto fail;
-
- return strbuf_detach(&sb, NULL);
-
-fail:
- strbuf_release(&sb);
- return NULL;
+ while (*buf) {
+ struct string_list_item *item;
+ char *np;
+ char *cp = strchr(buf, '=');
+ if (!cp)
+ return -1;
+ np = strchrnul(cp, '\n');
+ *cp++ = '\0';
+ item = string_list_append(list, buf);
+
+ buf = np + (*np == '\n');
+ *np = '\0';
+ cp = sq_dequote(cp);
+ if (!cp)
+ return -1;
+ item->util = xstrdup(cp);
+ }
+ return 0;
}
/**
static int read_author_script(struct am_state *state)
{
const char *filename = am_path(state, "author-script");
- FILE *fp;
+ struct strbuf buf = STRBUF_INIT;
+ struct string_list kv = STRING_LIST_INIT_DUP;
+ int retval = -1; /* assume failure */
+ int fd;
assert(!state->author_name);
assert(!state->author_email);
assert(!state->author_date);
- fp = fopen(filename, "r");
- if (!fp) {
+ fd = open(filename, O_RDONLY);
+ if (fd < 0) {
if (errno == ENOENT)
return 0;
die_errno(_("could not open '%s' for reading"), filename);
}
+ strbuf_read(&buf, fd, 0);
+ close(fd);
+ if (parse_key_value_squoted(buf.buf, &kv))
+ goto finish;
- state->author_name = read_shell_var(fp, "GIT_AUTHOR_NAME");
- if (!state->author_name) {
- fclose(fp);
- return -1;
- }
-
- state->author_email = read_shell_var(fp, "GIT_AUTHOR_EMAIL");
- if (!state->author_email) {
- fclose(fp);
- return -1;
- }
-
- state->author_date = read_shell_var(fp, "GIT_AUTHOR_DATE");
- if (!state->author_date) {
- fclose(fp);
- return -1;
- }
-
- if (fgetc(fp) != EOF) {
- fclose(fp);
- return -1;
- }
-
- fclose(fp);
- return 0;
+ if (kv.nr != 3 ||
+ strcmp(kv.items[0].string, "GIT_AUTHOR_NAME") ||
+ strcmp(kv.items[1].string, "GIT_AUTHOR_EMAIL") ||
+ strcmp(kv.items[2].string, "GIT_AUTHOR_DATE"))
+ goto finish;
+ state->author_name = kv.items[0].util;
+ state->author_email = kv.items[1].util;
+ state->author_date = kv.items[2].util;
+ retval = 0;
+finish:
+ string_list_clear(&kv, !!retval);
+ strbuf_release(&buf);
+ return retval;
}
/**
*/
static int run_apply(const struct am_state *state, const char *index_file)
{
- struct child_process cp = CHILD_PROCESS_INIT;
-
- cp.git_cmd = 1;
-
- if (index_file)
- argv_array_pushf(&cp.env_array, "GIT_INDEX_FILE=%s", index_file);
+ struct argv_array apply_paths = ARGV_ARRAY_INIT;
+ struct argv_array apply_opts = ARGV_ARRAY_INIT;
+ struct apply_state apply_state;
+ int res, opts_left;
+ static struct lock_file lock_file;
+ int force_apply = 0;
+ int options = 0;
+
+ if (init_apply_state(&apply_state, NULL, &lock_file))
+ die("BUG: init_apply_state() failed");
+
+ argv_array_push(&apply_opts, "apply");
+ argv_array_pushv(&apply_opts, state->git_apply_opts.argv);
+
+ opts_left = apply_parse_options(apply_opts.argc, apply_opts.argv,
+ &apply_state, &force_apply, &options,
+ NULL);
+
+ if (opts_left != 0)
+ die("unknown option passed through to git apply");
+
+ if (index_file) {
+ apply_state.index_file = index_file;
+ apply_state.cached = 1;
+ } else
+ apply_state.check_index = 1;
/*
* If we are allowed to fall back on 3-way merge, don't give false
* errors during the initial attempt.
*/
- if (state->threeway && !index_file) {
- cp.no_stdout = 1;
- cp.no_stderr = 1;
- }
+ if (state->threeway && !index_file)
+ apply_state.apply_verbosity = verbosity_silent;
- argv_array_push(&cp.args, "apply");
+ if (check_apply_state(&apply_state, force_apply))
+ die("BUG: check_apply_state() failed");
- argv_array_pushv(&cp.args, state->git_apply_opts.argv);
+ argv_array_push(&apply_paths, am_path(state, "patch"));
- if (index_file)
- argv_array_push(&cp.args, "--cached");
- else
- argv_array_push(&cp.args, "--index");
+ res = apply_all_patches(&apply_state, apply_paths.argc, apply_paths.argv, options);
- argv_array_push(&cp.args, am_path(state, "patch"));
+ argv_array_clear(&apply_paths);
+ argv_array_clear(&apply_opts);
+ clear_apply_state(&apply_state);
- if (run_command(&cp))
- return -1;
+ if (res)
+ return res;
- /* Reload index as git-apply will have modified it. */
- discard_cache();
- read_cache_from(index_file ? index_file : get_index_file());
+ if (index_file) {
+ /* Reload index as apply_all_patches() will have modified it. */
+ discard_cache();
+ read_cache_from(index_file);
+ }
return 0;
}
return 0;
}
-/**
- * Do the three-way merge using fake ancestor, their tree constructed
- * from the fake ancestor and the postimage of the patch, and our
- * state.
- */
-static int run_fallback_merge_recursive(const struct am_state *state,
- unsigned char *orig_tree,
- unsigned char *our_tree,
- unsigned char *their_tree)
-{
- struct child_process cp = CHILD_PROCESS_INIT;
- int status;
-
- cp.git_cmd = 1;
-
- argv_array_pushf(&cp.env_array, "GITHEAD_%s=%.*s",
- sha1_to_hex(their_tree), linelen(state->msg), state->msg);
- if (state->quiet)
- argv_array_push(&cp.env_array, "GIT_MERGE_VERBOSITY=0");
-
- argv_array_push(&cp.args, "merge-recursive");
- argv_array_push(&cp.args, sha1_to_hex(orig_tree));
- argv_array_push(&cp.args, "--");
- argv_array_push(&cp.args, sha1_to_hex(our_tree));
- argv_array_push(&cp.args, sha1_to_hex(their_tree));
-
- status = run_command(&cp) ? (-1) : 0;
- discard_cache();
- read_cache();
- return status;
-}
-
/**
* Attempt a threeway merge, using index_path as the temporary index.
*/
static int fall_back_threeway(const struct am_state *state, const char *index_path)
{
- unsigned char orig_tree[GIT_SHA1_RAWSZ], their_tree[GIT_SHA1_RAWSZ],
- our_tree[GIT_SHA1_RAWSZ];
+ struct object_id orig_tree, their_tree, our_tree;
+ const struct object_id *bases[1] = { &orig_tree };
+ struct merge_options o;
+ struct commit *result;
+ char *their_tree_name;
- if (get_sha1("HEAD", our_tree) < 0)
- hashcpy(our_tree, EMPTY_TREE_SHA1_BIN);
+ if (get_oid("HEAD", &our_tree) < 0)
+ hashcpy(our_tree.hash, EMPTY_TREE_SHA1_BIN);
if (build_fake_ancestor(state, index_path))
return error("could not build fake ancestor");
discard_cache();
read_cache_from(index_path);
- if (write_index_as_tree(orig_tree, &the_index, index_path, 0, NULL))
+ if (write_index_as_tree(orig_tree.hash, &the_index, index_path, 0, NULL))
return error(_("Repository lacks necessary blobs to fall back on 3-way merge."));
say(state, stdout, _("Using index info to reconstruct a base tree..."));
init_revisions(&rev_info, NULL);
rev_info.diffopt.output_format = DIFF_FORMAT_NAME_STATUS;
diff_opt_parse(&rev_info.diffopt, &diff_filter_str, 1, rev_info.prefix);
- add_pending_sha1(&rev_info, "HEAD", our_tree, 0);
+ add_pending_sha1(&rev_info, "HEAD", our_tree.hash, 0);
diff_setup_done(&rev_info.diffopt);
run_diff_index(&rev_info, 1);
}
return error(_("Did you hand edit your patch?\n"
"It does not apply to blobs recorded in its index."));
- if (write_index_as_tree(their_tree, &the_index, index_path, 0, NULL))
+ if (write_index_as_tree(their_tree.hash, &the_index, index_path, 0, NULL))
return error("could not write tree");
say(state, stdout, _("Falling back to patching base and 3-way merge..."));
* changes.
*/
- if (run_fallback_merge_recursive(state, orig_tree, our_tree, their_tree)) {
+ init_merge_options(&o);
+
+ o.branch1 = "HEAD";
+ their_tree_name = xstrfmt("%.*s", linelen(state->msg), state->msg);
+ o.branch2 = their_tree_name;
+
+ if (state->quiet)
+ o.verbosity = 0;
+
+ if (merge_recursive_generic(&o, &our_tree, &their_tree, 1, bases, &result)) {
rerere(state->allow_rerere_autoupdate);
+ free(their_tree_name);
return error(_("Failed to merge in the changes."));
}
+ free(their_tree_name);
return 0;
}
const char *mail = am_path(state, msgnum(state));
int apply_status;
+ reset_ident_date();
+
if (!file_exists(mail))
goto next;
int in_progress;
const char * const usage[] = {
- N_("git am [<options>] [(<mbox>|<Maildir>)...]"),
+ N_("git am [<options>] [(<mbox> | <Maildir>)...]"),
N_("git am [<options>] (--continue | --skip | --abort)"),
NULL
};