#include "rerere.h"
#include "prompt.h"
#include "mailinfo.h"
+#include "string-list.h"
/**
* Returns 1 if the file is empty or does not exist, 0 otherwise.
PATCH_FORMAT_MBOX,
PATCH_FORMAT_STGIT,
PATCH_FORMAT_STGIT_SERIES,
- PATCH_FORMAT_HG
+ PATCH_FORMAT_HG,
+ PATCH_FORMAT_MBOXRD
};
enum keep_type {
/**
* For convenience to call write_file()
*/
-static int write_state_text(const struct am_state *state,
- const char *name, const char *string)
+static void write_state_text(const struct am_state *state,
+ const char *name, const char *string)
{
- return write_file(am_path(state, name), "%s", string);
+ write_file(am_path(state, name), "%s", string);
}
-static int write_state_count(const struct am_state *state,
- const char *name, int value)
+static void write_state_count(const struct am_state *state,
+ const char *name, int value)
{
- return write_file(am_path(state, name), "%d", value);
+ write_file(am_path(state, name), "%d", value);
}
-static int write_state_bool(const struct am_state *state,
- const char *name, int value)
+static void write_state_bool(const struct am_state *state,
+ const char *name, int value)
{
- return write_state_text(state, name, value ? "t" : "f");
+ write_state_text(state, name, value ? "t" : "f");
}
/**
}
/**
- * 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 void write_commit_msg(const struct am_state *state)
{
- int fd;
const char *filename = am_path(state, "final-commit");
-
- fd = xopen(filename, O_WRONLY | O_CREAT, 0666);
- if (write_in_full(fd, state->msg, state->msg_len) < 0)
- die_errno(_("could not write to %s"), filename);
- close(fd);
+ write_file_buf(filename, state->msg, state->msg_len);
}
/**
* Splits out individual email patches from `paths`, where each path is either
* a mbox file or a Maildir. Returns 0 on success, -1 on failure.
*/
-static int split_mail_mbox(struct am_state *state, const char **paths, int keep_cr)
+static int split_mail_mbox(struct am_state *state, const char **paths,
+ int keep_cr, int mboxrd)
{
struct child_process cp = CHILD_PROCESS_INIT;
struct strbuf last = STRBUF_INIT;
argv_array_push(&cp.args, "-b");
if (keep_cr)
argv_array_push(&cp.args, "--keep-cr");
+ if (mboxrd)
+ argv_array_push(&cp.args, "--mboxrd");
argv_array_push(&cp.args, "--");
argv_array_pushv(&cp.args, paths);
switch (patch_format) {
case PATCH_FORMAT_MBOX:
- return split_mail_mbox(state, paths, keep_cr);
+ return split_mail_mbox(state, paths, keep_cr, 0);
case PATCH_FORMAT_STGIT:
return split_mail_conv(stgit_patch_to_mail, state, paths, keep_cr);
case PATCH_FORMAT_STGIT_SERIES:
return split_mail_stgit_series(state, paths, keep_cr);
case PATCH_FORMAT_HG:
return split_mail_conv(hg_patch_to_mail, state, paths, keep_cr);
+ case PATCH_FORMAT_MBOXRD:
+ return split_mail_mbox(state, paths, keep_cr, 1);
default:
die("BUG: invalid patch_format");
}
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;
}
*opt_value = PATCH_FORMAT_STGIT_SERIES;
else if (!strcmp(arg, "hg"))
*opt_value = PATCH_FORMAT_HG;
+ else if (!strcmp(arg, "mboxrd"))
+ *opt_value = PATCH_FORMAT_MBOXRD;
else
return error(_("Invalid value for --patch-format: %s"), arg);
return 0;
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
};