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Diffstat (limited to 'builtin/am.c')
-rw-r--r--builtin/am.c179
1 files changed, 75 insertions, 104 deletions
diff --git a/builtin/am.c b/builtin/am.c
index 31fb60578f..73f542bec5 100644
--- a/builtin/am.c
+++ b/builtin/am.c
@@ -4,6 +4,7 @@
* Based on git-am.sh by Junio C Hamano.
*/
#include "cache.h"
+#include "config.h"
#include "builtin.h"
#include "exec_cmd.h"
#include "parse-options.h"
@@ -134,17 +135,15 @@ struct am_state {
};
/**
- * Initializes am_state with the default values. The state directory is set to
- * dir.
+ * Initializes am_state with the default values.
*/
-static void am_state_init(struct am_state *state, const char *dir)
+static void am_state_init(struct am_state *state)
{
int gpgsign;
memset(state, 0, sizeof(*state));
- assert(dir);
- state->dir = xstrdup(dir);
+ state->dir = git_pathdup("rebase-apply");
state->prec = 4;
@@ -432,6 +431,14 @@ static void am_load(struct am_state *state)
read_state_file(&sb, state, "utf8", 1);
state->utf8 = !strcmp(sb.buf, "t");
+ if (file_exists(am_path(state, "rerere-autoupdate"))) {
+ read_state_file(&sb, state, "rerere-autoupdate", 1);
+ state->allow_rerere_autoupdate = strcmp(sb.buf, "t") ?
+ RERERE_NOAUTOUPDATE : RERERE_AUTOUPDATE;
+ } else {
+ state->allow_rerere_autoupdate = 0;
+ }
+
read_state_file(&sb, state, "keep", 1);
if (!strcmp(sb.buf, "t"))
state->keep = KEEP_TRUE;
@@ -485,8 +492,7 @@ static int run_applypatch_msg_hook(struct am_state *state)
ret = run_hook_le(NULL, "applypatch-msg", am_path(state, "final-commit"), NULL);
if (!ret) {
- free(state->msg);
- state->msg = NULL;
+ FREE_AND_NULL(state->msg);
if (read_commit_msg(state) < 0)
die(_("'%s' was deleted by the applypatch-msg hook"),
am_path(state, "final-commit"));
@@ -565,7 +571,7 @@ static int copy_notes_for_rebase(const struct am_state *state)
goto finish;
}
- if (copy_note_for_rewrite(c, from_obj.hash, to_obj.hash))
+ if (copy_note_for_rewrite(c, &from_obj, &to_obj))
ret = error(_("Failed to copy notes from '%s' to '%s'"),
oid_to_hex(&from_obj), oid_to_hex(&to_obj));
}
@@ -762,14 +768,18 @@ static int split_mail_conv(mail_conv_fn fn, struct am_state *state,
mail = mkpath("%s/%0*d", state->dir, state->prec, i + 1);
out = fopen(mail, "w");
- if (!out)
+ if (!out) {
+ if (in != stdin)
+ fclose(in);
return error_errno(_("could not open '%s' for writing"),
mail);
+ }
ret = fn(out, in, keep_cr);
fclose(out);
- fclose(in);
+ if (in != stdin)
+ fclose(in);
if (ret)
return error(_("could not parse patch '%s'"), *paths);
@@ -877,12 +887,12 @@ static int hg_patch_to_mail(FILE *out, FILE *in, int keep_cr)
if (skip_prefix(sb.buf, "# User ", &str))
fprintf(out, "From: %s\n", str);
else if (skip_prefix(sb.buf, "# Date ", &str)) {
- unsigned long timestamp;
+ timestamp_t timestamp;
long tz, tz2;
char *end;
errno = 0;
- timestamp = strtoul(str, &end, 10);
+ timestamp = parse_timestamp(str, &end, 10);
if (errno)
return error(_("invalid timestamp"));
@@ -1001,6 +1011,10 @@ static void am_setup(struct am_state *state, enum patch_format patch_format,
write_state_bool(state, "sign", state->signoff);
write_state_bool(state, "utf8", state->utf8);
+ if (state->allow_rerere_autoupdate)
+ write_state_bool(state, "rerere-autoupdate",
+ state->allow_rerere_autoupdate == RERERE_AUTOUPDATE);
+
switch (state->keep) {
case KEEP_FALSE:
str = "f";
@@ -1049,7 +1063,7 @@ static void am_setup(struct am_state *state, enum patch_format patch_format,
} else {
write_state_text(state, "abort-safety", "");
if (!state->rebasing)
- delete_ref("ORIG_HEAD", NULL, 0);
+ delete_ref(NULL, "ORIG_HEAD", NULL, 0);
}
/*
@@ -1071,17 +1085,10 @@ static void am_next(struct am_state *state)
{
struct object_id head;
- free(state->author_name);
- state->author_name = NULL;
-
- free(state->author_email);
- state->author_email = NULL;
-
- free(state->author_date);
- state->author_date = NULL;
-
- free(state->msg);
- state->msg = NULL;
+ FREE_AND_NULL(state->author_name);
+ FREE_AND_NULL(state->author_email);
+ FREE_AND_NULL(state->author_date);
+ FREE_AND_NULL(state->msg);
state->msg_len = 0;
unlink(am_path(state, "author-script"));
@@ -1143,7 +1150,7 @@ static int index_has_changes(struct strbuf *sb)
DIFF_OPT_SET(&opt, EXIT_WITH_STATUS);
if (!sb)
DIFF_OPT_SET(&opt, QUICK);
- do_diff_cache(head.hash, &opt);
+ do_diff_cache(&head, &opt);
diffcore_std(&opt);
for (i = 0; sb && i < diff_queued_diff.nr; i++) {
if (i)
@@ -1181,33 +1188,6 @@ static void NORETURN die_user_resolve(const struct am_state *state)
exit(128);
}
-static void am_signoff(struct strbuf *sb)
-{
- char *cp;
- struct strbuf mine = STRBUF_INIT;
-
- /* Does it end with our own sign-off? */
- strbuf_addf(&mine, "\n%s%s\n",
- sign_off_header,
- fmt_name(getenv("GIT_COMMITTER_NAME"),
- getenv("GIT_COMMITTER_EMAIL")));
- if (mine.len < sb->len &&
- !strcmp(mine.buf, sb->buf + sb->len - mine.len))
- goto exit; /* no need to duplicate */
-
- /* Does it have any Signed-off-by: in the text */
- for (cp = sb->buf;
- cp && *cp && (cp = strstr(cp, sign_off_header)) != NULL;
- cp = strchr(cp, '\n')) {
- if (sb->buf == cp || cp[-1] == '\n')
- break;
- }
-
- strbuf_addstr(sb, mine.buf + !!cp);
-exit:
- strbuf_release(&mine);
-}
-
/**
* Appends signoff to the "msg" field of the am_state.
*/
@@ -1216,7 +1196,7 @@ static void am_append_signoff(struct am_state *state)
struct strbuf sb = STRBUF_INIT;
strbuf_attach(&sb, state->msg, state->msg_len, state->msg_len);
- am_signoff(&sb);
+ append_signoff(&sb, 0, 0);
state->msg = strbuf_detach(&sb, &state->msg_len);
}
@@ -1276,12 +1256,8 @@ static int parse_mail(struct am_state *state, const char *mail)
die("BUG: invalid value for state->scissors");
}
- mi.input = fopen(mail, "r");
- if (!mi.input)
- die("could not open input");
- mi.output = fopen(am_path(state, "info"), "w");
- if (!mi.output)
- die("could not open output 'info'");
+ mi.input = xfopen(mail, "r");
+ mi.output = xfopen(am_path(state, "info"), "w");
if (mailinfo(&mi, am_path(state, "msg"), am_path(state, "patch")))
die("could not parse patch");
@@ -1313,7 +1289,7 @@ static int parse_mail(struct am_state *state, const char *mail)
}
if (is_empty_file(am_path(state, "patch"))) {
- printf_ln(_("Patch is empty. Was it split wrong?"));
+ printf_ln(_("Patch is empty."));
die_user_resolve(state);
}
@@ -1321,9 +1297,6 @@ static int parse_mail(struct am_state *state, const char *mail)
strbuf_addbuf(&msg, &mi.log_message);
strbuf_stripspace(&msg, 0);
- if (state->signoff)
- am_signoff(&msg);
-
assert(!state->author_name);
state->author_name = strbuf_detach(&author_name, NULL);
@@ -1355,19 +1328,16 @@ static int get_mail_commit_oid(struct object_id *commit_id, const char *mail)
struct strbuf sb = STRBUF_INIT;
FILE *fp = xfopen(mail, "r");
const char *x;
+ int ret = 0;
- if (strbuf_getline_lf(&sb, fp))
- return -1;
-
- if (!skip_prefix(sb.buf, "From ", &x))
- return -1;
-
- if (get_oid_hex(x, commit_id) < 0)
- return -1;
+ if (strbuf_getline_lf(&sb, fp) ||
+ !skip_prefix(sb.buf, "From ", &x) ||
+ get_oid_hex(x, commit_id) < 0)
+ ret = -1;
strbuf_release(&sb);
fclose(fp);
- return 0;
+ return ret;
}
/**
@@ -1376,40 +1346,33 @@ static int get_mail_commit_oid(struct object_id *commit_id, const char *mail)
*/
static void get_commit_info(struct am_state *state, struct commit *commit)
{
- const char *buffer, *ident_line, *author_date, *msg;
+ const char *buffer, *ident_line, *msg;
size_t ident_len;
- struct ident_split ident_split;
- struct strbuf sb = STRBUF_INIT;
+ struct ident_split id;
buffer = logmsg_reencode(commit, NULL, get_commit_output_encoding());
ident_line = find_commit_header(buffer, "author", &ident_len);
- if (split_ident_line(&ident_split, ident_line, ident_len) < 0) {
- strbuf_add(&sb, ident_line, ident_len);
- die(_("invalid ident line: %s"), sb.buf);
- }
+ if (split_ident_line(&id, ident_line, ident_len) < 0)
+ die(_("invalid ident line: %.*s"), (int)ident_len, ident_line);
assert(!state->author_name);
- if (ident_split.name_begin) {
- strbuf_add(&sb, ident_split.name_begin,
- ident_split.name_end - ident_split.name_begin);
- state->author_name = strbuf_detach(&sb, NULL);
- } else
+ if (id.name_begin)
+ state->author_name =
+ xmemdupz(id.name_begin, id.name_end - id.name_begin);
+ else
state->author_name = xstrdup("");
assert(!state->author_email);
- if (ident_split.mail_begin) {
- strbuf_add(&sb, ident_split.mail_begin,
- ident_split.mail_end - ident_split.mail_begin);
- state->author_email = strbuf_detach(&sb, NULL);
- } else
+ if (id.mail_begin)
+ state->author_email =
+ xmemdupz(id.mail_begin, id.mail_end - id.mail_begin);
+ else
state->author_email = xstrdup("");
- author_date = show_ident_date(&ident_split, DATE_MODE(NORMAL));
- strbuf_addstr(&sb, author_date);
assert(!state->author_date);
- state->author_date = strbuf_detach(&sb, NULL);
+ state->author_date = xstrdup(show_ident_date(&id, DATE_MODE(NORMAL)));
assert(!state->msg);
msg = strstr(buffer, "\n\n");
@@ -1417,6 +1380,7 @@ static void get_commit_info(struct am_state *state, struct commit *commit)
die(_("unable to parse commit %s"), oid_to_hex(&commit->object.oid));
state->msg = xstrdup(msg + 2);
state->msg_len = strlen(state->msg);
+ unuse_commit_buffer(commit, buffer);
}
/**
@@ -1457,9 +1421,9 @@ static void write_index_patch(const struct am_state *state)
FILE *fp;
if (!get_sha1_tree("HEAD", head.hash))
- tree = lookup_tree(head.hash);
+ tree = lookup_tree(&head);
else
- tree = lookup_tree(EMPTY_TREE_SHA1_BIN);
+ tree = lookup_tree(&empty_tree_oid);
fp = xfopen(am_path(state, "patch"), "w");
init_revisions(&rev_info, NULL);
@@ -1492,7 +1456,7 @@ static int parse_mail_rebase(struct am_state *state, const char *mail)
if (get_mail_commit_oid(&commit_oid, mail) < 0)
die(_("could not parse %s"), mail);
- commit = lookup_commit_or_die(commit_oid.hash, mail);
+ commit = lookup_commit_or_die(&commit_oid, mail);
get_commit_info(state, commit);
@@ -1622,7 +1586,7 @@ static int fall_back_threeway(const struct am_state *state, const char *index_pa
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.hash, 0);
+ add_pending_oid(&rev_info, "HEAD", &our_tree, 0);
diff_setup_done(&rev_info.diffopt);
run_diff_index(&rev_info, 1);
}
@@ -1687,7 +1651,7 @@ static void do_commit(const struct am_state *state)
if (!get_sha1_commit("HEAD", parent.hash)) {
old_oid = &parent;
- commit_list_insert(lookup_commit(parent.hash), &parents);
+ commit_list_insert(lookup_commit(&parent), &parents);
} else {
old_oid = NULL;
say(state, stderr, _("applying to an empty history"));
@@ -1848,6 +1812,9 @@ static void am_run(struct am_state *state, int resume)
if (skip)
goto next; /* mail should be skipped */
+ if (state->signoff)
+ am_append_signoff(state);
+
write_author_script(state);
write_commit_msg(state);
}
@@ -1941,7 +1908,8 @@ static void am_resolve(struct am_state *state)
if (unmerged_cache()) {
printf_ln(_("You still have unmerged paths in your index.\n"
- "Did you forget to use 'git add'?"));
+ "You should 'git add' each file with resolved conflicts to mark them as such.\n"
+ "You might run `git rm` on a file to accept \"deleted by them\" for it."));
die_user_resolve(state);
}
@@ -2046,11 +2014,11 @@ static int clean_index(const struct object_id *head, const struct object_id *rem
struct tree *head_tree, *remote_tree, *index_tree;
struct object_id index;
- head_tree = parse_tree_indirect(head->hash);
+ head_tree = parse_tree_indirect(head);
if (!head_tree)
return error(_("Could not parse object '%s'."), oid_to_hex(head));
- remote_tree = parse_tree_indirect(remote->hash);
+ remote_tree = parse_tree_indirect(remote);
if (!remote_tree)
return error(_("Could not parse object '%s'."), oid_to_hex(remote));
@@ -2062,7 +2030,7 @@ static int clean_index(const struct object_id *head, const struct object_id *rem
if (write_cache_as_tree(index.hash, 0, NULL))
return -1;
- index_tree = parse_tree_indirect(index.hash);
+ index_tree = parse_tree_indirect(&index);
if (!index_tree)
return error(_("Could not parse object '%s'."), oid_to_hex(&index));
@@ -2157,7 +2125,7 @@ static void am_abort(struct am_state *state)
am_rerere_clear();
curr_branch = resolve_refdup("HEAD", 0, curr_head.hash, NULL);
- has_curr_head = !is_null_oid(&curr_head);
+ has_curr_head = curr_branch && !is_null_oid(&curr_head);
if (!has_curr_head)
hashcpy(curr_head.hash, EMPTY_TREE_SHA1_BIN);
@@ -2172,7 +2140,7 @@ static void am_abort(struct am_state *state)
has_curr_head ? &curr_head : NULL, 0,
UPDATE_REFS_DIE_ON_ERR);
else if (curr_branch)
- delete_ref(curr_branch, NULL, REF_NODEREF);
+ delete_ref(NULL, curr_branch, NULL, REF_NODEREF);
free(curr_branch);
am_destroy(state);
@@ -2320,9 +2288,12 @@ int cmd_am(int argc, const char **argv, const char *prefix)
OPT_END()
};
+ if (argc == 2 && !strcmp(argv[1], "-h"))
+ usage_with_options(usage, options);
+
git_config(git_am_config, NULL);
- am_state_init(&state, git_path("rebase-apply"));
+ am_state_init(&state);
in_progress = am_in_progress(&state);
if (in_progress)