-#include "cache.h"
+#include "git-compat-util.h"
#include "abspath.h"
#include "advice.h"
-#include "alloc.h"
#include "config.h"
#include "copy.h"
#include "environment.h"
#include "dir.h"
#include "object-file.h"
#include "object-name.h"
-#include "object-store.h"
+#include "object-store-ll.h"
#include "object.h"
#include "pager.h"
#include "commit.h"
#include "utf8.h"
#include "cache-tree.h"
#include "diff.h"
+#include "path.h"
#include "revision.h"
#include "rerere.h"
+#include "merge.h"
#include "merge-ort.h"
#include "merge-ort-wrappers.h"
#include "refs.h"
+#include "sparse-index.h"
#include "strvec.h"
#include "quote.h"
#include "trailer.h"
#include "rebase-interactive.h"
#include "reset.h"
#include "branch.h"
-#include "wrapper.h"
#define GIT_REFLOG_ACTION "GIT_REFLOG_ACTION"
+/*
+ * To accommodate common filesystem limitations, where the loose refs' file
+ * names must not exceed `NAME_MAX`, the labels generated by `git rebase
+ * --rebase-merges` need to be truncated if the corresponding commit subjects
+ * are too long.
+ * Add some margin to stay clear from reaching `NAME_MAX`.
+ */
+#define GIT_MAX_LABEL_LENGTH ((NAME_MAX) - (LOCK_SUFFIX_LEN) - 16)
+
static const char sign_off_header[] = "Signed-off-by: ";
static const char cherry_picked_prefix[] = "(cherry picked from commit ";
return rec;
}
-static int git_sequencer_config(const char *k, const char *v, void *cb)
+static int git_sequencer_config(const char *k, const char *v,
+ const struct config_context *ctx, void *cb)
{
struct replay_opts *opts = cb;
int status;
if (opts->action == REPLAY_REVERT && !strcmp(k, "revert.reference"))
opts->commit_use_reference = git_config_bool(k, v);
- return git_diff_basic_config(k, v, NULL);
+ return git_diff_basic_config(k, v, ctx, NULL);
}
void sequencer_init_config(struct replay_opts *opts)
}
strbuf_addch(msgbuf, '\n');
- strbuf_commented_addf(msgbuf, "Conflicts:\n");
+ strbuf_commented_addf(msgbuf, comment_line_char, "Conflicts:\n");
for (i = 0; i < istate->cache_nr;) {
const struct cache_entry *ce = istate->cache[i++];
if (ce_stage(ce)) {
- strbuf_commented_addf(msgbuf, "\t%s\n", ce->name);
+ strbuf_commented_addf(msgbuf, comment_line_char,
+ "\t%s\n", ce->name);
while (i < istate->cache_nr &&
!strcmp(ce->name, istate->cache[i]->name))
i++;
cleanup_mode == COMMIT_MSG_CLEANUP_SCISSORS)
strbuf_setlen(msgbuf, wt_status_locate_end(msgbuf->buf, msgbuf->len));
if (cleanup_mode != COMMIT_MSG_CLEANUP_NONE)
- strbuf_stripspace(msgbuf, cleanup_mode == COMMIT_MSG_CLEANUP_ALL);
+ strbuf_stripspace(msgbuf,
+ cleanup_mode == COMMIT_MSG_CLEANUP_ALL ? comment_line_char : '\0');
}
/*
if (!template_file || strbuf_read_file(&tmpl, template_file, 0) <= 0)
return 0;
- strbuf_stripspace(&tmpl, cleanup_mode == COMMIT_MSG_CLEANUP_ALL);
+ strbuf_stripspace(&tmpl,
+ cleanup_mode == COMMIT_MSG_CLEANUP_ALL ? comment_line_char : '\0');
if (!skip_prefix(sb->buf, tmpl.buf, &start))
start = sb->buf;
strbuf_release(&tmpl);
cleanup = opts->default_msg_cleanup;
if (cleanup != COMMIT_MSG_CLEANUP_NONE)
- strbuf_stripspace(msg, cleanup == COMMIT_MSG_CLEANUP_ALL);
+ strbuf_stripspace(msg,
+ cleanup == COMMIT_MSG_CLEANUP_ALL ? comment_line_char : '\0');
if ((flags & EDIT_MSG) && message_is_empty(msg, cleanup)) {
res = 1; /* run 'git commit' to display error message */
goto out;
s += count;
len -= count;
}
- strbuf_add_commented_lines(buf, s, len);
+ strbuf_add_commented_lines(buf, s, len, comment_line_char);
}
/* Does the current fixup chain contain a squash command? */
strbuf_addf(buf, _(nth_commit_msg_fmt),
++opts->current_fixup_count + 1);
strbuf_addstr(buf, "\n\n");
- strbuf_add_commented_lines(buf, body, commented_len);
+ strbuf_add_commented_lines(buf, body, commented_len, comment_line_char);
/* buf->buf may be reallocated so store an offset into the buffer */
fixup_off = buf->len;
strbuf_addstr(buf, body + commented_len);
_(first_commit_msg_str));
strbuf_addstr(&buf, "\n\n");
if (is_fixup_flag(command, flag))
- strbuf_add_commented_lines(&buf, body, strlen(body));
+ strbuf_add_commented_lines(&buf, body, strlen(body),
+ comment_line_char);
else
strbuf_addstr(&buf, body);
strbuf_addf(&buf, _(skip_nth_commit_msg_fmt),
++opts->current_fixup_count + 1);
strbuf_addstr(&buf, "\n\n");
- strbuf_add_commented_lines(&buf, body, strlen(body));
+ strbuf_add_commented_lines(&buf, body, strlen(body),
+ comment_line_char);
} else
return error(_("unknown command: %d"), command);
repo_unuse_commit_buffer(r, commit, message);
if (fixup_okay)
; /* do nothing */
else if (is_fixup(item->command))
- return error(_("cannot '%s' without a previous commit"),
+ res = error(_("cannot '%s' without a previous commit"),
command_to_string(item->command));
else if (!is_noop(item->command))
fixup_okay = 1;
return 0;
}
-static int populate_opts_cb(const char *key, const char *value, void *data)
+static int populate_opts_cb(const char *key, const char *value,
+ const struct config_context *ctx,
+ void *data)
{
struct replay_opts *opts = data;
int error_flag = 1;
if (!value)
error_flag = 0;
else if (!strcmp(key, "options.no-commit"))
- opts->no_commit = git_config_bool_or_int(key, value, &error_flag);
+ opts->no_commit = git_config_bool_or_int(key, value, ctx->kvi, &error_flag);
else if (!strcmp(key, "options.edit"))
- opts->edit = git_config_bool_or_int(key, value, &error_flag);
+ opts->edit = git_config_bool_or_int(key, value, ctx->kvi, &error_flag);
else if (!strcmp(key, "options.allow-empty"))
opts->allow_empty =
- git_config_bool_or_int(key, value, &error_flag);
+ git_config_bool_or_int(key, value, ctx->kvi, &error_flag);
else if (!strcmp(key, "options.allow-empty-message"))
opts->allow_empty_message =
- git_config_bool_or_int(key, value, &error_flag);
+ git_config_bool_or_int(key, value, ctx->kvi, &error_flag);
else if (!strcmp(key, "options.keep-redundant-commits"))
opts->keep_redundant_commits =
- git_config_bool_or_int(key, value, &error_flag);
+ git_config_bool_or_int(key, value, ctx->kvi, &error_flag);
else if (!strcmp(key, "options.signoff"))
- opts->signoff = git_config_bool_or_int(key, value, &error_flag);
+ opts->signoff = git_config_bool_or_int(key, value, ctx->kvi, &error_flag);
else if (!strcmp(key, "options.record-origin"))
- opts->record_origin = git_config_bool_or_int(key, value, &error_flag);
+ opts->record_origin = git_config_bool_or_int(key, value, ctx->kvi, &error_flag);
else if (!strcmp(key, "options.allow-ff"))
- opts->allow_ff = git_config_bool_or_int(key, value, &error_flag);
+ opts->allow_ff = git_config_bool_or_int(key, value, ctx->kvi, &error_flag);
else if (!strcmp(key, "options.mainline"))
- opts->mainline = git_config_int(key, value);
+ opts->mainline = git_config_int(key, value, ctx->kvi);
else if (!strcmp(key, "options.strategy"))
git_config_string_dup(&opts->strategy, key, value);
else if (!strcmp(key, "options.gpg-sign"))
strvec_push(&opts->xopts, value);
} else if (!strcmp(key, "options.allow-rerere-auto"))
opts->allow_rerere_auto =
- git_config_bool_or_int(key, value, &error_flag) ?
+ git_config_bool_or_int(key, value, ctx->kvi, &error_flag) ?
RERERE_AUTOUPDATE : RERERE_NOAUTOUPDATE;
else if (!strcmp(key, "options.default-msg-cleanup")) {
opts->explicit_cleanup = 1;
* We need to update the squash message to skip
* the latest commit message.
*/
+ int res = 0;
struct commit *commit;
+ const char *msg;
const char *path = rebase_path_squash_msg();
const char *encoding = get_commit_output_encoding();
- if (parse_head(r, &commit) ||
- !(p = repo_logmsg_reencode(r, commit, NULL, encoding)) ||
- write_message(p, strlen(p), path, 0)) {
- repo_unuse_commit_buffer(r, commit, p);
- return error(_("could not write file: "
+ if (parse_head(r, &commit))
+ return error(_("could not parse HEAD"));
+
+ p = repo_logmsg_reencode(r, commit, NULL, encoding);
+ if (!p) {
+ res = error(_("could not parse commit %s"),
+ oid_to_hex(&commit->object.oid));
+ goto unuse_commit_buffer;
+ }
+ find_commit_subject(p, &msg);
+ if (write_message(msg, strlen(msg), path, 0)) {
+ res = error(_("could not write file: "
"'%s'"), path);
+ goto unuse_commit_buffer;
}
- repo_unuse_commit_buffer(r,
- commit, p);
+ unuse_commit_buffer:
+ repo_unuse_commit_buffer(r, commit, p);
+ if (res)
+ return res;
}
}
struct oidmap commit2label;
struct hashmap labels;
struct strbuf buf;
+ int max_label_length;
};
static const char *label_oid(struct object_id *oid, const char *label,
}
} else {
struct strbuf *buf = &state->buf;
+ int label_is_utf8 = 1; /* start with this assumption */
+ size_t max_len = buf->len + state->max_label_length;
/*
* Sanitize labels by replacing non-alpha-numeric characters
*
* Note that we retain non-ASCII UTF-8 characters (identified
* via the most significant bit). They should be all acceptable
- * in file names. We do not validate the UTF-8 here, that's not
- * the job of this function.
+ * in file names.
+ *
+ * As we will use the labels as names of (loose) refs, it is
+ * vital that the name not be longer than the maximum component
+ * size of the file system (`NAME_MAX`). We are careful to
+ * truncate the label accordingly, allowing for the `.lock`
+ * suffix and for the label to be UTF-8 encoded (i.e. we avoid
+ * truncating in the middle of a character).
*/
- for (; *label; label++)
- if ((*label & 0x80) || isalnum(*label))
+ for (; *label && buf->len + 1 < max_len; label++)
+ if (isalnum(*label) ||
+ (!label_is_utf8 && (*label & 0x80)))
strbuf_addch(buf, *label);
+ else if (*label & 0x80) {
+ const char *p = label;
+
+ utf8_width(&p, NULL);
+ if (p) {
+ if (buf->len + (p - label) > max_len)
+ break;
+ strbuf_add(buf, label, p - label);
+ label = p - 1;
+ } else {
+ label_is_utf8 = 0;
+ strbuf_addch(buf, *label);
+ }
/* avoid leading dash and double-dashes */
- else if (buf->len && buf->buf[buf->len - 1] != '-')
+ } else if (buf->len && buf->buf[buf->len - 1] != '-')
strbuf_addch(buf, '-');
if (!buf->len) {
strbuf_addstr(buf, "rev-");
struct string_entry *entry;
struct oidset interesting = OIDSET_INIT, child_seen = OIDSET_INIT,
shown = OIDSET_INIT;
- struct label_state state = { OIDMAP_INIT, { NULL }, STRBUF_INIT };
+ struct label_state state =
+ { OIDMAP_INIT, { NULL }, STRBUF_INIT, GIT_MAX_LABEL_LENGTH };
int abbr = flags & TODO_LIST_ABBREVIATE_CMDS;
const char *cmd_pick = abbr ? "p" : "pick",
*cmd_reset = abbr ? "t" : "reset",
*cmd_merge = abbr ? "m" : "merge";
+ git_config_get_int("rebase.maxlabellength", &state.max_label_length);
+
oidmap_init(&commit2todo, 0);
oidmap_init(&state.commit2label, 0);
hashmap_init(&state.labels, labels_cmp, NULL, 0);
if (checkout_onto(r, opts, onto_name, &oid, orig_head))
goto cleanup;
- if (require_clean_work_tree(r, "rebase", "", 1, 1))
+ if (require_clean_work_tree(r, "rebase", NULL, 1, 1))
goto cleanup;
todo_list_write_total_nr(&new_todo);