diff options
Diffstat (limited to 'builtin/am.c')
-rw-r--r-- | builtin/am.c | 805 |
1 files changed, 443 insertions, 362 deletions
diff --git a/builtin/am.c b/builtin/am.c index 2368853763..06b824518f 100644 --- a/builtin/am.c +++ b/builtin/am.c @@ -4,12 +4,14 @@ * 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" #include "dir.h" #include "run-command.h" #include "quote.h" +#include "tempfile.h" #include "lockfile.h" #include "cache-tree.h" #include "refs.h" @@ -26,6 +28,10 @@ #include "notes-utils.h" #include "rerere.h" #include "prompt.h" +#include "mailinfo.h" +#include "apply.h" +#include "string-list.h" +#include "packfile.h" /** * Returns 1 if the file is empty or does not exist, 0 otherwise. @@ -44,21 +50,6 @@ static int is_empty_file(const char *filename) } /** - * Like strbuf_getline(), but treats both '\n' and "\r\n" as line terminators. - */ -static int strbuf_getline_crlf(struct strbuf *sb, FILE *fp) -{ - if (strbuf_getwholeline(sb, fp, '\n')) - return EOF; - if (sb->buf[sb->len - 1] == '\n') { - strbuf_setlen(sb, sb->len - 1); - if (sb->len > 0 && sb->buf[sb->len - 1] == '\r') - strbuf_setlen(sb, sb->len - 1); - } - return 0; -} - -/** * Returns the length of the first line of msg. */ static int linelen(const char *msg) @@ -83,7 +74,8 @@ enum patch_format { PATCH_FORMAT_MBOX, PATCH_FORMAT_STGIT, PATCH_FORMAT_STGIT_SERIES, - PATCH_FORMAT_HG + PATCH_FORMAT_HG, + PATCH_FORMAT_MBOXRD }; enum keep_type { @@ -98,6 +90,12 @@ enum scissors_type { SCISSORS_TRUE /* pass --scissors to git-mailinfo */ }; +enum signoff_type { + SIGNOFF_FALSE = 0, + SIGNOFF_TRUE = 1, + SIGNOFF_EXPLICIT /* --signoff was set on the command-line */ +}; + struct am_state { /* state directory path */ char *dir; @@ -114,7 +112,7 @@ struct am_state { size_t msg_len; /* when --rebasing, records the original commit the patch came from */ - unsigned char orig_commit[GIT_SHA1_RAWSZ]; + struct object_id orig_commit; /* number of digits in patch filename */ int prec; @@ -123,7 +121,7 @@ struct am_state { int interactive; int threeway; int quiet; - int signoff; + int signoff; /* enum signoff_type */ int utf8; int keep; /* enum keep_type */ int message_id; @@ -138,17 +136,15 @@ 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; @@ -188,6 +184,27 @@ static inline const char *am_path(const struct am_state *state, const char *path } /** + * For convenience to call write_file() + */ +static void write_state_text(const struct am_state *state, + const char *name, const char *string) +{ + write_file(am_path(state, name), "%s", string); +} + +static void write_state_count(const struct am_state *state, + const char *name, int value) +{ + write_file(am_path(state, name), "%d", value); +} + +static void write_state_bool(const struct am_state *state, + const char *name, int value) +{ + write_state_text(state, name, value ? "t" : "f"); +} + +/** * If state->quiet is false, calls fprintf(fp, fmt, ...), and appends a newline * at the end. */ @@ -243,38 +260,29 @@ static int read_state_file(struct strbuf *sb, const struct am_state *state, } /** - * 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(&sb, fp, '\n')) - 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; } /** @@ -296,44 +304,39 @@ fail: 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; } /** @@ -356,7 +359,7 @@ static void write_author_script(const struct am_state *state) sq_quote_buf(&sb, state->author_date); strbuf_addch(&sb, '\n'); - write_file(am_path(state, "author-script"), 1, "%s", sb.buf); + write_state_text(state, "author-script", sb.buf); strbuf_release(&sb); } @@ -388,13 +391,8 @@ static int read_commit_msg(struct am_state *state) */ 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); } /** @@ -418,8 +416,8 @@ static void am_load(struct am_state *state) read_commit_msg(state); if (read_state_file(&sb, state, "original-commit", 1) < 0) - hashclr(state->orig_commit); - else if (get_sha1_hex(sb.buf, state->orig_commit) < 0) + oidclr(&state->orig_commit); + else if (get_oid_hex(sb.buf, &state->orig_commit) < 0) die(_("could not parse %s"), am_path(state, "original-commit")); read_state_file(&sb, state, "threeway", 1); @@ -434,6 +432,14 @@ 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; @@ -487,8 +493,7 @@ 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")); @@ -544,15 +549,15 @@ static int copy_notes_for_rebase(const struct am_state *state) fp = xfopen(am_path(state, "rewritten"), "r"); - while (!strbuf_getline(&sb, fp, '\n')) { - unsigned char from_obj[GIT_SHA1_RAWSZ], to_obj[GIT_SHA1_RAWSZ]; + while (!strbuf_getline_lf(&sb, fp)) { + struct object_id from_obj, to_obj; if (sb.len != GIT_SHA1_HEXSZ * 2 + 1) { ret = error(invalid_line, sb.buf); goto finish; } - if (get_sha1_hex(sb.buf, from_obj)) { + if (get_oid_hex(sb.buf, &from_obj)) { ret = error(invalid_line, sb.buf); goto finish; } @@ -562,14 +567,14 @@ static int copy_notes_for_rebase(const struct am_state *state) goto finish; } - if (get_sha1_hex(sb.buf + GIT_SHA1_HEXSZ + 1, to_obj)) { + if (get_oid_hex(sb.buf + GIT_SHA1_HEXSZ + 1, &to_obj)) { ret = error(invalid_line, sb.buf); goto finish; } - if (copy_note_for_rewrite(c, from_obj, to_obj)) + if (copy_note_for_rewrite(c, &from_obj, &to_obj)) ret = error(_("Failed to copy notes from '%s' to '%s'"), - sha1_to_hex(from_obj), sha1_to_hex(to_obj)); + oid_to_hex(&from_obj), oid_to_hex(&to_obj)); } finish: @@ -599,7 +604,7 @@ static int is_mail(FILE *fp) if (regcomp(®ex, header_regex, REG_NOSUB | REG_EXTENDED)) die("invalid pattern: %s", header_regex); - while (!strbuf_getline_crlf(&sb, fp)) { + while (!strbuf_getline(&sb, fp)) { if (!sb.len) break; /* End of header */ @@ -646,7 +651,7 @@ static int detect_patch_format(const char **paths) fp = xfopen(*paths, "r"); - while (!strbuf_getline_crlf(&l1, fp)) { + while (!strbuf_getline(&l1, fp)) { if (l1.len) break; } @@ -666,10 +671,8 @@ static int detect_patch_format(const char **paths) goto done; } - strbuf_reset(&l2); - strbuf_getline_crlf(&l2, fp); - strbuf_reset(&l3); - strbuf_getline_crlf(&l3, fp); + strbuf_getline(&l2, fp); + strbuf_getline(&l3, fp); /* * If the second line is empty and the third is a From, Author or Date @@ -691,6 +694,8 @@ static int detect_patch_format(const char **paths) done: fclose(fp); strbuf_release(&l1); + strbuf_release(&l2); + strbuf_release(&l3); return ret; } @@ -698,7 +703,8 @@ done: * 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; @@ -711,6 +717,8 @@ static int split_mail_mbox(struct am_state *state, const char **paths, int keep_ 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); @@ -759,20 +767,24 @@ static int split_mail_conv(mail_conv_fn fn, struct am_state *state, in = fopen(*paths, "r"); if (!in) - return error(_("could not open '%s' for reading: %s"), - *paths, strerror(errno)); + return error_errno(_("could not open '%s' for reading"), + *paths); mail = mkpath("%s/%0*d", state->dir, state->prec, i + 1); out = fopen(mail, "w"); - if (!out) - return error(_("could not open '%s' for writing: %s"), - mail, strerror(errno)); + 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); @@ -792,7 +804,7 @@ static int stgit_patch_to_mail(FILE *out, FILE *in, int keep_cr) struct strbuf sb = STRBUF_INIT; int subject_printed = 0; - while (!strbuf_getline(&sb, in, '\n')) { + while (!strbuf_getline_lf(&sb, in)) { const char *str; if (str_isspace(sb.buf)) @@ -847,10 +859,9 @@ static int split_mail_stgit_series(struct am_state *state, const char **paths, fp = fopen(*paths, "r"); if (!fp) - return error(_("could not open '%s' for reading: %s"), *paths, - strerror(errno)); + return error_errno(_("could not open '%s' for reading"), *paths); - while (!strbuf_getline(&sb, fp, '\n')) { + while (!strbuf_getline_lf(&sb, fp)) { if (*sb.buf == '#') continue; /* skip comment lines */ @@ -874,32 +885,41 @@ static int split_mail_stgit_series(struct am_state *state, const char **paths, static int hg_patch_to_mail(FILE *out, FILE *in, int keep_cr) { struct strbuf sb = STRBUF_INIT; + int rc = 0; - while (!strbuf_getline(&sb, in, '\n')) { + while (!strbuf_getline_lf(&sb, in)) { const char *str; 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); - if (errno) - return error(_("invalid timestamp")); + timestamp = parse_timestamp(str, &end, 10); + if (errno) { + rc = error(_("invalid timestamp")); + goto exit; + } - if (!skip_prefix(end, " ", &str)) - return error(_("invalid Date line")); + if (!skip_prefix(end, " ", &str)) { + rc = error(_("invalid Date line")); + goto exit; + } errno = 0; tz = strtol(str, &end, 10); - if (errno) - return error(_("invalid timezone offset")); + if (errno) { + rc = error(_("invalid timezone offset")); + goto exit; + } - if (*end) - return error(_("invalid Date line")); + if (*end) { + rc = error(_("invalid Date line")); + goto exit; + } /* * mercurial's timezone is in seconds west of UTC, @@ -924,9 +944,9 @@ static int hg_patch_to_mail(FILE *out, FILE *in, int keep_cr) fwrite(sb.buf, 1, sb.len, out); strbuf_reset(&sb); } - +exit: strbuf_release(&sb); - return 0; + return rc; } /** @@ -956,13 +976,15 @@ static int split_mail(struct am_state *state, enum patch_format patch_format, 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"); } @@ -975,7 +997,7 @@ static int split_mail(struct am_state *state, enum patch_format patch_format, static void am_setup(struct am_state *state, enum patch_format patch_format, const char **paths, int keep_cr) { - unsigned char curr_head[GIT_SHA1_RAWSZ]; + struct object_id curr_head; const char *str; struct strbuf sb = STRBUF_INIT; @@ -998,13 +1020,14 @@ static void am_setup(struct am_state *state, enum patch_format patch_format, if (state->rebasing) state->threeway = 1; - write_file(am_path(state, "threeway"), 1, state->threeway ? "t" : "f"); + write_state_bool(state, "threeway", state->threeway); + write_state_bool(state, "quiet", state->quiet); + write_state_bool(state, "sign", state->signoff); + write_state_bool(state, "utf8", state->utf8); - write_file(am_path(state, "quiet"), 1, state->quiet ? "t" : "f"); - - write_file(am_path(state, "sign"), 1, state->signoff ? "t" : "f"); - - write_file(am_path(state, "utf8"), 1, state->utf8 ? "t" : "f"); + if (state->allow_rerere_autoupdate) + write_state_bool(state, "rerere-autoupdate", + state->allow_rerere_autoupdate == RERERE_AUTOUPDATE); switch (state->keep) { case KEEP_FALSE: @@ -1020,9 +1043,8 @@ static void am_setup(struct am_state *state, enum patch_format patch_format, die("BUG: invalid value for state->keep"); } - write_file(am_path(state, "keep"), 1, "%s", str); - - write_file(am_path(state, "messageid"), 1, state->message_id ? "t" : "f"); + write_state_text(state, "keep", str); + write_state_bool(state, "messageid", state->message_id); switch (state->scissors) { case SCISSORS_UNSET: @@ -1037,26 +1059,25 @@ static void am_setup(struct am_state *state, enum patch_format patch_format, default: die("BUG: invalid value for state->scissors"); } - - write_file(am_path(state, "scissors"), 1, "%s", str); + write_state_text(state, "scissors", str); sq_quote_argv(&sb, state->git_apply_opts.argv, 0); - write_file(am_path(state, "apply-opt"), 1, "%s", sb.buf); + write_state_text(state, "apply-opt", sb.buf); if (state->rebasing) - write_file(am_path(state, "rebasing"), 1, "%s", ""); + write_state_text(state, "rebasing", ""); else - write_file(am_path(state, "applying"), 1, "%s", ""); + write_state_text(state, "applying", ""); - if (!get_sha1("HEAD", curr_head)) { - write_file(am_path(state, "abort-safety"), 1, "%s", sha1_to_hex(curr_head)); + if (!get_oid("HEAD", &curr_head)) { + write_state_text(state, "abort-safety", oid_to_hex(&curr_head)); if (!state->rebasing) - update_ref("am", "ORIG_HEAD", curr_head, NULL, 0, - UPDATE_REFS_DIE_ON_ERR); + update_ref("am", "ORIG_HEAD", &curr_head, NULL, 0, + UPDATE_REFS_DIE_ON_ERR); } else { - write_file(am_path(state, "abort-safety"), 1, "%s", ""); + write_state_text(state, "abort-safety", ""); if (!state->rebasing) - delete_ref("ORIG_HEAD", NULL, 0); + delete_ref(NULL, "ORIG_HEAD", NULL, 0); } /* @@ -1064,9 +1085,8 @@ static void am_setup(struct am_state *state, enum patch_format patch_format, * session is in progress, they should be written last. */ - write_file(am_path(state, "next"), 1, "%d", state->cur); - - write_file(am_path(state, "last"), 1, "%d", state->last); + write_state_count(state, "next", state->cur); + write_state_count(state, "last", state->last); strbuf_release(&sb); } @@ -1077,34 +1097,27 @@ static void am_setup(struct am_state *state, enum patch_format patch_format, */ static void am_next(struct am_state *state) { - unsigned char head[GIT_SHA1_RAWSZ]; + 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")); unlink(am_path(state, "final-commit")); - hashclr(state->orig_commit); + oidclr(&state->orig_commit); unlink(am_path(state, "original-commit")); - if (!get_sha1("HEAD", head)) - write_file(am_path(state, "abort-safety"), 1, "%s", sha1_to_hex(head)); + if (!get_oid("HEAD", &head)) + write_state_text(state, "abort-safety", oid_to_hex(&head)); else - write_file(am_path(state, "abort-safety"), 1, "%s", ""); + write_state_text(state, "abort-safety", ""); state->cur++; - write_file(am_path(state, "next"), 1, "%d", state->cur); + write_state_count(state, "next", state->cur); } /** @@ -1125,11 +1138,11 @@ static const char *msgnum(const struct am_state *state) */ static void refresh_and_write_cache(void) { - struct lock_file *lock_file = xcalloc(1, sizeof(struct lock_file)); + struct lock_file lock_file = LOCK_INIT; - hold_locked_index(lock_file, 1); + hold_locked_index(&lock_file, LOCK_DIE_ON_ERROR); refresh_cache(REFRESH_QUIET); - if (write_locked_index(&the_index, lock_file, COMMIT_LOCK)) + if (write_locked_index(&the_index, &lock_file, COMMIT_LOCK)) die(_("unable to write index file")); } @@ -1141,17 +1154,17 @@ static void refresh_and_write_cache(void) */ static int index_has_changes(struct strbuf *sb) { - unsigned char head[GIT_SHA1_RAWSZ]; + struct object_id head; int i; - if (!get_sha1_tree("HEAD", head)) { + if (!get_oid_tree("HEAD", &head)) { struct diff_options opt; diff_setup(&opt); - DIFF_OPT_SET(&opt, EXIT_WITH_STATUS); + opt.flags.exit_with_status = 1; if (!sb) - DIFF_OPT_SET(&opt, QUICK); - do_diff_cache(head, &opt); + opt.flags.quick = 1; + do_diff_cache(&head, &opt); diffcore_std(&opt); for (i = 0; sb && i < diff_queued_diff.nr; i++) { if (i) @@ -1159,7 +1172,7 @@ static int index_has_changes(struct strbuf *sb) strbuf_addstr(sb, diff_queued_diff.queue[i]->two->path); } diff_flush(&opt); - return DIFF_OPT_TST(&opt, HAS_CHANGES) != 0; + return opt.flags.has_changes != 0; } else { for (i = 0; sb && i < active_nr; i++) { if (i) @@ -1190,6 +1203,18 @@ static void NORETURN die_user_resolve(const struct am_state *state) } /** + * Appends signoff to the "msg" field of the am_state. + */ +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); + append_signoff(&sb, 0, 0); + state->msg = strbuf_detach(&sb, &state->msg_len); +} + +/** * Parses `mail` using git-mailinfo, extracting its patch and authorship info. * state->msg will be set to the patch message. state->author_name, * state->author_email and state->author_date will be set to the patch author's @@ -1201,62 +1226,61 @@ static void NORETURN die_user_resolve(const struct am_state *state) static int parse_mail(struct am_state *state, const char *mail) { FILE *fp; - struct child_process cp = CHILD_PROCESS_INIT; struct strbuf sb = STRBUF_INIT; struct strbuf msg = STRBUF_INIT; struct strbuf author_name = STRBUF_INIT; struct strbuf author_date = STRBUF_INIT; struct strbuf author_email = STRBUF_INIT; int ret = 0; + struct mailinfo mi; - cp.git_cmd = 1; - cp.in = xopen(mail, O_RDONLY, 0); - cp.out = xopen(am_path(state, "info"), O_WRONLY | O_CREAT, 0777); + setup_mailinfo(&mi); - argv_array_push(&cp.args, "mailinfo"); - argv_array_push(&cp.args, state->utf8 ? "-u" : "-n"); + if (state->utf8) + mi.metainfo_charset = get_commit_output_encoding(); + else + mi.metainfo_charset = NULL; switch (state->keep) { case KEEP_FALSE: break; case KEEP_TRUE: - argv_array_push(&cp.args, "-k"); + mi.keep_subject = 1; break; case KEEP_NON_PATCH: - argv_array_push(&cp.args, "-b"); + mi.keep_non_patch_brackets_in_subject = 1; break; default: die("BUG: invalid value for state->keep"); } if (state->message_id) - argv_array_push(&cp.args, "-m"); + mi.add_message_id = 1; switch (state->scissors) { case SCISSORS_UNSET: break; case SCISSORS_FALSE: - argv_array_push(&cp.args, "--no-scissors"); + mi.use_scissors = 0; break; case SCISSORS_TRUE: - argv_array_push(&cp.args, "--scissors"); + mi.use_scissors = 1; break; default: die("BUG: invalid value for state->scissors"); } - argv_array_push(&cp.args, am_path(state, "msg")); - argv_array_push(&cp.args, am_path(state, "patch")); - - if (run_command(&cp) < 0) + 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"); - close(cp.in); - close(cp.out); + fclose(mi.input); + fclose(mi.output); /* Extract message and author information */ fp = xfopen(am_path(state, "info"), "r"); - while (!strbuf_getline(&sb, fp, '\n')) { + while (!strbuf_getline_lf(&sb, fp)) { const char *x; if (skip_prefix(sb.buf, "Subject: ", &x)) { @@ -1279,17 +1303,13 @@ 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); } strbuf_addstr(&msg, "\n\n"); - if (strbuf_read_file(&msg, am_path(state, "msg"), 0) < 0) - die_errno(_("could not read '%s'"), am_path(state, "msg")); - stripspace(&msg, 0); - - if (state->signoff) - append_signoff(&msg, 0, 0); + strbuf_addbuf(&msg, &mi.log_message); + strbuf_stripspace(&msg, 0); assert(!state->author_name); state->author_name = strbuf_detach(&author_name, NULL); @@ -1309,6 +1329,7 @@ finish: strbuf_release(&author_email); strbuf_release(&author_name); strbuf_release(&sb); + clear_mailinfo(&mi); return ret; } @@ -1316,24 +1337,21 @@ finish: * Sets commit_id to the commit hash where the mail was generated from. * Returns 0 on success, -1 on failure. */ -static int get_mail_commit_sha1(unsigned char *commit_id, const char *mail) +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(&sb, fp, '\n')) - return -1; - - if (!skip_prefix(sb.buf, "From ", &x)) - return -1; - - if (get_sha1_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; } /** @@ -1342,47 +1360,41 @@ static int get_mail_commit_sha1(unsigned char *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"); if (!msg) - die(_("unable to parse commit %s"), sha1_to_hex(commit->object.sha1)); + 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); } /** @@ -1401,8 +1413,8 @@ static void write_commit_patch(const struct am_state *state, struct commit *comm rev_info.show_root_diff = 1; rev_info.diffopt.output_format = DIFF_FORMAT_PATCH; rev_info.no_commit_id = 1; - DIFF_OPT_SET(&rev_info.diffopt, BINARY); - DIFF_OPT_SET(&rev_info.diffopt, FULL_INDEX); + rev_info.diffopt.flags.binary = 1; + rev_info.diffopt.flags.full_index = 1; rev_info.diffopt.use_color = 0; rev_info.diffopt.file = fp; rev_info.diffopt.close_file = 1; @@ -1418,14 +1430,14 @@ static void write_commit_patch(const struct am_state *state, struct commit *comm static void write_index_patch(const struct am_state *state) { struct tree *tree; - unsigned char head[GIT_SHA1_RAWSZ]; + struct object_id head; struct rev_info rev_info; FILE *fp; - if (!get_sha1_tree("HEAD", head)) - tree = lookup_tree(head); + if (!get_oid_tree("HEAD", &head)) + tree = lookup_tree(&head); else - tree = lookup_tree(EMPTY_TREE_SHA1_BIN); + tree = lookup_tree(the_hash_algo->empty_tree); fp = xfopen(am_path(state, "patch"), "w"); init_revisions(&rev_info, NULL); @@ -1453,20 +1465,19 @@ static void write_index_patch(const struct am_state *state) static int parse_mail_rebase(struct am_state *state, const char *mail) { struct commit *commit; - unsigned char commit_sha1[GIT_SHA1_RAWSZ]; + struct object_id commit_oid; - if (get_mail_commit_sha1(commit_sha1, mail) < 0) + if (get_mail_commit_oid(&commit_oid, mail) < 0) die(_("could not parse %s"), mail); - commit = lookup_commit_or_die(commit_sha1, mail); + commit = lookup_commit_or_die(&commit_oid, mail); get_commit_info(state, commit); write_commit_patch(state, commit); - hashcpy(state->orig_commit, commit_sha1); - write_file(am_path(state, "original-commit"), 1, "%s", - sha1_to_hex(commit_sha1)); + oidcpy(&state->orig_commit, &commit_oid); + write_state_text(state, "original-commit", oid_to_hex(&commit_oid)); return 0; } @@ -1477,39 +1488,58 @@ static int parse_mail_rebase(struct am_state *state, const char *mail) */ static int run_apply(const struct am_state *state, const char *index_file) { - struct child_process cp = CHILD_PROCESS_INIT; + 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; + int force_apply = 0; + int options = 0; - cp.git_cmd = 1; + if (init_apply_state(&apply_state, NULL)) + die("BUG: init_apply_state() failed"); - if (index_file) - argv_array_pushf(&cp.env_array, "GIT_INDEX_FILE=%s", index_file); + 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; } @@ -1538,15 +1568,14 @@ static int build_fake_ancestor(const struct am_state *state, const char *index_f */ static int fall_back_threeway(const struct am_state *state, const char *index_path) { - unsigned char orig_tree[GIT_SHA1_RAWSZ], his_tree[GIT_SHA1_RAWSZ], - our_tree[GIT_SHA1_RAWSZ]; - const unsigned char *bases[1] = {orig_tree}; + 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 *his_tree_name; + 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"); @@ -1554,7 +1583,7 @@ static int fall_back_threeway(const struct am_state *state, const char *index_pa 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...")); @@ -1569,8 +1598,8 @@ 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); - add_pending_sha1(&rev_info, "HEAD", our_tree, 0); + diff_opt_parse(&rev_info.diffopt, &diff_filter_str, 1, rev_info.prefix); + add_pending_oid(&rev_info, "HEAD", &our_tree, 0); diff_setup_done(&rev_info.diffopt); run_diff_index(&rev_info, 1); } @@ -1579,7 +1608,7 @@ static int fall_back_threeway(const struct am_state *state, const char *index_pa return error(_("Did you hand edit your patch?\n" "It does not apply to blobs recorded in its index.")); - if (write_index_as_tree(his_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...")); @@ -1589,7 +1618,7 @@ static int fall_back_threeway(const struct am_state *state, const char *index_pa /* * This is not so wrong. Depending on which base we picked, orig_tree - * may be wildly different from ours, but his_tree has the same set of + * may be wildly different from ours, but their_tree has the same set of * wildly different changes in parts the patch did not touch, so * recursive ends up canceling them, saying that we reverted all those * changes. @@ -1598,19 +1627,19 @@ static int fall_back_threeway(const struct am_state *state, const char *index_pa init_merge_options(&o); o.branch1 = "HEAD"; - his_tree_name = xstrfmt("%.*s", linelen(state->msg), state->msg); - o.branch2 = his_tree_name; + 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, his_tree, 1, bases, &result)) { + if (merge_recursive_generic(&o, &our_tree, &their_tree, 1, bases, &result)) { rerere(state->allow_rerere_autoupdate); - free(his_tree_name); + free(their_tree_name); return error(_("Failed to merge in the changes.")); } - free(his_tree_name); + free(their_tree_name); return 0; } @@ -1621,9 +1650,8 @@ static int fall_back_threeway(const struct am_state *state, const char *index_pa */ static void do_commit(const struct am_state *state) { - unsigned char tree[GIT_SHA1_RAWSZ], parent[GIT_SHA1_RAWSZ], - commit[GIT_SHA1_RAWSZ]; - unsigned char *ptr; + struct object_id tree, parent, commit; + const struct object_id *old_oid; struct commit_list *parents = NULL; const char *reflog_msg, *author; struct strbuf sb = STRBUF_INIT; @@ -1631,14 +1659,14 @@ static void do_commit(const struct am_state *state) if (run_hook_le(NULL, "pre-applypatch", NULL)) exit(1); - if (write_cache_as_tree(tree, 0, NULL)) + if (write_cache_as_tree(tree.hash, 0, NULL)) die(_("git write-tree failed to write a tree")); - if (!get_sha1_commit("HEAD", parent)) { - ptr = parent; - commit_list_insert(lookup_commit(parent), &parents); + if (!get_oid_commit("HEAD", &parent)) { + old_oid = &parent; + commit_list_insert(lookup_commit(&parent), &parents); } else { - ptr = NULL; + old_oid = NULL; say(state, stderr, _("applying to an empty history")); } @@ -1650,7 +1678,7 @@ static void do_commit(const struct am_state *state) setenv("GIT_COMMITTER_DATE", state->ignore_date ? "" : state->author_date, 1); - if (commit_tree(state->msg, state->msg_len, tree, parents, commit, + if (commit_tree(state->msg, state->msg_len, tree.hash, parents, commit.hash, author, state->sign_commit)) die(_("failed to write commit object")); @@ -1661,14 +1689,15 @@ static void do_commit(const struct am_state *state) strbuf_addf(&sb, "%s: %.*s", reflog_msg, linelen(state->msg), state->msg); - update_ref(sb.buf, "HEAD", commit, ptr, 0, UPDATE_REFS_DIE_ON_ERR); + update_ref(sb.buf, "HEAD", &commit, old_oid, 0, + UPDATE_REFS_DIE_ON_ERR); if (state->rebasing) { FILE *fp = xfopen(am_path(state, "rewritten"), "a"); - assert(!is_null_sha1(state->orig_commit)); - fprintf(fp, "%s ", sha1_to_hex(state->orig_commit)); - fprintf(fp, "%s\n", sha1_to_hex(commit)); + assert(!is_null_oid(&state->orig_commit)); + fprintf(fp, "%s ", oid_to_hex(&state->orig_commit)); + fprintf(fp, "%s\n", oid_to_hex(&commit)); fclose(fp); } @@ -1744,7 +1773,7 @@ static int do_interactive(struct am_state *state) if (!pager) pager = "cat"; - argv_array_push(&cp.args, pager); + prepare_pager_args(&cp, pager); argv_array_push(&cp.args, am_path(state, "patch")); run_command(&cp); } @@ -1768,7 +1797,7 @@ static void am_run(struct am_state *state, int resume) refresh_and_write_cache(); if (index_has_changes(&sb)) { - write_file(am_path(state, "dirtyindex"), 1, "t"); + write_state_bool(state, "dirtyindex", 1); die(_("Dirty index: cannot apply patches (dirty: %s)"), sb.buf); } @@ -1778,12 +1807,13 @@ static void am_run(struct am_state *state, int resume) const char *mail = am_path(state, msgnum(state)); int apply_status; + reset_ident_date(); + if (!file_exists(mail)) goto next; if (resume) { validate_resume_state(state); - resume = 0; } else { int skip; @@ -1795,6 +1825,9 @@ 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); } @@ -1845,6 +1878,10 @@ static void am_run(struct am_state *state, int resume) next: am_next(state); + + if (resume) + am_load(state); + resume = 0; } if (!is_empty_file(am_path(state, "rewritten"))) { @@ -1859,6 +1896,7 @@ next: */ if (!state->rebasing) { am_destroy(state); + close_all_packs(); run_command_v_opt(argv_gc_auto, RUN_GIT_CMD); } } @@ -1883,7 +1921,8 @@ 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); } @@ -1899,6 +1938,7 @@ static void am_resolve(struct am_state *state) next: am_next(state); + am_load(state); am_run(state, 0); } @@ -1909,15 +1949,14 @@ next: */ static int fast_forward_to(struct tree *head, struct tree *remote, int reset) { - struct lock_file *lock_file; + struct lock_file lock_file = LOCK_INIT; struct unpack_trees_options opts; struct tree_desc t[2]; if (parse_tree(head) || parse_tree(remote)) return -1; - lock_file = xcalloc(1, sizeof(struct lock_file)); - hold_locked_index(lock_file, 1); + hold_locked_index(&lock_file, LOCK_DIE_ON_ERROR); refresh_cache(REFRESH_QUIET); @@ -1933,11 +1972,45 @@ static int fast_forward_to(struct tree *head, struct tree *remote, int reset) init_tree_desc(&t[1], remote->buffer, remote->size); if (unpack_trees(2, t, &opts)) { - rollback_lock_file(lock_file); + rollback_lock_file(&lock_file); + return -1; + } + + if (write_locked_index(&the_index, &lock_file, COMMIT_LOCK)) + die(_("unable to write new index file")); + + return 0; +} + +/** + * Merges a tree into the index. The index's stat info will take precedence + * over the merged tree's. Returns 0 on success, -1 on failure. + */ +static int merge_tree(struct tree *tree) +{ + struct lock_file lock_file = LOCK_INIT; + struct unpack_trees_options opts; + struct tree_desc t[1]; + + if (parse_tree(tree)) + return -1; + + hold_locked_index(&lock_file, LOCK_DIE_ON_ERROR); + + memset(&opts, 0, sizeof(opts)); + opts.head_idx = 1; + opts.src_index = &the_index; + opts.dst_index = &the_index; + opts.merge = 1; + opts.fn = oneway_merge; + init_tree_desc(&t[0], tree->buffer, tree->size); + + if (unpack_trees(1, t, &opts)) { + rollback_lock_file(&lock_file); return -1; } - if (write_locked_index(&the_index, lock_file, COMMIT_LOCK)) + if (write_locked_index(&the_index, &lock_file, COMMIT_LOCK)) die(_("unable to write new index file")); return 0; @@ -1947,48 +2020,36 @@ static int fast_forward_to(struct tree *head, struct tree *remote, int reset) * Clean the index without touching entries that are not modified between * `head` and `remote`. */ -static int clean_index(const unsigned char *head, const unsigned char *remote) +static int clean_index(const struct object_id *head, const struct object_id *remote) { - struct lock_file *lock_file; struct tree *head_tree, *remote_tree, *index_tree; - unsigned char index[GIT_SHA1_RAWSZ]; - struct pathspec pathspec; + struct object_id index; head_tree = parse_tree_indirect(head); if (!head_tree) - return error(_("Could not parse object '%s'."), sha1_to_hex(head)); + return error(_("Could not parse object '%s'."), oid_to_hex(head)); remote_tree = parse_tree_indirect(remote); if (!remote_tree) - return error(_("Could not parse object '%s'."), sha1_to_hex(remote)); + return error(_("Could not parse object '%s'."), oid_to_hex(remote)); read_cache_unmerged(); if (fast_forward_to(head_tree, head_tree, 1)) return -1; - if (write_cache_as_tree(index, 0, NULL)) + if (write_cache_as_tree(index.hash, 0, NULL)) return -1; - index_tree = parse_tree_indirect(index); + index_tree = parse_tree_indirect(&index); if (!index_tree) - return error(_("Could not parse object '%s'."), sha1_to_hex(index)); + return error(_("Could not parse object '%s'."), oid_to_hex(&index)); if (fast_forward_to(index_tree, remote_tree, 0)) return -1; - memset(&pathspec, 0, sizeof(pathspec)); - - lock_file = xcalloc(1, sizeof(struct lock_file)); - hold_locked_index(lock_file, 1); - - if (read_tree(remote_tree, 0, &pathspec)) { - rollback_lock_file(lock_file); + if (merge_tree(remote_tree)) return -1; - } - - if (write_locked_index(&the_index, lock_file, COMMIT_LOCK)) - die(_("unable to write new index file")); remove_branch_state(); @@ -2001,11 +2062,6 @@ static int clean_index(const unsigned char *head, const unsigned char *remote) static void am_rerere_clear(void) { struct string_list merge_rr = STRING_LIST_INIT_DUP; - int fd = setup_rerere(&merge_rr, 0); - - if (fd < 0) - return; - rerere_clear(&merge_rr); string_list_clear(&merge_rr, 1); } @@ -2015,17 +2071,18 @@ static void am_rerere_clear(void) */ static void am_skip(struct am_state *state) { - unsigned char head[GIT_SHA1_RAWSZ]; + struct object_id head; am_rerere_clear(); - if (get_sha1("HEAD", head)) - hashcpy(head, EMPTY_TREE_SHA1_BIN); + if (get_oid("HEAD", &head)) + hashcpy(head.hash, EMPTY_TREE_SHA1_BIN); - if (clean_index(head, head)) + if (clean_index(&head, &head)) die(_("failed to clean index")); am_next(state); + am_load(state); am_run(state, 0); } @@ -2039,24 +2096,25 @@ static void am_skip(struct am_state *state) static int safe_to_abort(const struct am_state *state) { struct strbuf sb = STRBUF_INIT; - unsigned char abort_safety[GIT_SHA1_RAWSZ], head[GIT_SHA1_RAWSZ]; + struct object_id abort_safety, head; if (file_exists(am_path(state, "dirtyindex"))) return 0; if (read_state_file(&sb, state, "abort-safety", 1) > 0) { - if (get_sha1_hex(sb.buf, abort_safety)) - die(_("could not parse %s"), am_path(state, "abort_safety")); + if (get_oid_hex(sb.buf, &abort_safety)) + die(_("could not parse %s"), am_path(state, "abort-safety")); } else - hashclr(abort_safety); + oidclr(&abort_safety); + strbuf_release(&sb); - if (get_sha1("HEAD", head)) - hashclr(head); + if (get_oid("HEAD", &head)) + oidclr(&head); - if (!hashcmp(head, abort_safety)) + if (!oidcmp(&head, &abort_safety)) return 1; - error(_("You seem to have moved HEAD since the last 'am' failure.\n" + warning(_("You seem to have moved HEAD since the last 'am' failure.\n" "Not rewinding to ORIG_HEAD")); return 0; @@ -2067,7 +2125,7 @@ static int safe_to_abort(const struct am_state *state) */ static void am_abort(struct am_state *state) { - unsigned char curr_head[GIT_SHA1_RAWSZ], orig_head[GIT_SHA1_RAWSZ]; + struct object_id curr_head, orig_head; int has_curr_head, has_orig_head; char *curr_branch; @@ -2078,23 +2136,23 @@ static void am_abort(struct am_state *state) am_rerere_clear(); - curr_branch = resolve_refdup("HEAD", 0, curr_head, NULL); - has_curr_head = !is_null_sha1(curr_head); + curr_branch = resolve_refdup("HEAD", 0, &curr_head, NULL); + has_curr_head = curr_branch && !is_null_oid(&curr_head); if (!has_curr_head) - hashcpy(curr_head, EMPTY_TREE_SHA1_BIN); + hashcpy(curr_head.hash, EMPTY_TREE_SHA1_BIN); - has_orig_head = !get_sha1("ORIG_HEAD", orig_head); + has_orig_head = !get_oid("ORIG_HEAD", &orig_head); if (!has_orig_head) - hashcpy(orig_head, EMPTY_TREE_SHA1_BIN); + hashcpy(orig_head.hash, EMPTY_TREE_SHA1_BIN); - clean_index(curr_head, orig_head); + clean_index(&curr_head, &orig_head); if (has_orig_head) - update_ref("am --abort", "HEAD", orig_head, - has_curr_head ? curr_head : NULL, 0, - UPDATE_REFS_DIE_ON_ERR); + update_ref("am --abort", "HEAD", &orig_head, + 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_NO_DEREF); free(curr_branch); am_destroy(state); @@ -2116,6 +2174,8 @@ static int parse_opt_patchformat(const struct option *opt, const char *arg, int *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; @@ -2129,6 +2189,17 @@ enum resume_mode { RESUME_ABORT }; +static int git_am_config(const char *k, const char *v, void *cb) +{ + int status; + + status = git_gpg_config(k, v, NULL); + if (status) + return status; + + return git_default_config(k, v, NULL); +} + int cmd_am(int argc, const char **argv, const char *prefix) { struct am_state state; @@ -2136,10 +2207,11 @@ int cmd_am(int argc, const char **argv, const char *prefix) int keep_cr = -1; int patch_format = PATCH_FORMAT_UNKNOWN; enum resume_mode resume = RESUME_FALSE; + int in_progress; const char * const usage[] = { - N_("git am [options] [(<mbox>|<Maildir>)...]"), - N_("git am [options] (--continue | --skip | --abort)"), + N_("git am [<options>] [(<mbox> | <Maildir>)...]"), + N_("git am [<options>] (--continue | --skip | --abort)"), NULL }; @@ -2147,12 +2219,13 @@ int cmd_am(int argc, const char **argv, const char *prefix) OPT_BOOL('i', "interactive", &state.interactive, N_("run interactively")), OPT_HIDDEN_BOOL('b', "binary", &binary, - N_("(historical option -- no-op")), + N_("historical option -- no-op")), OPT_BOOL('3', "3way", &state.threeway, N_("allow fall back on 3way merging if needed")), OPT__QUIET(&state.quiet, N_("be quiet")), - OPT_BOOL('s', "signoff", &state.signoff, - N_("add a Signed-off-by line to the commit message")), + OPT_SET_INT('s', "signoff", &state.signoff, + N_("add a Signed-off-by line to the commit message"), + SIGNOFF_EXPLICIT), OPT_BOOL('u', "utf8", &state.utf8, N_("recode into utf8 (default)")), OPT_SET_INT('k', "keep", &state.keep, @@ -2227,9 +2300,16 @@ int cmd_am(int argc, const char **argv, const char *prefix) OPT_END() }; - git_config(git_default_config, NULL); + 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) + am_load(&state); argc = parse_options(argc, argv, prefix, options, usage, 0); @@ -2243,7 +2323,7 @@ int cmd_am(int argc, const char **argv, const char *prefix) if (read_index_preload(&the_index, NULL) < 0) die(_("failed to read the index")); - if (am_in_progress(&state)) { + if (in_progress) { /* * Catch user error to feed us patches when there is a session * in progress: @@ -2262,7 +2342,8 @@ int cmd_am(int argc, const char **argv, const char *prefix) if (resume == RESUME_FALSE) resume = RESUME_APPLY; - am_load(&state); + if (state.signoff == SIGNOFF_EXPLICIT) + am_append_signoff(&state); } else { struct argv_array paths = ARGV_ARRAY_INIT; int i; |