#include "sequencer.h"
#include "revision.h"
#include "merge-recursive.h"
+#include "revision.h"
+#include "log-tree.h"
+#include "notes-utils.h"
+#include "rerere.h"
+#include "prompt.h"
/**
* Returns 1 if the file is empty or does not exist, 0 otherwise.
return strchrnul(msg, '\n') - msg;
}
+/**
+ * Returns true if `str` consists of only whitespace, false otherwise.
+ */
+static int str_isspace(const char *str)
+{
+ for (; *str; str++)
+ if (!isspace(*str))
+ return 0;
+
+ return 1;
+}
+
enum patch_format {
PATCH_FORMAT_UNKNOWN = 0,
- PATCH_FORMAT_MBOX
+ PATCH_FORMAT_MBOX,
+ PATCH_FORMAT_STGIT,
+ PATCH_FORMAT_STGIT_SERIES,
+ PATCH_FORMAT_HG
+};
+
+enum keep_type {
+ KEEP_FALSE = 0,
+ KEEP_TRUE, /* pass -k flag to git-mailinfo */
+ KEEP_NON_PATCH /* pass -b flag to git-mailinfo */
+};
+
+enum scissors_type {
+ SCISSORS_UNSET = -1,
+ SCISSORS_FALSE = 0, /* pass --no-scissors to git-mailinfo */
+ SCISSORS_TRUE /* pass --scissors to git-mailinfo */
};
struct am_state {
char *msg;
size_t msg_len;
+ /* when --rebasing, records the original commit the patch came from */
+ unsigned char orig_commit[GIT_SHA1_RAWSZ];
+
/* number of digits in patch filename */
int prec;
/* various operating modes and command line options */
+ int interactive;
int threeway;
int quiet;
int signoff;
+ int utf8;
+ int keep; /* enum keep_type */
+ int message_id;
+ int scissors; /* enum scissors_type */
+ struct argv_array git_apply_opts;
const char *resolvemsg;
+ int committer_date_is_author_date;
+ int ignore_date;
+ int allow_rerere_autoupdate;
+ const char *sign_commit;
+ int rebasing;
};
/**
*/
static void am_state_init(struct am_state *state, const char *dir)
{
+ int gpgsign;
+
memset(state, 0, sizeof(*state));
assert(dir);
state->dir = xstrdup(dir);
state->prec = 4;
+
+ git_config_get_bool("am.threeway", &state->threeway);
+
+ state->utf8 = 1;
+
+ git_config_get_bool("am.messageid", &state->message_id);
+
+ state->scissors = SCISSORS_UNSET;
+
+ argv_array_init(&state->git_apply_opts);
+
+ if (!git_config_get_bool("commit.gpgsign", &gpgsign))
+ state->sign_commit = gpgsign ? "" : NULL;
}
/**
free(state->author_email);
free(state->author_date);
free(state->msg);
+ argv_array_clear(&state->git_apply_opts);
}
/**
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)
+ die(_("could not parse %s"), am_path(state, "original-commit"));
+
read_state_file(&sb, state, "threeway", 1);
state->threeway = !strcmp(sb.buf, "t");
read_state_file(&sb, state, "sign", 1);
state->signoff = !strcmp(sb.buf, "t");
+ read_state_file(&sb, state, "utf8", 1);
+ state->utf8 = !strcmp(sb.buf, "t");
+
+ read_state_file(&sb, state, "keep", 1);
+ if (!strcmp(sb.buf, "t"))
+ state->keep = KEEP_TRUE;
+ else if (!strcmp(sb.buf, "b"))
+ state->keep = KEEP_NON_PATCH;
+ else
+ state->keep = KEEP_FALSE;
+
+ read_state_file(&sb, state, "messageid", 1);
+ state->message_id = !strcmp(sb.buf, "t");
+
+ read_state_file(&sb, state, "scissors", 1);
+ if (!strcmp(sb.buf, "t"))
+ state->scissors = SCISSORS_TRUE;
+ else if (!strcmp(sb.buf, "f"))
+ state->scissors = SCISSORS_FALSE;
+ else
+ state->scissors = SCISSORS_UNSET;
+
+ read_state_file(&sb, state, "apply-opt", 1);
+ argv_array_clear(&state->git_apply_opts);
+ if (sq_dequote_to_argv_array(sb.buf, &state->git_apply_opts) < 0)
+ die(_("could not parse %s"), am_path(state, "apply-opt"));
+
+ state->rebasing = !!file_exists(am_path(state, "rebasing"));
+
strbuf_release(&sb);
}
strbuf_release(&sb);
}
+/**
+ * Runs applypatch-msg hook. Returns its exit code.
+ */
+static int run_applypatch_msg_hook(struct am_state *state)
+{
+ int ret;
+
+ assert(state->msg);
+ ret = run_hook_le(NULL, "applypatch-msg", am_path(state, "final-commit"), NULL);
+
+ if (!ret) {
+ free(state->msg);
+ state->msg = NULL;
+ if (read_commit_msg(state) < 0)
+ die(_("'%s' was deleted by the applypatch-msg hook"),
+ am_path(state, "final-commit"));
+ }
+
+ return ret;
+}
+
+/**
+ * Runs post-rewrite hook. Returns it exit code.
+ */
+static int run_post_rewrite_hook(const struct am_state *state)
+{
+ struct child_process cp = CHILD_PROCESS_INIT;
+ const char *hook = find_hook("post-rewrite");
+ int ret;
+
+ if (!hook)
+ return 0;
+
+ argv_array_push(&cp.args, hook);
+ argv_array_push(&cp.args, "rebase");
+
+ cp.in = xopen(am_path(state, "rewritten"), O_RDONLY);
+ cp.stdout_to_stderr = 1;
+
+ ret = run_command(&cp);
+
+ close(cp.in);
+ return ret;
+}
+
+/**
+ * Reads the state directory's "rewritten" file, and copies notes from the old
+ * commits listed in the file to their rewritten commits.
+ *
+ * Returns 0 on success, -1 on failure.
+ */
+static int copy_notes_for_rebase(const struct am_state *state)
+{
+ struct notes_rewrite_cfg *c;
+ struct strbuf sb = STRBUF_INIT;
+ const char *invalid_line = _("Malformed input line: '%s'.");
+ const char *msg = "Notes added by 'git rebase'";
+ FILE *fp;
+ int ret = 0;
+
+ assert(state->rebasing);
+
+ c = init_copy_notes_for_rewrite("rebase");
+ if (!c)
+ return 0;
+
+ 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];
+
+ if (sb.len != GIT_SHA1_HEXSZ * 2 + 1) {
+ ret = error(invalid_line, sb.buf);
+ goto finish;
+ }
+
+ if (get_sha1_hex(sb.buf, from_obj)) {
+ ret = error(invalid_line, sb.buf);
+ goto finish;
+ }
+
+ if (sb.buf[GIT_SHA1_HEXSZ] != ' ') {
+ ret = error(invalid_line, sb.buf);
+ goto finish;
+ }
+
+ if (get_sha1_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))
+ ret = error(_("Failed to copy notes from '%s' to '%s'"),
+ sha1_to_hex(from_obj), sha1_to_hex(to_obj));
+ }
+
+finish:
+ finish_copy_notes_for_rewrite(c, msg);
+ fclose(fp);
+ strbuf_release(&sb);
+ return ret;
+}
+
/**
* Determines if the file looks like a piece of RFC2822 mail by grabbing all
* non-indented lines and checking if they look like they begin with valid
{
enum patch_format ret = PATCH_FORMAT_UNKNOWN;
struct strbuf l1 = STRBUF_INIT;
+ struct strbuf l2 = STRBUF_INIT;
+ struct strbuf l3 = STRBUF_INIT;
FILE *fp;
/*
goto done;
}
+ if (starts_with(l1.buf, "# This series applies on GIT commit")) {
+ ret = PATCH_FORMAT_STGIT_SERIES;
+ goto done;
+ }
+
+ if (!strcmp(l1.buf, "# HG changeset patch")) {
+ ret = PATCH_FORMAT_HG;
+ goto done;
+ }
+
+ strbuf_reset(&l2);
+ strbuf_getline_crlf(&l2, fp);
+ strbuf_reset(&l3);
+ strbuf_getline_crlf(&l3, fp);
+
+ /*
+ * If the second line is empty and the third is a From, Author or Date
+ * entry, this is likely an StGit patch.
+ */
+ if (l1.len && !l2.len &&
+ (starts_with(l3.buf, "From:") ||
+ starts_with(l3.buf, "Author:") ||
+ starts_with(l3.buf, "Date:"))) {
+ ret = PATCH_FORMAT_STGIT;
+ goto done;
+ }
+
if (l1.len && is_mail(fp)) {
ret = PATCH_FORMAT_MBOX;
goto 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)
+static int split_mail_mbox(struct am_state *state, const char **paths, int keep_cr)
{
struct child_process cp = CHILD_PROCESS_INIT;
struct strbuf last = STRBUF_INIT;
argv_array_pushf(&cp.args, "-d%d", state->prec);
argv_array_pushf(&cp.args, "-o%s", state->dir);
argv_array_push(&cp.args, "-b");
+ if (keep_cr)
+ argv_array_push(&cp.args, "--keep-cr");
argv_array_push(&cp.args, "--");
argv_array_pushv(&cp.args, paths);
return 0;
}
+/**
+ * Callback signature for split_mail_conv(). The foreign patch should be
+ * read from `in`, and the converted patch (in RFC2822 mail format) should be
+ * written to `out`. Return 0 on success, or -1 on failure.
+ */
+typedef int (*mail_conv_fn)(FILE *out, FILE *in, int keep_cr);
+
+/**
+ * Calls `fn` for each file in `paths` to convert the foreign patch to the
+ * RFC2822 mail format suitable for parsing with git-mailinfo.
+ *
+ * Returns 0 on success, -1 on failure.
+ */
+static int split_mail_conv(mail_conv_fn fn, struct am_state *state,
+ const char **paths, int keep_cr)
+{
+ static const char *stdin_only[] = {"-", NULL};
+ int i;
+
+ if (!*paths)
+ paths = stdin_only;
+
+ for (i = 0; *paths; paths++, i++) {
+ FILE *in, *out;
+ const char *mail;
+ int ret;
+
+ if (!strcmp(*paths, "-"))
+ in = stdin;
+ else
+ in = fopen(*paths, "r");
+
+ if (!in)
+ return error(_("could not open '%s' for reading: %s"),
+ *paths, strerror(errno));
+
+ 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));
+
+ ret = fn(out, in, keep_cr);
+
+ fclose(out);
+ fclose(in);
+
+ if (ret)
+ return error(_("could not parse patch '%s'"), *paths);
+ }
+
+ state->cur = 1;
+ state->last = i;
+ return 0;
+}
+
+/**
+ * A split_mail_conv() callback that converts an StGit patch to an RFC2822
+ * message suitable for parsing with git-mailinfo.
+ */
+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')) {
+ const char *str;
+
+ if (str_isspace(sb.buf))
+ continue;
+ else if (skip_prefix(sb.buf, "Author:", &str))
+ fprintf(out, "From:%s\n", str);
+ else if (starts_with(sb.buf, "From") || starts_with(sb.buf, "Date"))
+ fprintf(out, "%s\n", sb.buf);
+ else if (!subject_printed) {
+ fprintf(out, "Subject: %s\n", sb.buf);
+ subject_printed = 1;
+ } else {
+ fprintf(out, "\n%s\n", sb.buf);
+ break;
+ }
+ }
+
+ strbuf_reset(&sb);
+ while (strbuf_fread(&sb, 8192, in) > 0) {
+ fwrite(sb.buf, 1, sb.len, out);
+ strbuf_reset(&sb);
+ }
+
+ strbuf_release(&sb);
+ return 0;
+}
+
+/**
+ * This function only supports a single StGit series file in `paths`.
+ *
+ * Given an StGit series file, converts the StGit patches in the series into
+ * RFC2822 messages suitable for parsing with git-mailinfo, and queues them in
+ * the state directory.
+ *
+ * Returns 0 on success, -1 on failure.
+ */
+static int split_mail_stgit_series(struct am_state *state, const char **paths,
+ int keep_cr)
+{
+ const char *series_dir;
+ char *series_dir_buf;
+ FILE *fp;
+ struct argv_array patches = ARGV_ARRAY_INIT;
+ struct strbuf sb = STRBUF_INIT;
+ int ret;
+
+ if (!paths[0] || paths[1])
+ return error(_("Only one StGIT patch series can be applied at once"));
+
+ series_dir_buf = xstrdup(*paths);
+ series_dir = dirname(series_dir_buf);
+
+ fp = fopen(*paths, "r");
+ if (!fp)
+ return error(_("could not open '%s' for reading: %s"), *paths,
+ strerror(errno));
+
+ while (!strbuf_getline(&sb, fp, '\n')) {
+ if (*sb.buf == '#')
+ continue; /* skip comment lines */
+
+ argv_array_push(&patches, mkpath("%s/%s", series_dir, sb.buf));
+ }
+
+ fclose(fp);
+ strbuf_release(&sb);
+ free(series_dir_buf);
+
+ ret = split_mail_conv(stgit_patch_to_mail, state, patches.argv, keep_cr);
+
+ argv_array_clear(&patches);
+ return ret;
+}
+
+/**
+ * A split_patches_conv() callback that converts a mercurial patch to a RFC2822
+ * message suitable for parsing with git-mailinfo.
+ */
+static int hg_patch_to_mail(FILE *out, FILE *in, int keep_cr)
+{
+ struct strbuf sb = STRBUF_INIT;
+
+ while (!strbuf_getline(&sb, in, '\n')) {
+ 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;
+ long tz, tz2;
+ char *end;
+
+ errno = 0;
+ timestamp = strtoul(str, &end, 10);
+ if (errno)
+ return error(_("invalid timestamp"));
+
+ if (!skip_prefix(end, " ", &str))
+ return error(_("invalid Date line"));
+
+ errno = 0;
+ tz = strtol(str, &end, 10);
+ if (errno)
+ return error(_("invalid timezone offset"));
+
+ if (*end)
+ return error(_("invalid Date line"));
+
+ /*
+ * mercurial's timezone is in seconds west of UTC,
+ * however git's timezone is in hours + minutes east of
+ * UTC. Convert it.
+ */
+ tz2 = labs(tz) / 3600 * 100 + labs(tz) % 3600 / 60;
+ if (tz > 0)
+ tz2 = -tz2;
+
+ fprintf(out, "Date: %s\n", show_date(timestamp, tz2, DATE_MODE(RFC2822)));
+ } else if (starts_with(sb.buf, "# ")) {
+ continue;
+ } else {
+ fprintf(out, "\n%s\n", sb.buf);
+ break;
+ }
+ }
+
+ strbuf_reset(&sb);
+ while (strbuf_fread(&sb, 8192, in) > 0) {
+ fwrite(sb.buf, 1, sb.len, out);
+ strbuf_reset(&sb);
+ }
+
+ strbuf_release(&sb);
+ return 0;
+}
+
/**
* Splits a list of files/directories into individual email patches. Each path
* in `paths` must be a file/directory that is formatted according to
* state->cur will be set to the index of the first mail, and state->last will
* be set to the index of the last mail.
*
+ * Set keep_cr to 0 to convert all lines ending with \r\n to end with \n, 1
+ * to disable this behavior, -1 to use the default configured setting.
+ *
* Returns 0 on success, -1 on failure.
*/
static int split_mail(struct am_state *state, enum patch_format patch_format,
- const char **paths)
+ const char **paths, int keep_cr)
{
+ if (keep_cr < 0) {
+ keep_cr = 0;
+ git_config_get_bool("am.keepcr", &keep_cr);
+ }
+
switch (patch_format) {
case PATCH_FORMAT_MBOX:
- return split_mail_mbox(state, paths);
+ return split_mail_mbox(state, paths, keep_cr);
+ 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);
default:
die("BUG: invalid patch_format");
}
* Setup a new am session for applying patches
*/
static void am_setup(struct am_state *state, enum patch_format patch_format,
- const char **paths)
+ const char **paths, int keep_cr)
{
unsigned char curr_head[GIT_SHA1_RAWSZ];
+ const char *str;
+ struct strbuf sb = STRBUF_INIT;
if (!patch_format)
patch_format = detect_patch_format(paths);
if (mkdir(state->dir, 0777) < 0 && errno != EEXIST)
die_errno(_("failed to create directory '%s'"), state->dir);
- if (split_mail(state, patch_format, paths) < 0) {
+ if (split_mail(state, patch_format, paths, keep_cr) < 0) {
am_destroy(state);
die(_("Failed to split patches."));
}
+ if (state->rebasing)
+ state->threeway = 1;
+
write_file(am_path(state, "threeway"), 1, state->threeway ? "t" : "f");
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");
+
+ switch (state->keep) {
+ case KEEP_FALSE:
+ str = "f";
+ break;
+ case KEEP_TRUE:
+ str = "t";
+ break;
+ case KEEP_NON_PATCH:
+ str = "b";
+ break;
+ default:
+ 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");
+
+ switch (state->scissors) {
+ case SCISSORS_UNSET:
+ str = "";
+ break;
+ case SCISSORS_FALSE:
+ str = "f";
+ break;
+ case SCISSORS_TRUE:
+ str = "t";
+ break;
+ default:
+ die("BUG: invalid value for state->scissors");
+ }
+
+ write_file(am_path(state, "scissors"), 1, "%s", str);
+
+ sq_quote_argv(&sb, state->git_apply_opts.argv, 0);
+ write_file(am_path(state, "apply-opt"), 1, "%s", sb.buf);
+
+ if (state->rebasing)
+ write_file(am_path(state, "rebasing"), 1, "%s", "");
+ else
+ write_file(am_path(state, "applying"), 1, "%s", "");
+
if (!get_sha1("HEAD", curr_head)) {
write_file(am_path(state, "abort-safety"), 1, "%s", sha1_to_hex(curr_head));
- update_ref("am", "ORIG_HEAD", curr_head, NULL, 0, UPDATE_REFS_DIE_ON_ERR);
+ if (!state->rebasing)
+ update_ref("am", "ORIG_HEAD", curr_head, NULL, 0,
+ UPDATE_REFS_DIE_ON_ERR);
} else {
write_file(am_path(state, "abort-safety"), 1, "%s", "");
- delete_ref("ORIG_HEAD", NULL, 0);
+ if (!state->rebasing)
+ delete_ref("ORIG_HEAD", NULL, 0);
}
/*
write_file(am_path(state, "next"), 1, "%d", state->cur);
write_file(am_path(state, "last"), 1, "%d", state->last);
+
+ strbuf_release(&sb);
}
/**
unlink(am_path(state, "author-script"));
unlink(am_path(state, "final-commit"));
+ hashclr(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));
else
if (state->resolvemsg) {
printf_ln("%s", state->resolvemsg);
} else {
- const char *cmdline = "git am";
+ const char *cmdline = state->interactive ? "git am -i" : "git am";
printf_ln(_("When you have resolved this problem, run \"%s --continue\"."), cmdline);
printf_ln(_("If you prefer to skip this patch, run \"%s --skip\" instead."), cmdline);
cp.out = xopen(am_path(state, "info"), O_WRONLY | O_CREAT, 0777);
argv_array_push(&cp.args, "mailinfo");
+ argv_array_push(&cp.args, state->utf8 ? "-u" : "-n");
+
+ switch (state->keep) {
+ case KEEP_FALSE:
+ break;
+ case KEEP_TRUE:
+ argv_array_push(&cp.args, "-k");
+ break;
+ case KEEP_NON_PATCH:
+ argv_array_push(&cp.args, "-b");
+ break;
+ default:
+ die("BUG: invalid value for state->keep");
+ }
+
+ if (state->message_id)
+ argv_array_push(&cp.args, "-m");
+
+ switch (state->scissors) {
+ case SCISSORS_UNSET:
+ break;
+ case SCISSORS_FALSE:
+ argv_array_push(&cp.args, "--no-scissors");
+ break;
+ case SCISSORS_TRUE:
+ argv_array_push(&cp.args, "--scissors");
+ 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"));
return ret;
}
+/**
+ * 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)
+{
+ struct strbuf sb = STRBUF_INIT;
+ FILE *fp = xfopen(mail, "r");
+ const char *x;
+
+ 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;
+
+ strbuf_release(&sb);
+ fclose(fp);
+ return 0;
+}
+
+/**
+ * Sets state->msg, state->author_name, state->author_email, state->author_date
+ * to the commit's respective info.
+ */
+static void get_commit_info(struct am_state *state, struct commit *commit)
+{
+ const char *buffer, *ident_line, *author_date, *msg;
+ size_t ident_len;
+ struct ident_split ident_split;
+ struct strbuf sb = STRBUF_INIT;
+
+ 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);
+ }
+
+ 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
+ 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
+ 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);
+
+ assert(!state->msg);
+ msg = strstr(buffer, "\n\n");
+ if (!msg)
+ die(_("unable to parse commit %s"), sha1_to_hex(commit->object.sha1));
+ state->msg = xstrdup(msg + 2);
+ state->msg_len = strlen(state->msg);
+}
+
+/**
+ * Writes `commit` as a patch to the state directory's "patch" file.
+ */
+static void write_commit_patch(const struct am_state *state, struct commit *commit)
+{
+ struct rev_info rev_info;
+ FILE *fp;
+
+ fp = xfopen(am_path(state, "patch"), "w");
+ init_revisions(&rev_info, NULL);
+ rev_info.diff = 1;
+ rev_info.abbrev = 0;
+ rev_info.disable_stdin = 1;
+ 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.use_color = 0;
+ rev_info.diffopt.file = fp;
+ rev_info.diffopt.close_file = 1;
+ add_pending_object(&rev_info, &commit->object, "");
+ diff_setup_done(&rev_info.diffopt);
+ log_tree_commit(&rev_info, commit);
+}
+
+/**
+ * Writes the diff of the index against HEAD as a patch to the state
+ * directory's "patch" file.
+ */
+static void write_index_patch(const struct am_state *state)
+{
+ struct tree *tree;
+ unsigned char head[GIT_SHA1_RAWSZ];
+ struct rev_info rev_info;
+ FILE *fp;
+
+ if (!get_sha1_tree("HEAD", head))
+ tree = lookup_tree(head);
+ else
+ tree = lookup_tree(EMPTY_TREE_SHA1_BIN);
+
+ fp = xfopen(am_path(state, "patch"), "w");
+ init_revisions(&rev_info, NULL);
+ rev_info.diff = 1;
+ rev_info.disable_stdin = 1;
+ rev_info.no_commit_id = 1;
+ rev_info.diffopt.output_format = DIFF_FORMAT_PATCH;
+ rev_info.diffopt.use_color = 0;
+ rev_info.diffopt.file = fp;
+ rev_info.diffopt.close_file = 1;
+ add_pending_object(&rev_info, &tree->object, "");
+ diff_setup_done(&rev_info.diffopt);
+ run_diff_index(&rev_info, 1);
+}
+
+/**
+ * Like parse_mail(), but parses the mail by looking up its commit ID
+ * directly. This is used in --rebasing mode to bypass git-mailinfo's munging
+ * of patches.
+ *
+ * state->orig_commit will be set to the original commit ID.
+ *
+ * Will always return 0 as the patch should never be skipped.
+ */
+static int parse_mail_rebase(struct am_state *state, const char *mail)
+{
+ struct commit *commit;
+ unsigned char commit_sha1[GIT_SHA1_RAWSZ];
+
+ if (get_mail_commit_sha1(commit_sha1, mail) < 0)
+ die(_("could not parse %s"), mail);
+
+ commit = lookup_commit_or_die(commit_sha1, 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));
+
+ return 0;
+}
+
/**
* Applies current patch with git-apply. Returns 0 on success, -1 otherwise. If
* `index_file` is not NULL, the patch will be applied to that index.
argv_array_push(&cp.args, "apply");
+ argv_array_pushv(&cp.args, state->git_apply_opts.argv);
+
if (index_file)
argv_array_push(&cp.args, "--cached");
else
cp.git_cmd = 1;
argv_array_push(&cp.args, "apply");
+ argv_array_pushv(&cp.args, state->git_apply_opts.argv);
argv_array_pushf(&cp.args, "--build-fake-ancestor=%s", index_file);
argv_array_push(&cp.args, am_path(state, "patch"));
o.verbosity = 0;
if (merge_recursive_generic(&o, our_tree, his_tree, 1, bases, &result)) {
+ rerere(state->allow_rerere_autoupdate);
free(his_tree_name);
return error(_("Failed to merge in the changes."));
}
const char *reflog_msg, *author;
struct strbuf sb = STRBUF_INIT;
+ if (run_hook_le(NULL, "pre-applypatch", NULL))
+ exit(1);
+
if (write_cache_as_tree(tree, 0, NULL))
die(_("git write-tree failed to write a tree"));
}
author = fmt_ident(state->author_name, state->author_email,
- state->author_date, IDENT_STRICT);
+ state->ignore_date ? NULL : state->author_date,
+ IDENT_STRICT);
+
+ if (state->committer_date_is_author_date)
+ setenv("GIT_COMMITTER_DATE",
+ state->ignore_date ? "" : state->author_date, 1);
if (commit_tree(state->msg, state->msg_len, tree, parents, commit,
- author, NULL))
+ author, state->sign_commit))
die(_("failed to write commit object"));
reflog_msg = getenv("GIT_REFLOG_ACTION");
update_ref(sb.buf, "HEAD", commit, ptr, 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));
+ fclose(fp);
+ }
+
+ run_hook_le(NULL, "post-applypatch", NULL);
+
strbuf_release(&sb);
}
am_path(state, "author-script"));
}
+/**
+ * Interactively prompt the user on whether the current patch should be
+ * applied.
+ *
+ * Returns 0 if the user chooses to apply the patch, 1 if the user chooses to
+ * skip it.
+ */
+static int do_interactive(struct am_state *state)
+{
+ assert(state->msg);
+
+ if (!isatty(0))
+ die(_("cannot be interactive without stdin connected to a terminal."));
+
+ for (;;) {
+ const char *reply;
+
+ puts(_("Commit Body is:"));
+ puts("--------------------------");
+ printf("%s", state->msg);
+ puts("--------------------------");
+
+ /*
+ * TRANSLATORS: Make sure to include [y], [n], [e], [v] and [a]
+ * in your translation. The program will only accept English
+ * input at this point.
+ */
+ reply = git_prompt(_("Apply? [y]es/[n]o/[e]dit/[v]iew patch/[a]ccept all: "), PROMPT_ECHO);
+
+ if (!reply) {
+ continue;
+ } else if (*reply == 'y' || *reply == 'Y') {
+ return 0;
+ } else if (*reply == 'a' || *reply == 'A') {
+ state->interactive = 0;
+ return 0;
+ } else if (*reply == 'n' || *reply == 'N') {
+ return 1;
+ } else if (*reply == 'e' || *reply == 'E') {
+ struct strbuf msg = STRBUF_INIT;
+
+ if (!launch_editor(am_path(state, "final-commit"), &msg, NULL)) {
+ free(state->msg);
+ state->msg = strbuf_detach(&msg, &state->msg_len);
+ }
+ strbuf_release(&msg);
+ } else if (*reply == 'v' || *reply == 'V') {
+ const char *pager = git_pager(1);
+ struct child_process cp = CHILD_PROCESS_INIT;
+
+ if (!pager)
+ pager = "cat";
+ argv_array_push(&cp.args, pager);
+ argv_array_push(&cp.args, am_path(state, "patch"));
+ run_command(&cp);
+ }
+ }
+}
+
/**
* Applies all queued mail.
*
validate_resume_state(state);
resume = 0;
} else {
- if (parse_mail(state, mail))
+ int skip;
+
+ if (state->rebasing)
+ skip = parse_mail_rebase(state, mail);
+ else
+ skip = parse_mail(state, mail);
+
+ if (skip)
goto next; /* mail should be skipped */
write_author_script(state);
write_commit_msg(state);
}
+ if (state->interactive && do_interactive(state))
+ goto next;
+
+ if (run_applypatch_msg_hook(state))
+ exit(1);
+
say(state, stdout, _("Applying: %.*s"), linelen(state->msg), state->msg);
apply_status = run_apply(state, NULL);
am_next(state);
}
- am_destroy(state);
- run_command_v_opt(argv_gc_auto, RUN_GIT_CMD);
+ if (!is_empty_file(am_path(state, "rewritten"))) {
+ assert(state->rebasing);
+ copy_notes_for_rebase(state);
+ run_post_rewrite_hook(state);
+ }
+
+ /*
+ * In rebasing mode, it's up to the caller to take care of
+ * housekeeping.
+ */
+ if (!state->rebasing) {
+ am_destroy(state);
+ run_command_v_opt(argv_gc_auto, RUN_GIT_CMD);
+ }
}
/**
die_user_resolve(state);
}
+ if (state->interactive) {
+ write_index_patch(state);
+ if (do_interactive(state))
+ goto next;
+ }
+
+ rerere(0);
+
do_commit(state);
+next:
am_next(state);
am_run(state, 0);
}
return 0;
}
+/**
+ * Resets rerere's merge resolution metadata.
+ */
+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);
+}
+
/**
* Resume the current am session by skipping the current patch.
*/
{
unsigned char head[GIT_SHA1_RAWSZ];
+ am_rerere_clear();
+
if (get_sha1("HEAD", head))
hashcpy(head, EMPTY_TREE_SHA1_BIN);
return;
}
+ am_rerere_clear();
+
curr_branch = resolve_refdup("HEAD", 0, curr_head, NULL);
has_curr_head = !is_null_sha1(curr_head);
if (!has_curr_head)
if (!strcmp(arg, "mbox"))
*opt_value = PATCH_FORMAT_MBOX;
+ else if (!strcmp(arg, "stgit"))
+ *opt_value = PATCH_FORMAT_STGIT;
+ else if (!strcmp(arg, "stgit-series"))
+ *opt_value = PATCH_FORMAT_STGIT_SERIES;
+ else if (!strcmp(arg, "hg"))
+ *opt_value = PATCH_FORMAT_HG;
else
return error(_("Invalid value for --patch-format: %s"), arg);
return 0;
int cmd_am(int argc, const char **argv, const char *prefix)
{
struct am_state state;
+ int binary = -1;
+ int keep_cr = -1;
int patch_format = PATCH_FORMAT_UNKNOWN;
enum resume_mode resume = RESUME_FALSE;
};
struct option options[] = {
+ OPT_BOOL('i', "interactive", &state.interactive,
+ N_("run interactively")),
+ OPT_HIDDEN_BOOL('b', "binary", &binary,
+ 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_BOOL('u', "utf8", &state.utf8,
+ N_("recode into utf8 (default)")),
+ OPT_SET_INT('k', "keep", &state.keep,
+ N_("pass -k flag to git-mailinfo"), KEEP_TRUE),
+ OPT_SET_INT(0, "keep-non-patch", &state.keep,
+ N_("pass -b flag to git-mailinfo"), KEEP_NON_PATCH),
+ OPT_BOOL('m', "message-id", &state.message_id,
+ N_("pass -m flag to git-mailinfo")),
+ { OPTION_SET_INT, 0, "keep-cr", &keep_cr, NULL,
+ N_("pass --keep-cr flag to git-mailsplit for mbox format"),
+ PARSE_OPT_NOARG | PARSE_OPT_NONEG, NULL, 1},
+ { OPTION_SET_INT, 0, "no-keep-cr", &keep_cr, NULL,
+ N_("do not pass --keep-cr flag to git-mailsplit independent of am.keepcr"),
+ PARSE_OPT_NOARG | PARSE_OPT_NONEG, NULL, 0},
+ OPT_BOOL('c', "scissors", &state.scissors,
+ N_("strip everything before a scissors line")),
+ OPT_PASSTHRU_ARGV(0, "whitespace", &state.git_apply_opts, N_("action"),
+ N_("pass it through git-apply"),
+ 0),
+ OPT_PASSTHRU_ARGV(0, "ignore-space-change", &state.git_apply_opts, NULL,
+ N_("pass it through git-apply"),
+ PARSE_OPT_NOARG),
+ OPT_PASSTHRU_ARGV(0, "ignore-whitespace", &state.git_apply_opts, NULL,
+ N_("pass it through git-apply"),
+ PARSE_OPT_NOARG),
+ OPT_PASSTHRU_ARGV(0, "directory", &state.git_apply_opts, N_("root"),
+ N_("pass it through git-apply"),
+ 0),
+ OPT_PASSTHRU_ARGV(0, "exclude", &state.git_apply_opts, N_("path"),
+ N_("pass it through git-apply"),
+ 0),
+ OPT_PASSTHRU_ARGV(0, "include", &state.git_apply_opts, N_("path"),
+ N_("pass it through git-apply"),
+ 0),
+ OPT_PASSTHRU_ARGV('C', NULL, &state.git_apply_opts, N_("n"),
+ N_("pass it through git-apply"),
+ 0),
+ OPT_PASSTHRU_ARGV('p', NULL, &state.git_apply_opts, N_("num"),
+ N_("pass it through git-apply"),
+ 0),
OPT_CALLBACK(0, "patch-format", &patch_format, N_("format"),
N_("format the patch(es) are in"),
parse_opt_patchformat),
+ OPT_PASSTHRU_ARGV(0, "reject", &state.git_apply_opts, NULL,
+ N_("pass it through git-apply"),
+ PARSE_OPT_NOARG),
OPT_STRING(0, "resolvemsg", &state.resolvemsg, NULL,
N_("override error message when patch failure occurs")),
OPT_CMDMODE(0, "continue", &resume,
OPT_CMDMODE(0, "abort", &resume,
N_("restore the original branch and abort the patching operation."),
RESUME_ABORT),
+ OPT_BOOL(0, "committer-date-is-author-date",
+ &state.committer_date_is_author_date,
+ N_("lie about committer date")),
+ OPT_BOOL(0, "ignore-date", &state.ignore_date,
+ N_("use current timestamp for author date")),
+ OPT_RERERE_AUTOUPDATE(&state.allow_rerere_autoupdate),
+ { OPTION_STRING, 'S', "gpg-sign", &state.sign_commit, N_("key-id"),
+ N_("GPG-sign commits"),
+ PARSE_OPT_OPTARG, NULL, (intptr_t) "" },
+ OPT_HIDDEN_BOOL(0, "rebasing", &state.rebasing,
+ N_("(internal use for git-rebase)")),
OPT_END()
};
- /*
- * NEEDSWORK: Once all the features of git-am.sh have been
- * re-implemented in builtin/am.c, this preamble can be removed.
- */
- if (!getenv("_GIT_USE_BUILTIN_AM")) {
- const char *path = mkpath("%s/git-am", git_exec_path());
-
- if (sane_execvp(path, (char **)argv) < 0)
- die_errno("could not exec %s", path);
- } else {
- prefix = setup_git_directory();
- trace_repo_setup(prefix);
- setup_work_tree();
- }
-
git_config(git_default_config, NULL);
am_state_init(&state, git_path("rebase-apply"));
argc = parse_options(argc, argv, prefix, options, usage, 0);
+ if (binary >= 0)
+ fprintf_ln(stderr, _("The -b/--binary option has been a no-op for long time, and\n"
+ "it will be removed. Please do not use it anymore."));
+
+ /* Ensure a valid committer ident can be constructed */
+ git_committer_info(IDENT_STRICT);
+
if (read_index_preload(&the_index, NULL) < 0)
die(_("failed to read the index"));
struct argv_array paths = ARGV_ARRAY_INIT;
int i;
+ /*
+ * Handle stray state directory in the independent-run case. In
+ * the --rebasing case, it is up to the caller to take care of
+ * stray directories.
+ */
+ if (file_exists(state.dir) && !state.rebasing) {
+ if (resume == RESUME_ABORT) {
+ am_destroy(&state);
+ am_state_release(&state);
+ return 0;
+ }
+
+ die(_("Stray %s directory found.\n"
+ "Use \"git am --abort\" to remove it."),
+ state.dir);
+ }
+
if (resume)
die(_("Resolve operation not in progress, we are not resuming."));
argv_array_push(&paths, mkpath("%s/%s", prefix, argv[i]));
}
- am_setup(&state, patch_format, paths.argv);
+ am_setup(&state, patch_format, paths.argv, keep_cr);
argv_array_clear(&paths);
}