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Merge branch 'jk/write-file'

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General code clean-up around a helper function to write a
single-liner to a file.

* jk/write-file:
  branch: use write_file_buf instead of write_file
  use write_file_buf where applicable
  write_file: add format attribute
  write_file: add pointer+len variant
  write_file: use xopen
  write_file: drop "gently" form
  branch: use non-gentle write_file for branch description
  am: ignore return value of write_file()
  config: fix bogus fd check when setting up default config
This commit is contained in:
Junio C Hamano
2016-07-19 13:22:23 -07:00
parent 96e08010ee 7eb6e10c9d
commit 2b6456b808
6 changed files with 51 additions and 109 deletions
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45
builtin/merge.c
View File

@ -336,15 +336,9 @@ static void squash_message(struct commit *commit, struct commit_list *remotehead
struct rev_info rev;
struct strbuf out = STRBUF_INIT;
struct commit_list *j;
const char *filename;
int fd;
struct pretty_print_context ctx = {0};
printf(_("Squash commit -- not updating HEAD\n"));
filename = git_path_squash_msg();
fd = open(filename, O_WRONLY | O_CREAT, 0666);
if (fd < 0)
die_errno(_("Could not write to '%s'"), filename);
init_revisions(&rev, NULL);
rev.ignore_merges = 1;
@ -371,10 +365,7 @@ static void squash_message(struct commit *commit, struct commit_list *remotehead
oid_to_hex(&commit->object.oid));
pretty_print_commit(&ctx, commit, &out);
}
if (write_in_full(fd, out.buf, out.len) != out.len)
die_errno(_("Writing SQUASH_MSG"));
if (close(fd))
die_errno(_("Finishing SQUASH_MSG"));
write_file_buf(git_path_squash_msg(), out.buf, out.len);
strbuf_release(&out);
}
@ -756,18 +747,6 @@ static void add_strategies(const char *string, unsigned attr)
}
static void write_merge_msg(struct strbuf *msg)
{
const char *filename = git_path_merge_msg();
int fd = open(filename, O_WRONLY | O_CREAT, 0666);
if (fd < 0)
die_errno(_("Could not open '%s' for writing"),
filename);
if (write_in_full(fd, msg->buf, msg->len) != msg->len)
die_errno(_("Could not write to '%s'"), filename);
close(fd);
}
static void read_merge_msg(struct strbuf *msg)
{
const char *filename = git_path_merge_msg();
@ -801,7 +780,7 @@ static void prepare_to_commit(struct commit_list *remoteheads)
strbuf_addch(&msg, '\n');
if (0 < option_edit)
strbuf_commented_addf(&msg, _(merge_editor_comment), comment_line_char);
write_merge_msg(&msg);
write_file_buf(git_path_merge_msg(), msg.buf, msg.len);
if (run_commit_hook(0 < option_edit, get_index_file(), "prepare-commit-msg",
git_path_merge_msg(), "merge", NULL))
abort_commit(remoteheads, NULL);
@ -964,8 +943,6 @@ static int setup_with_upstream(const char ***argv)
static void write_merge_state(struct commit_list *remoteheads)
{
const char *filename;
int fd;
struct commit_list *j;
struct strbuf buf = STRBUF_INIT;
@ -979,26 +956,14 @@ static void write_merge_state(struct commit_list *remoteheads)
}
strbuf_addf(&buf, "%s\n", oid_to_hex(oid));
}
filename = git_path_merge_head();
fd = open(filename, O_WRONLY | O_CREAT, 0666);
if (fd < 0)
die_errno(_("Could not open '%s' for writing"), filename);
if (write_in_full(fd, buf.buf, buf.len) != buf.len)
die_errno(_("Could not write to '%s'"), filename);
close(fd);
write_file_buf(git_path_merge_head(), buf.buf, buf.len);
strbuf_addch(&merge_msg, '\n');
write_merge_msg(&merge_msg);
write_file_buf(git_path_merge_msg(), merge_msg.buf, merge_msg.len);
filename = git_path_merge_mode();
fd = open(filename, O_WRONLY | O_CREAT | O_TRUNC, 0666);
if (fd < 0)
die_errno(_("Could not open '%s' for writing"), filename);
strbuf_reset(&buf);
if (fast_forward == FF_NO)
strbuf_addf(&buf, "no-ff");
if (write_in_full(fd, buf.buf, buf.len) != buf.len)
die_errno(_("Could not write to '%s'"), filename);
close(fd);
write_file_buf(git_path_merge_mode(), buf.buf, buf.len);
}
static int default_edit_option(void)