sequencer (rebase -i): refactor setting the reflog message

This makes the code DRYer, with the obvious benefit that we can enhance the code further in a single place. We can also reuse the functionality elsewhere by calling this new function. Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de> Signed-off-by: Junio C Hamano <gitster@pobox.com>

Johannes Schindelin committed Jan 2, 2017 at 16:28 UTC 96e832a5fd6a97f8d40d89d4c1e97e7e3534edf0
1 file changed +26 -7
sequencer.c
+26 -7
@@ -1743,6 +1743,26 @@ static int is_final_fixup(struct todo_list *todo_list)
1743 return 1;
1744 }
1745
1746 +static const char *reflog_message(struct replay_opts *opts,
1747 + const char *sub_action, const char *fmt, ...)
1748 +{
1749 + va_list ap;
1750 + static struct strbuf buf = STRBUF_INIT;
1751 +
1752 + va_start(ap, fmt);
1753 + strbuf_reset(&buf);
1754 + strbuf_addstr(&buf, action_name(opts));
1755 + if (sub_action)
1756 + strbuf_addf(&buf, " (%s)", sub_action);
1757 + if (fmt) {
1758 + strbuf_addstr(&buf, ": ");
1759 + strbuf_vaddf(&buf, fmt, ap);
1760 + }
1761 + va_end(ap);
1762 +
1763 + return buf.buf;
1764 +}
1765 +
1766 static int pick_commits(struct todo_list *todo_list, struct replay_opts *opts)
1767 {
1768 int res = 0;
@@ -1810,6 +1830,7 @@ static int pick_commits(struct todo_list *todo_list, struct replay_opts *opts)
1830
1831 if (read_oneliner(&head_ref, rebase_path_head_name(), 0) &&
1832 starts_with(head_ref.buf, "refs/")) {
1833 + const char *msg;
1834 unsigned char head[20], orig[20];
1835 int res;
1836
@@ -1825,23 +1846,21 @@ cleanup_head_ref:
1846 res = error(_("could not read orig-head"));
1847 goto cleanup_head_ref;
1848 }
1828 - strbuf_addf(&buf, "rebase -i (finish): %s onto ",
1829 - head_ref.buf);
1849 if (!read_oneliner(&buf, rebase_path_onto(), 0)) {
1850 res = error(_("could not read 'onto'"));
1851 goto cleanup_head_ref;
1852 }
1834 - if (update_ref(buf.buf, head_ref.buf, head, orig,
1853 + msg = reflog_message(opts, "finish", "%s onto %s",
1854 + head_ref.buf, buf.buf);
1855 + if (update_ref(msg, head_ref.buf, head, orig,
1856 REF_NODEREF, UPDATE_REFS_MSG_ON_ERR)) {
1857 res = error(_("could not update %s"),
1858 head_ref.buf);
1859 goto cleanup_head_ref;
1860 }
1840 - strbuf_reset(&buf);
1841 - strbuf_addf(&buf,
1842 - "rebase -i (finish): returning to %s",
1861 + msg = reflog_message(opts, "finish", "returning to %s",
1862 head_ref.buf);
1844 - if (create_symref("HEAD", head_ref.buf, buf.buf)) {
1863 + if (create_symref("HEAD", head_ref.buf, msg)) {
1864 res = error(_("could not update HEAD to %s"),
1865 head_ref.buf);
1866 goto cleanup_head_ref;