Implement do_commit(), which commits the index which contains the
results of applying the patch, along with the extracted commit message
and authorship information.
Signed-off-by: Paul Tan <pyoka...@gmail.com>
---
builtin/am.c | 46 ++++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 46 insertions(+)
diff --git a/builtin/am.c b/builtin/am.c
index 7126df3..3174327 100644
--- a/builtin/am.c
+++ b/builtin/am.c
@@ -8,6 +8,9 @@
#include "dir.h"
#include "run-command.h"
#include "quote.h"
+#include "cache-tree.h"
+#include "refs.h"
+#include "commit.h"
/**
* Returns 1 if the file is empty or does not exist, 0 otherwise.
@@ -539,6 +542,48 @@ static int run_apply(const struct am_state *state)
}
/**
+ * Commits the current index with state->msg as the commit message and
+ * state->author_name, state->author_email and state->author_date as the author
+ * information.
+ */
+static void do_commit(const struct am_state *state)
+{
+ unsigned char tree[20], parent[20], commit[20];
+ unsigned char *ptr;
+ struct commit_list *parents = NULL;
+ const char *reflog_msg, *author;
+ struct strbuf sb = STRBUF_INIT;
+
+ if (write_cache_as_tree(tree, 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);
+ } else {
+ ptr = NULL;
+ fprintf_ln(stderr, _("applying to an empty history"));
+ }
+
+ author = fmt_ident(state->author_name.buf, state->author_email.buf,
+ state->author_date.buf, IDENT_STRICT);
+
+ if (commit_tree(state->msg.buf, state->msg.len, tree, parents, commit,
+ author, NULL))
+ die(_("failed to write commit object"));
+
+ reflog_msg = getenv("GIT_REFLOG_ACTION");
+ if (!reflog_msg)
+ reflog_msg = "am";
+
+ strbuf_addf(&sb, "%s: %s", reflog_msg, firstline(state->msg.buf));
+
+ update_ref(sb.buf, "HEAD", commit, ptr, 0, UPDATE_REFS_DIE_ON_ERR);
+
+ strbuf_release(&sb);
+}
+
+/**
* Applies all queued patches.
*/
static void am_run(struct am_state *state)
@@ -570,6 +615,7 @@ static void am_run(struct am_state *state)
exit(128);
}
+ do_commit(state);
next:
am_next(state);
}
--
2.1.4
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