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authorLibravatar Elijah Newren <newren@gmail.com>2020-02-15 21:36:34 +0000
committerLibravatar Junio C Hamano <gitster@pobox.com>2020-02-16 15:40:42 -0800
commit52eb738d6b40bf8816727fcf7f39febc761ef0db (patch)
tree78f8a2baf0660a987b2fdc93665def51f44e5432
parentrebase: move incompatibility checks between backend options a bit earlier (diff)
downloadtgif-52eb738d6b40bf8816727fcf7f39febc761ef0db.tar.xz
rebase: add an --am option
Currently, this option doesn't do anything except error out if any options requiring the interactive-backend are also passed. However, when we make the default backend configurable later in this series, this flag will provide a way to override the config setting. Signed-off-by: Elijah Newren <newren@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
-rw-r--r--Documentation/git-rebase.txt11
-rw-r--r--builtin/rebase.c18
2 files changed, 27 insertions, 2 deletions
diff --git a/Documentation/git-rebase.txt b/Documentation/git-rebase.txt
index 6e2569cd8a..93092da3bf 100644
--- a/Documentation/git-rebase.txt
+++ b/Documentation/git-rebase.txt
@@ -258,6 +258,13 @@ See also INCOMPATIBLE OPTIONS below.
original branch. The index and working tree are also left
unchanged as a result.
+--am:
+ Use git-am internally to rebase. This option may become a
+ no-op in the future once the interactive backend handles
+ everything the am one does.
++
+See also INCOMPATIBLE OPTIONS below.
+
--empty={drop,keep,ask}::
How to handle commits that are not empty to start and are not
clean cherry-picks of any upstream commit, but which become
@@ -378,7 +385,7 @@ See also INCOMPATIBLE OPTIONS below.
Ensure at least <n> lines of surrounding context match before
and after each change. When fewer lines of surrounding
context exist they all must match. By default no context is
- ever ignored.
+ ever ignored. Implies --am.
+
See also INCOMPATIBLE OPTIONS below.
@@ -418,6 +425,7 @@ with `--keep-base` in order to drop those commits from your branch.
--whitespace=<option>::
These flags are passed to the 'git apply' program
(see linkgit:git-apply[1]) that applies the patch.
+ Implies --am.
+
See also INCOMPATIBLE OPTIONS below.
@@ -561,6 +569,7 @@ INCOMPATIBLE OPTIONS
The following options:
+ * --am
* --committer-date-is-author-date
* --ignore-date
* --ignore-whitespace
diff --git a/builtin/rebase.c b/builtin/rebase.c
index a2f05f783d..77abe674cb 100644
--- a/builtin/rebase.c
+++ b/builtin/rebase.c
@@ -1335,6 +1335,18 @@ done:
return res && is_linear_history(onto, head);
}
+static int parse_opt_am(const struct option *opt, const char *arg, int unset)
+{
+ struct rebase_options *opts = opt->value;
+
+ BUG_ON_OPT_NEG(unset);
+ BUG_ON_OPT_ARG(arg);
+
+ opts->type = REBASE_AM;
+
+ return 0;
+}
+
/* -i followed by -m is still -i */
static int parse_opt_merge(const struct option *opt, const char *arg, int unset)
{
@@ -1519,6 +1531,10 @@ int cmd_rebase(int argc, const char **argv, const char *prefix)
OPT_CMDMODE(0, "show-current-patch", &action,
N_("show the patch file being applied or merged"),
ACTION_SHOW_CURRENT_PATCH),
+ { OPTION_CALLBACK, 0, "am", &options, NULL,
+ N_("use apply-mail strategies to rebase"),
+ PARSE_OPT_NOARG | PARSE_OPT_NONEG,
+ parse_opt_am },
{ OPTION_CALLBACK, 'm', "merge", &options, NULL,
N_("use merging strategies to rebase"),
PARSE_OPT_NOARG | PARSE_OPT_NONEG,
@@ -1878,7 +1894,7 @@ int cmd_rebase(int argc, const char **argv, const char *prefix)
if (isatty(2) && options.flags & REBASE_NO_QUIET)
strbuf_addstr(&options.git_format_patch_opt, " --progress");
- if (options.git_am_opts.argc) {
+ if (options.git_am_opts.argc || options.type == REBASE_AM) {
/* all am options except -q are compatible only with --am */
for (i = options.git_am_opts.argc - 1; i >= 0; i--)
if (strcmp(options.git_am_opts.argv[i], "-q"))