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builtin rebase: support the verbose and diffstat options

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This commit introduces support for the `-v` and `--stat` options of
rebase.

The --stat option can also be configured via the Git config setting
rebase.stat. To support this, we also add a custom rebase_config()
function in this commit that will be used instead of (and falls back to
calling) git_default_config().

Signed-off-by: Pratik Karki <predatoramigo@gmail.com>
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Pratik Karki 2018-09-04 14:27:13 -07:00 committed by Junio C Hamano
parent b4c8eb024a
commit bff014dac7
1 changed files with 58 additions and 2 deletions
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60
builtin/rebase.c
View file

@ -18,6 +18,7 @@
#include "lockfile.h"
#include "parse-options.h"
#include "commit.h"
#include "diff.h"
static char const * const builtin_rebase_usage[] = {
N_("git rebase [-i] [options] [--exec <cmd>] [--onto <newbase>] "
@ -81,6 +82,8 @@ struct rebase_options {
int dont_finish_rebase;
enum {
REBASE_NO_QUIET = 1<<0,
REBASE_VERBOSE = 1<<1,
REBASE_DIFFSTAT = 1<<2,
} flags;
struct strbuf git_am_opt;
};
@ -166,6 +169,10 @@ static int run_specific_rebase(struct rebase_options *opts)
add_var(&script_snippet, "GIT_QUIET",
opts->flags & REBASE_NO_QUIET ? "" : "t");
add_var(&script_snippet, "git_am_opt", opts->git_am_opt.buf);
add_var(&script_snippet, "verbose",
opts->flags & REBASE_VERBOSE ? "t" : "");
add_var(&script_snippet, "diffstat",
opts->flags & REBASE_DIFFSTAT ? "t" : "");
switch (opts->type) {
case REBASE_AM:
@ -311,6 +318,21 @@ static int reset_head(struct object_id *oid, const char *action,
return ret;
}
static int rebase_config(const char *var, const char *value, void *data)
{
struct rebase_options *opts = data;
if (!strcmp(var, "rebase.stat")) {
if (git_config_bool(var, value))
opts->flags |= REBASE_DIFFSTAT;
else
opts->flags &= !REBASE_DIFFSTAT;
return 0;
}
return git_default_config(var, value, data);
}
int cmd_rebase(int argc, const char **argv, const char *prefix)
{
struct rebase_options options = {
@ -332,7 +354,13 @@ int cmd_rebase(int argc, const char **argv, const char *prefix)
N_("allow pre-rebase hook to run")),
OPT_NEGBIT('q', "quiet", &options.flags,
N_("be quiet. implies --no-stat"),
REBASE_NO_QUIET),
REBASE_NO_QUIET| REBASE_VERBOSE | REBASE_DIFFSTAT),
OPT_BIT('v', "verbose", &options.flags,
N_("display a diffstat of what changed upstream"),
REBASE_NO_QUIET | REBASE_VERBOSE | REBASE_DIFFSTAT),
{OPTION_NEGBIT, 'n', "no-stat", &options.flags, NULL,
N_("do not show diffstat of what changed upstream"),
PARSE_OPT_NOARG, NULL, REBASE_DIFFSTAT },
OPT_END(),
};
@ -360,7 +388,8 @@ int cmd_rebase(int argc, const char **argv, const char *prefix)
trace_repo_setup(prefix);
setup_work_tree();
git_config(git_default_config, NULL);
git_config(rebase_config, &options);
argc = parse_options(argc, argv, prefix,
builtin_rebase_options,
builtin_rebase_usage, 0);
@ -456,6 +485,33 @@ int cmd_rebase(int argc, const char **argv, const char *prefix)
argc ? argv[0] : NULL, NULL))
die(_("The pre-rebase hook refused to rebase."));
if (options.flags & REBASE_DIFFSTAT) {
struct diff_options opts;
if (options.flags & REBASE_VERBOSE)
printf(_("Changes from %s to %s:\n"),
oid_to_hex(&merge_base),
oid_to_hex(&options.onto->object.oid));
/* We want color (if set), but no pager */
diff_setup(&opts);
opts.stat_width = -1; /* use full terminal width */
opts.stat_graph_width = -1; /* respect statGraphWidth config */
opts.output_format |=
DIFF_FORMAT_SUMMARY | DIFF_FORMAT_DIFFSTAT;
opts.detect_rename = DIFF_DETECT_RENAME;
diff_setup_done(&opts);
diff_tree_oid(&merge_base, &options.onto->object.oid,
"", &opts);
diffcore_std(&opts);
diff_flush(&opts);
}
/* Detach HEAD and reset the tree */
if (options.flags & REBASE_NO_QUIET)
printf(_("First, rewinding head to replay your work on top of "
"it...\n"));
strbuf_addf(&msg, "rebase: checkout %s", options.onto_name);
if (reset_head(&options.onto->object.oid, "checkout", NULL, 1))
die(_("Could not detach HEAD"));