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git-add: introduce --edit (to edit the diff vs. the index)

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With "git add -e [<files>]", Git will fire up an editor with the current
diff relative to the index (i.e. what you would get with "git diff
[<files>]").

Now you can edit the patch as much as you like, including adding/removing
lines, editing the text, whatever.  Make sure, though, that the first
character of the hunk lines is still a space, a plus or a minus.

After you closed the editor, Git will adjust the line counts of the hunks
if necessary, thanks to the --recount option of apply, and commit the
patch.  Except if you deleted everything, in which case nothing happens
(for obvious reasons).

Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Johannes Schindelin
2009-04-08 23:30:24 +02:00
committed by Junio C Hamano
parent ee7ec2f9de
commit c59cb03a8b
3 changed files with 175 additions and 4 deletions
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59
builtin-add.c
View File

@ -10,12 +10,14 @@
#include "cache-tree.h"
#include "run-command.h"
#include "parse-options.h"
#include "diff.h"
#include "revision.h"
static const char * const builtin_add_usage[] = {
"git add [options] [--] <filepattern>...",
NULL
};
static int patch_interactive, add_interactive;
static int patch_interactive, add_interactive, edit_interactive;
static int take_worktree_changes;
static void fill_pathspec_matches(const char **pathspec, char *seen, int specs)
@ -187,6 +189,51 @@ int interactive_add(int argc, const char **argv, const char *prefix)
return status;
}
int edit_patch(int argc, const char **argv, const char *prefix)
{
char *file = xstrdup(git_path("ADD_EDIT.patch"));
const char *apply_argv[] = { "apply", "--recount", "--cached",
file, NULL };
struct child_process child;
struct rev_info rev;
int out;
struct stat st;
git_config(git_diff_basic_config, NULL); /* no "diff" UI options */
if (read_cache() < 0)
die ("Could not read the index");
init_revisions(&rev, prefix);
rev.diffopt.context = 7;
argc = setup_revisions(argc, argv, &rev, NULL);
rev.diffopt.output_format = DIFF_FORMAT_PATCH;
out = open(file, O_CREAT | O_WRONLY, 0644);
if (out < 0)
die ("Could not open '%s' for writing.", file);
rev.diffopt.file = fdopen(out, "w");
rev.diffopt.close_file = 1;
if (run_diff_files(&rev, 0))
die ("Could not write patch");
launch_editor(file, NULL, NULL);
if (stat(file, &st))
die("Could not stat '%s'", file);
if (!st.st_size)
die("Empty patch. Aborted.");
memset(&child, 0, sizeof(child));
child.git_cmd = 1;
child.argv = apply_argv;
if (run_command(&child))
die ("Could not apply '%s'", file);
unlink(file);
return 0;
}
static struct lock_file lock_file;
static const char ignore_error[] =
@ -201,6 +248,7 @@ static struct option builtin_add_options[] = {
OPT_GROUP(""),
OPT_BOOLEAN('i', "interactive", &add_interactive, "interactive picking"),
OPT_BOOLEAN('p', "patch", &patch_interactive, "interactive patching"),
OPT_BOOLEAN('e', "edit", &edit_interactive, "edit current diff and apply"),
OPT_BOOLEAN('f', "force", &ignored_too, "allow adding otherwise ignored files"),
OPT_BOOLEAN('u', "update", &take_worktree_changes, "update tracked files"),
OPT_BOOLEAN('N', "intent-to-add", &intent_to_add, "record only the fact that the path will be added later"),
@ -251,14 +299,19 @@ int cmd_add(int argc, const char **argv, const char *prefix)
int require_pathspec;
argc = parse_options(argc, argv, builtin_add_options,
builtin_add_usage, 0);
builtin_add_usage, PARSE_OPT_KEEP_ARGV0);
if (patch_interactive)
add_interactive = 1;
if (add_interactive)
exit(interactive_add(argc, argv, prefix));
exit(interactive_add(argc - 1, argv + 1, prefix));
git_config(add_config, NULL);
if (edit_interactive)
return(edit_patch(argc, argv, prefix));
argc--;
argv++;
if (addremove && take_worktree_changes)
die("-A and -u are mutually incompatible");
if ((addremove || take_worktree_changes) && !argc) {