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Diffstat (limited to 'builtin/reset.c')
-rw-r--r--builtin/reset.c90
1 files changed, 43 insertions, 47 deletions
diff --git a/builtin/reset.c b/builtin/reset.c
index 98bca044c1..915cc9f86f 100644
--- a/builtin/reset.c
+++ b/builtin/reset.c
@@ -22,9 +22,9 @@
#include "cache-tree.h"
static const char * const git_reset_usage[] = {
- "git reset [--mixed | --soft | --hard | --merge | --keep] [-q] [<commit>]",
- "git reset [-q] <commit> [--] <paths>...",
- "git reset --patch [<commit>] [--] [<paths>...]",
+ N_("git reset [--mixed | --soft | --hard | --merge | --keep] [-q] [<commit>]"),
+ N_("git reset [-q] <commit> [--] <paths>..."),
+ N_("git reset --patch [<commit>] [--] [<paths>...]"),
NULL
};
@@ -33,25 +33,6 @@ static const char *reset_type_names[] = {
N_("mixed"), N_("soft"), N_("hard"), N_("merge"), N_("keep"), NULL
};
-static char *args_to_str(const char **argv)
-{
- char *buf = NULL;
- unsigned long len, space = 0, nr = 0;
-
- for (; *argv; argv++) {
- len = strlen(*argv);
- ALLOC_GROW(buf, nr + 1 + len, space);
- if (nr)
- buf[nr++] = ' ';
- memcpy(buf + nr, *argv, len);
- nr += len;
- }
- ALLOC_GROW(buf, nr + 1, space);
- buf[nr] = '\0';
-
- return buf;
-}
-
static inline int is_merge(void)
{
return !access(git_path("MERGE_HEAD"), F_OK);
@@ -62,6 +43,7 @@ static int reset_index_file(const unsigned char *sha1, int reset_type, int quiet
int nr = 1;
int newfd;
struct tree_desc desc[2];
+ struct tree *tree;
struct unpack_trees_options opts;
struct lock_file *lock = xcalloc(1, sizeof(struct lock_file));
@@ -103,6 +85,12 @@ static int reset_index_file(const unsigned char *sha1, int reset_type, int quiet
return error(_("Failed to find tree of %s."), sha1_to_hex(sha1));
if (unpack_trees(nr, desc, &opts))
return -1;
+
+ if (reset_type == MIXED || reset_type == HARD) {
+ tree = parse_tree_indirect(sha1);
+ prime_cache_tree(&active_cache_tree, tree);
+ }
+
if (write_cache(newfd, active_cache, active_nr) ||
commit_locked_index(lock))
return error(_("Could not write new index file."));
@@ -162,7 +150,7 @@ static void update_index_from_diff(struct diff_queue_struct *q,
for (i = 0; i < q->nr; i++) {
struct diff_filespec *one = q->queue[i]->one;
- if (one->mode) {
+ if (one->mode && !is_null_sha1(one->sha1)) {
struct cache_entry *ce;
ce = make_cache_entry(one->mode, one->sha1, one->path,
0, 0);
@@ -215,14 +203,18 @@ static int read_from_tree(const char *prefix, const char **argv,
return update_index_refresh(index_fd, lock, refresh_flags);
}
-static void prepend_reflog_action(const char *action, char *buf, size_t size)
+static void set_reflog_message(struct strbuf *sb, const char *action,
+ const char *rev)
{
- const char *sep = ": ";
const char *rla = getenv("GIT_REFLOG_ACTION");
- if (!rla)
- rla = sep = "";
- if (snprintf(buf, size, "%s%s%s", rla, sep, action) >= size)
- warning(_("Reflog action message too long: %.*s..."), 50, buf);
+
+ strbuf_reset(sb);
+ if (rla)
+ strbuf_addf(sb, "%s: %s", rla, action);
+ else if (rev)
+ strbuf_addf(sb, "reset: moving to %s", rev);
+ else
+ strbuf_addf(sb, "reset: %s", action);
}
static void die_if_unmerged_cache(int reset_type)
@@ -241,19 +233,19 @@ int cmd_reset(int argc, const char **argv, const char *prefix)
unsigned char sha1[20], *orig = NULL, sha1_orig[20],
*old_orig = NULL, sha1_old_orig[20];
struct commit *commit;
- char *reflog_action, msg[1024];
+ struct strbuf msg = STRBUF_INIT;
const struct option options[] = {
- OPT__QUIET(&quiet, "be quiet, only report errors"),
+ OPT__QUIET(&quiet, N_("be quiet, only report errors")),
OPT_SET_INT(0, "mixed", &reset_type,
- "reset HEAD and index", MIXED),
- OPT_SET_INT(0, "soft", &reset_type, "reset only HEAD", SOFT),
+ N_("reset HEAD and index"), MIXED),
+ OPT_SET_INT(0, "soft", &reset_type, N_("reset only HEAD"), SOFT),
OPT_SET_INT(0, "hard", &reset_type,
- "reset HEAD, index and working tree", HARD),
+ N_("reset HEAD, index and working tree"), HARD),
OPT_SET_INT(0, "merge", &reset_type,
- "reset HEAD, index and working tree", MERGE),
+ N_("reset HEAD, index and working tree"), MERGE),
OPT_SET_INT(0, "keep", &reset_type,
- "reset HEAD but keep local changes", KEEP),
- OPT_BOOLEAN('p', "patch", &patch_mode, "select hunks interactively"),
+ N_("reset HEAD but keep local changes"), KEEP),
+ OPT_BOOLEAN('p', "patch", &patch_mode, N_("select hunks interactively")),
OPT_END()
};
@@ -261,8 +253,6 @@ int cmd_reset(int argc, const char **argv, const char *prefix)
argc = parse_options(argc, argv, prefix, options, git_reset_usage,
PARSE_OPT_KEEP_DASHDASH);
- reflog_action = args_to_str(argv);
- setenv("GIT_REFLOG_ACTION", reflog_action, 0);
/*
* Possible arguments are:
@@ -286,7 +276,7 @@ int cmd_reset(int argc, const char **argv, const char *prefix)
* Otherwise, argv[i] could be either <rev> or <paths> and
* has to be unambiguous.
*/
- else if (!get_sha1(argv[i], sha1)) {
+ else if (!get_sha1_committish(argv[i], sha1)) {
/*
* Ok, argv[i] looks like a rev; it should not
* be a filename.
@@ -295,13 +285,19 @@ int cmd_reset(int argc, const char **argv, const char *prefix)
rev = argv[i++];
} else {
/* Otherwise we treat this as a filename */
- verify_filename(prefix, argv[i]);
+ verify_filename(prefix, argv[i], 1);
}
}
- if (get_sha1(rev, sha1))
+ if (get_sha1_committish(rev, sha1))
die(_("Failed to resolve '%s' as a valid ref."), rev);
+ /*
+ * NOTE: As "git reset $treeish -- $path" should be usable on
+ * any tree-ish, this is not strictly correct. We are not
+ * moving the HEAD to any commit; we are merely resetting the
+ * entries in the index to that of a treeish.
+ */
commit = lookup_commit_reference(sha1);
if (!commit)
die(_("Could not parse object '%s'."), rev);
@@ -357,13 +353,13 @@ int cmd_reset(int argc, const char **argv, const char *prefix)
old_orig = sha1_old_orig;
if (!get_sha1("HEAD", sha1_orig)) {
orig = sha1_orig;
- prepend_reflog_action("updating ORIG_HEAD", msg, sizeof(msg));
- update_ref(msg, "ORIG_HEAD", orig, old_orig, 0, MSG_ON_ERR);
+ set_reflog_message(&msg, "updating ORIG_HEAD", NULL);
+ update_ref(msg.buf, "ORIG_HEAD", orig, old_orig, 0, MSG_ON_ERR);
}
else if (old_orig)
delete_ref("ORIG_HEAD", old_orig, 0);
- prepend_reflog_action("updating HEAD", msg, sizeof(msg));
- update_ref_status = update_ref(msg, "HEAD", sha1, orig, 0, MSG_ON_ERR);
+ set_reflog_message(&msg, "updating HEAD", rev);
+ update_ref_status = update_ref(msg.buf, "HEAD", sha1, orig, 0, MSG_ON_ERR);
switch (reset_type) {
case HARD:
@@ -380,7 +376,7 @@ int cmd_reset(int argc, const char **argv, const char *prefix)
remove_branch_state();
- free(reflog_action);
+ strbuf_release(&msg);
return update_ref_status;
}