static void describe_detached_head(char *msg, struct commit *commit)
{
struct strbuf sb = STRBUF_INIT;
+ struct pretty_print_context ctx = {0};
parse_commit(commit);
- pretty_print_commit(CMIT_FMT_ONELINE, commit, &sb, 0, NULL, NULL, 0, 0);
+ pretty_print_commit(CMIT_FMT_ONELINE, commit, &sb, &ctx);
fprintf(stderr, "%s %s... %s\n", msg,
find_unique_abbrev(commit->object.sha1, DEFAULT_ABBREV), sb.buf);
strbuf_release(&sb);
topts.initial_checkout = is_cache_unborn();
topts.update = 1;
topts.merge = 1;
- topts.gently = opts->merge;
+ topts.gently = opts->merge && old->commit;
topts.verbose_update = !opts->quiet;
topts.fn = twoway_merge;
topts.dir = xcalloc(1, sizeof(*topts.dir));
struct merge_options o;
if (!opts->merge)
return 1;
- parse_commit(old->commit);
+
+ /*
+ * Without old->commit, the below is the same as
+ * the two-tree unpack we already tried and failed.
+ */
+ if (!old->commit)
+ return 1;
/* Do more real merge */
* case 3: git checkout <something> [<paths>]
*
* With no paths, if <something> is a commit, that is to
- * switch to the branch or detach HEAD at it.
+ * switch to the branch or detach HEAD at it. As a special case,
+ * if <something> is A...B (missing A or B means HEAD but you can
+ * omit at most one side), and if there is a unique merge base
+ * between A and B, A...B names that merge base.
*
* With no paths, if <something> is _not_ a commit, no -t nor -b
* was given, and there is a tracking branch whose name is
if (!strcmp(arg, "-"))
arg = "@{-1}";
- if (get_sha1(arg, rev)) {
+ if (get_sha1_mb(arg, rev)) {
if (has_dash_dash) /* case (1) */
die("invalid reference: %s", arg);
if (!patch_mode &&
#define CE_HASHED (0x100000)
#define CE_UNHASHED (0x200000)
+#define CE_CONFLICTED (0x800000)
+
+/* Only remove in work directory, not index */
+#define CE_WT_REMOVE (0x400000)
/*
* Extended on-disk flags
*/
#define CE_INTENT_TO_ADD 0x20000000
+#define CE_SKIP_WORKTREE 0x40000000
/* CE_EXTENDED2 is for future extension */
#define CE_EXTENDED2 0x80000000
-#define CE_EXTENDED_FLAGS (CE_INTENT_TO_ADD)
+#define CE_EXTENDED_FLAGS (CE_INTENT_TO_ADD | CE_SKIP_WORKTREE)
/*
* Safeguard to avoid saving wrong flags:
ondisk_cache_entry_size(ce_namelen(ce)))
#define ce_stage(ce) ((CE_STAGEMASK & (ce)->ce_flags) >> CE_STAGESHIFT)
#define ce_uptodate(ce) ((ce)->ce_flags & CE_UPTODATE)
+#define ce_skip_worktree(ce) ((ce)->ce_flags & CE_SKIP_WORKTREE)
#define ce_mark_uptodate(ce) ((ce)->ce_flags |= CE_UPTODATE)
#define ce_permissions(mode) (((mode) & 0100) ? 0755 : 0644)
#define CONFIG_ENVIRONMENT "GIT_CONFIG"
#define EXEC_PATH_ENVIRONMENT "GIT_EXEC_PATH"
#define CEILING_DIRECTORIES_ENVIRONMENT "GIT_CEILING_DIRECTORIES"
+#define NO_REPLACE_OBJECTS_ENVIRONMENT "GIT_NO_REPLACE_OBJECTS"
#define GITATTRIBUTES_FILE ".gitattributes"
#define INFOATTRIBUTES_FILE "info/attributes"
#define ATTRIBUTE_MACRO_PREFIX "[attr]"
+#define GIT_NOTES_REF_ENVIRONMENT "GIT_NOTES_REF"
+#define GIT_NOTES_DEFAULT_REF "refs/notes/commits"
extern int is_bare_repository_cfg;
extern int is_bare_repository(void);
/* do stat comparison even if CE_VALID is true */
#define CE_MATCH_IGNORE_VALID 01
/* do not check the contents but report dirty on racily-clean entries */
-#define CE_MATCH_RACY_IS_DIRTY 02
+#define CE_MATCH_RACY_IS_DIRTY 02
+/* do stat comparison even if CE_SKIP_WORKTREE is true */
+#define CE_MATCH_IGNORE_SKIP_WORKTREE 04
extern int ie_match_stat(const struct index_state *, struct cache_entry *, struct stat *, unsigned int);
extern int ie_modified(const struct index_state *, struct cache_entry *, struct stat *, unsigned int);
extern int read_replace_refs;
extern int fsync_object_files;
extern int core_preload_index;
+extern int core_apply_sparse_checkout;
enum safe_crlf {
SAFE_CRLF_FALSE = 0,
extern enum object_creation_mode object_creation_mode;
+extern char *notes_ref_name;
+
extern int grafts_replace_parents;
#define GIT_REPO_VERSION 0
#define adjust_shared_perm(path) set_shared_perm((path), 0)
int safe_create_leading_directories(char *path);
int safe_create_leading_directories_const(const char *path);
+extern char *expand_user_path(const char *path);
char *enter_repo(char *path, int strict);
static inline int is_absolute_path(const char *path)
{
int normalize_path_copy(char *dst, const char *src);
int longest_ancestor_length(const char *path, const char *prefix_list);
char *strip_path_suffix(const char *path, const char *suffix);
+int daemon_avoid_alias(const char *path);
/* Read and unpack a sha1 file into memory, write memory to a sha1 file */
extern int sha1_object_info(const unsigned char *, unsigned long *);
#define DEFAULT_ABBREV 7
extern int get_sha1(const char *str, unsigned char *sha1);
-extern int get_sha1_with_mode(const char *str, unsigned char *sha1, unsigned *mode);
+extern int get_sha1_with_mode_1(const char *str, unsigned char *sha1, unsigned *mode, int gently, const char *prefix);
+static inline int get_sha1_with_mode(const char *str, unsigned char *sha1, unsigned *mode)
+{
+ return get_sha1_with_mode_1(str, sha1, mode, 1, NULL);
+}
extern int get_sha1_hex(const char *hex, unsigned char *sha1);
extern char *sha1_to_hex(const unsigned char *sha1); /* static buffer result! */
extern int read_ref(const char *filename, unsigned char *sha1);
extern int dwim_ref(const char *str, int len, unsigned char *sha1, char **ref);
extern int dwim_log(const char *str, int len, unsigned char *sha1, char **ref);
extern int interpret_branch_name(const char *str, struct strbuf *);
+ extern int get_sha1_mb(const char *str, unsigned char *sha1);
extern int refname_match(const char *abbrev_name, const char *full_name, const char **rules);
extern const char *ref_rev_parse_rules[];
extern const char *git_committer_info(int);
extern const char *fmt_ident(const char *name, const char *email, const char *date_str, int);
extern const char *fmt_name(const char *name, const char *email);
+extern const char *git_editor(void);
+extern const char *git_pager(void);
struct checkout {
const char *base_dir;
extern struct child_process *git_connect(int fd[2], const char *url, const char *prog, int flags);
extern int finish_connect(struct child_process *conn);
extern int path_match(const char *path, int nr, char **match);
-extern int get_ack(int fd, unsigned char *result_sha1);
struct extra_have_objects {
int nr, alloc;
unsigned char (*array)[20];
extern int git_config_bool_or_int(const char *, const char *, int *);
extern int git_config_bool(const char *, const char *);
extern int git_config_string(const char **, const char *, const char *);
+extern int git_config_pathname(const char **, const char *, const char *);
extern int git_config_set(const char *, const char *);
extern int git_config_set_multivar(const char *, const char *, const char *, int);
extern int git_config_rename_section(const char *, const char *);
extern void alloc_report(void);
/* trace.c */
+__attribute__((format (printf, 1, 2)))
extern void trace_printf(const char *format, ...);
+__attribute__((format (printf, 2, 3)))
extern void trace_argv_printf(const char **argv, const char *format, ...);
/* convert.c */
sed -e 1q < "$TODO" >> "$DONE"
sed -e 1d < "$TODO" >> "$TODO".new
mv -f "$TODO".new "$TODO"
- count=$(grep -c '^[^#]' < "$DONE")
- total=$(($count+$(grep -c '^[^#]' < "$TODO")))
+ count=$(sane_grep -c '^[^#]' < "$DONE")
+ total=$(($count+$(sane_grep -c '^[^#]' < "$TODO")))
if test "$last_count" != "$count"
then
last_count=$count
}
has_action () {
- grep '^[^#]' "$1" >/dev/null
+ sane_grep '^[^#]' "$1" >/dev/null
}
pick_one () {
output git reset --hard $sha1
test "a$1" = a-n && output git reset --soft $current_sha1
sha1=$(git rev-parse --short $sha1)
- output warn Fast forward to $sha1
+ output warn Fast-forward to $sha1
else
output git cherry-pick "$@"
fi
done
case $fast_forward in
t)
- output warn "Fast forward to $sha1"
+ output warn "Fast-forward to $sha1"
output git reset --hard $sha1 ||
- die "Cannot fast forward to $sha1"
+ die "Cannot fast-forward to $sha1"
;;
f)
first_parent=$(expr "$new_parents" : ' \([^ ]*\)')
}
peek_next_command () {
- sed -n "1s/ .*$//p" < "$TODO"
+ sed -n -e "/^#/d" -e "/^$/d" -e "s/ .*//p" -e "q" < "$TODO"
}
do_next () {
pick_one $sha1 ||
die_with_patch $sha1 "Could not apply $sha1... $rest"
;;
+ reword|r)
+ comment_for_reflog reword
+
+ mark_action_done
+ pick_one $sha1 ||
+ die_with_patch $sha1 "Could not apply $sha1... $rest"
+ git commit --amend
+ ;;
edit|e)
comment_for_reflog edit
;;
*)
warn "Unknown command: $command $sha1 $rest"
- die_with_patch $sha1 "Please fix this in the file $TODO."
+ if git rev-parse --verify -q "$sha1" >/dev/null
+ then
+ die_with_patch $sha1 "Please fix this in the file $TODO."
+ else
+ die "Please fix this in the file $TODO."
+ fi
;;
esac
test -s "$TODO" && return
test -f "$DOTEST"/rebase-root && REBASE_ROOT=t
}
+ LF='
+ '
+ parse_onto () {
+ case "$1" in
+ *...*)
+ if left=${1%...*} right=${1#*...} &&
+ onto=$(git merge-base --all ${left:-HEAD} ${right:-HEAD})
+ then
+ case "$onto" in
+ ?*"$LF"?* | '')
+ exit 1 ;;
+ esac
+ echo "$onto"
+ exit 0
+ fi
+ esac
+ git rev-parse --verify "$1^0"
+ }
+
while test $# != 0
do
case "$1" in
;;
--onto)
shift
- ONTO=$(git rev-parse --verify "$1") ||
+ ONTO=$(parse_onto "$1") ||
die "Does not point to a valid commit: $1"
;;
--)
git rev-list $REVISIONS |
while read rev
do
- if test -f "$REWRITTEN"/$rev -a "$(grep "$rev" "$DOTEST"/not-cherry-picks)" = ""
+ if test -f "$REWRITTEN"/$rev -a "$(sane_grep "$rev" "$DOTEST"/not-cherry-picks)" = ""
then
# Use -f2 because if rev-list is telling us this commit is
# not worthwhile, we don't want to track its multiple heads,
# be rebasing on top of it
git rev-list --parents -1 $rev | cut -d' ' -s -f2 > "$DROPPED"/$rev
short=$(git rev-list -1 --abbrev-commit --abbrev=7 $rev)
- grep -v "^[a-z][a-z]* $short" <"$TODO" > "${TODO}2" ; mv "${TODO}2" "$TODO"
+ sane_grep -v "^[a-z][a-z]* $short" <"$TODO" > "${TODO}2" ; mv "${TODO}2" "$TODO"
rm "$REWRITTEN"/$rev
fi
done
#
# Commands:
# p, pick = use commit
+# r, reword = use commit, but edit the commit message
# e, edit = use commit, but stop for amending
# s, squash = use commit, but meld into previous commit
#
cp "$TODO" "$TODO".backup
git_editor "$TODO" ||
- die "Could not execute editor"
+ die_abort "Could not execute editor"
has_action "$TODO" ||
die_abort "Nothing to do"
require_work_tree
cd_to_toplevel
+ LF='
+ '
OK_TO_SKIP_PRE_REBASE=
RESOLVEMSG="
When you have resolved this problem run \"git rebase --continue\".
# Make sure the branch to rebase onto is valid.
onto_name=${newbase-"$upstream_name"}
- onto=$(git rev-parse --verify "${onto_name}^0") || exit
+ case "$onto_name" in
+ *...*)
+ if left=${onto_name%...*} right=${onto_name#*...} &&
+ onto=$(git merge-base --all ${left:-HEAD} ${right:-HEAD})
+ then
+ case "$onto" in
+ ?*"$LF"?*)
+ die "$onto_name: there are more than one merge bases"
+ ;;
+ '')
+ die "$onto_name: there is no merge base"
+ ;;
+ esac
+ else
+ die "$onto_name: there is no merge base"
+ fi
+ ;;
+ *)
+ onto=$(git rev-parse --verify "${onto_name}^0") || exit
+ ;;
+ esac
# If a hook exists, give it a chance to interrupt
run_pre_rebase_hook "$upstream_arg" "$@"
mb=$(git merge-base "$onto" "$branch")
if test "$upstream" = "$onto" && test "$mb" = "$onto" &&
# linear history?
- ! (git rev-list --parents "$onto".."$branch" | grep " .* ") > /dev/null
+ ! (git rev-list --parents "$onto".."$branch" | sane_grep " .* ") > /dev/null
then
if test -z "$force_rebase"
then
fi
# If the $onto is a proper descendant of the tip of the branch, then
-# we just fast forwarded.
+# we just fast-forwarded.
if test "$mb" = "$branch"
then
say "Fast-forwarded $branch_name to $onto_name."
return retval;
}
+ int get_sha1_mb(const char *name, unsigned char *sha1)
+ {
+ struct commit *one, *two;
+ struct commit_list *mbs;
+ unsigned char sha1_tmp[20];
+ const char *dots;
+ int st;
+
+ dots = strstr(name, "...");
+ if (!dots)
+ return get_sha1(name, sha1);
+ if (dots == name)
+ st = get_sha1("HEAD", sha1_tmp);
+ else {
+ struct strbuf sb;
+ strbuf_init(&sb, dots - name);
+ strbuf_add(&sb, name, dots - name);
+ st = get_sha1(sb.buf, sha1_tmp);
+ strbuf_release(&sb);
+ }
+ if (st)
+ return st;
+ one = lookup_commit_reference_gently(sha1_tmp, 0);
+ if (!one)
+ return -1;
+
+ if (get_sha1(dots[3] ? (dots + 3) : "HEAD", sha1_tmp))
+ return -1;
+ two = lookup_commit_reference_gently(sha1_tmp, 0);
+ if (!two)
+ return -1;
+ mbs = get_merge_bases(one, two, 1);
+ if (!mbs || mbs->next)
+ st = -1;
+ else {
+ st = 0;
+ hashcpy(sha1, mbs->item->object.sha1);
+ }
+ free_commit_list(mbs);
+ return st;
+ }
+
/*
* This is like "get_sha1_basic()", except it allows "sha1 expressions",
* notably "xyz^" for "parent of xyz"
return get_sha1_with_mode(name, sha1, &unused);
}
-int get_sha1_with_mode(const char *name, unsigned char *sha1, unsigned *mode)
+/* Must be called only when object_name:filename doesn't exist. */
+static void diagnose_invalid_sha1_path(const char *prefix,
+ const char *filename,
+ const unsigned char *tree_sha1,
+ const char *object_name)
+{
+ struct stat st;
+ unsigned char sha1[20];
+ unsigned mode;
+
+ if (!prefix)
+ prefix = "";
+
+ if (!lstat(filename, &st))
+ die("Path '%s' exists on disk, but not in '%s'.",
+ filename, object_name);
+ if (errno == ENOENT || errno == ENOTDIR) {
+ char *fullname = xmalloc(strlen(filename)
+ + strlen(prefix) + 1);
+ strcpy(fullname, prefix);
+ strcat(fullname, filename);
+
+ if (!get_tree_entry(tree_sha1, fullname,
+ sha1, &mode)) {
+ die("Path '%s' exists, but not '%s'.\n"
+ "Did you mean '%s:%s'?",
+ fullname,
+ filename,
+ object_name,
+ fullname);
+ }
+ die("Path '%s' does not exist in '%s'",
+ filename, object_name);
+ }
+}
+
+/* Must be called only when :stage:filename doesn't exist. */
+static void diagnose_invalid_index_path(int stage,
+ const char *prefix,
+ const char *filename)
+{
+ struct stat st;
+ struct cache_entry *ce;
+ int pos;
+ unsigned namelen = strlen(filename);
+ unsigned fullnamelen;
+ char *fullname;
+
+ if (!prefix)
+ prefix = "";
+
+ /* Wrong stage number? */
+ pos = cache_name_pos(filename, namelen);
+ if (pos < 0)
+ pos = -pos - 1;
+ ce = active_cache[pos];
+ if (ce_namelen(ce) == namelen &&
+ !memcmp(ce->name, filename, namelen))
+ die("Path '%s' is in the index, but not at stage %d.\n"
+ "Did you mean ':%d:%s'?",
+ filename, stage,
+ ce_stage(ce), filename);
+
+ /* Confusion between relative and absolute filenames? */
+ fullnamelen = namelen + strlen(prefix);
+ fullname = xmalloc(fullnamelen + 1);
+ strcpy(fullname, prefix);
+ strcat(fullname, filename);
+ pos = cache_name_pos(fullname, fullnamelen);
+ if (pos < 0)
+ pos = -pos - 1;
+ ce = active_cache[pos];
+ if (ce_namelen(ce) == fullnamelen &&
+ !memcmp(ce->name, fullname, fullnamelen))
+ die("Path '%s' is in the index, but not '%s'.\n"
+ "Did you mean ':%d:%s'?",
+ fullname, filename,
+ ce_stage(ce), fullname);
+
+ if (!lstat(filename, &st))
+ die("Path '%s' exists on disk, but not in the index.", filename);
+ if (errno == ENOENT || errno == ENOTDIR)
+ die("Path '%s' does not exist (neither on disk nor in the index).",
+ filename);
+
+ free(fullname);
+}
+
+
+int get_sha1_with_mode_1(const char *name, unsigned char *sha1, unsigned *mode, int gently, const char *prefix)
{
int ret, bracket_depth;
int namelen = strlen(name);
}
pos++;
}
+ if (!gently)
+ diagnose_invalid_index_path(stage, prefix, cp);
return -1;
}
for (cp = name, bracket_depth = 0; *cp; cp++) {
}
if (*cp == ':') {
unsigned char tree_sha1[20];
- if (!get_sha1_1(name, cp-name, tree_sha1))
- return get_tree_entry(tree_sha1, cp+1, sha1,
- mode);
+ char *object_name = NULL;
+ if (!gently) {
+ object_name = xmalloc(cp-name+1);
+ strncpy(object_name, name, cp-name);
+ object_name[cp-name] = '\0';
+ }
+ if (!get_sha1_1(name, cp-name, tree_sha1)) {
+ const char *filename = cp+1;
+ ret = get_tree_entry(tree_sha1, filename, sha1, mode);
+ if (!gently) {
+ diagnose_invalid_sha1_path(prefix, filename,
+ tree_sha1, object_name);
+ free(object_name);
+ }
+ return ret;
+ } else {
+ if (!gently)
+ die("Invalid object name '%s'.", object_name);
+ }
}
return ret;
}