LIB_H += grep.h
LIB_H += hash.h
LIB_H += help.h
+ LIB_H += levenshtein.h
LIB_H += list-objects.h
LIB_H += ll-merge.h
LIB_H += log-tree.h
LIB_H += mailmap.h
+LIB_H += merge-recursive.h
LIB_H += object.h
LIB_H += pack.h
LIB_H += pack-refs.h
LIB_OBJS += help.o
LIB_OBJS += ident.o
LIB_OBJS += interpolate.o
+ LIB_OBJS += levenshtein.o
LIB_OBJS += list-objects.o
LIB_OBJS += ll-merge.o
LIB_OBJS += lockfile.o
NEEDS_LIBICONV = YesPlease
endif
BASIC_CFLAGS += -I/usr/pkg/include
- BASIC_LDFLAGS += -L/usr/pkg/lib
- ALL_LDFLAGS += -Wl,-rpath,/usr/pkg/lib
+ BASIC_LDFLAGS += -L/usr/pkg/lib $(CC_LD_DYNPATH)/usr/pkg/lib
THREADED_DELTA_SEARCH = YesPlease
endif
ifeq ($(uname_S),AIX)
endif
endif
-ifdef NO_R_TO_GCC_LINKER
- # Some gcc does not accept and pass -R to the linker to specify
- # the runtime dynamic library path.
- CC_LD_DYNPATH = -Wl,-rpath=
-else
- CC_LD_DYNPATH = -R
+ifndef CC_LD_DYNPATH
+ ifdef NO_R_TO_GCC_LINKER
+ # Some gcc does not accept and pass -R to the linker to specify
+ # the runtime dynamic library path.
+ CC_LD_DYNPATH = -Wl,-rpath,
+ else
+ CC_LD_DYNPATH = -R
+ endif
endif
ifdef NO_CURL
{ $(RM) "$$execdir/git-add$X" && \
ln git-add$X "$$execdir/git-add$X" 2>/dev/null || \
cp git-add$X "$$execdir/git-add$X"; } && \
- { $(foreach p,$(filter-out git-add,$(BUILT_INS)), $(RM) "$$execdir/$p" && \
+ { $(foreach p,$(filter-out git-add$X,$(BUILT_INS)), $(RM) "$$execdir/$p" && \
ln "$$execdir/git-add$X" "$$execdir/$p" 2>/dev/null || \
ln -s "git-add$X" "$$execdir/$p" 2>/dev/null || \
cp "$$execdir/git-add$X" "$$execdir/$p" || exit;) } && \
#include "cache.h"
#include "builtin.h"
#include "exec_cmd.h"
+ #include "levenshtein.h"
#include "help.h"
/* most GUI terminals set COLUMNS (although some don't export it) */
cmds->names[cmds->cnt++] = ent;
}
+ static void clean_cmdnames(struct cmdnames *cmds)
+ {
+ int i;
+ for (i = 0; i < cmds->cnt; ++i)
+ free(cmds->names[i]);
+ free(cmds->names);
+ cmds->cnt = 0;
+ cmds->alloc = 0;
+ }
+
static int cmdname_compare(const void *a_, const void *b_)
{
struct cmdname *a = *(struct cmdname **)a_;
return st.st_mode & S_IXUSR;
}
-static unsigned int list_commands_in_dir(struct cmdnames *cmds,
+static void list_commands_in_dir(struct cmdnames *cmds,
const char *path,
const char *prefix)
{
- unsigned int longest = 0;
int prefix_len;
DIR *dir = opendir(path);
struct dirent *de;
int len;
if (!dir)
- return 0;
+ return;
if (!prefix)
prefix = "git-";
prefix_len = strlen(prefix);
if (has_extension(de->d_name, ".exe"))
entlen -= 4;
- if (longest < entlen)
- longest = entlen;
-
add_cmdname(cmds, de->d_name + prefix_len, entlen);
}
closedir(dir);
strbuf_release(&buf);
-
- return longest;
}
-unsigned int load_command_list(const char *prefix,
+void load_command_list(const char *prefix,
struct cmdnames *main_cmds,
struct cmdnames *other_cmds)
{
- unsigned int longest = 0;
- unsigned int len;
const char *env_path = getenv("PATH");
- char *paths, *path, *colon;
const char *exec_path = git_exec_path();
- if (exec_path)
- longest = list_commands_in_dir(main_cmds, exec_path, prefix);
-
- if (!env_path) {
- fprintf(stderr, "PATH not set\n");
- exit(1);
+ if (exec_path) {
+ list_commands_in_dir(main_cmds, exec_path, prefix);
+ qsort(main_cmds->names, main_cmds->cnt,
+ sizeof(*main_cmds->names), cmdname_compare);
+ uniq(main_cmds);
}
- path = paths = xstrdup(env_path);
- while (1) {
- if ((colon = strchr(path, PATH_SEP)))
- *colon = 0;
-
- len = list_commands_in_dir(other_cmds, path, prefix);
- if (len > longest)
- longest = len;
+ if (env_path) {
+ char *paths, *path, *colon;
+ path = paths = xstrdup(env_path);
+ while (1) {
+ if ((colon = strchr(path, PATH_SEP)))
+ *colon = 0;
- if (!colon)
- break;
- path = colon + 1;
- }
- free(paths);
+ list_commands_in_dir(other_cmds, path, prefix);
- qsort(main_cmds->names, main_cmds->cnt,
- sizeof(*main_cmds->names), cmdname_compare);
- uniq(main_cmds);
+ if (!colon)
+ break;
+ path = colon + 1;
+ }
+ free(paths);
- qsort(other_cmds->names, other_cmds->cnt,
- sizeof(*other_cmds->names), cmdname_compare);
- uniq(other_cmds);
+ qsort(other_cmds->names, other_cmds->cnt,
+ sizeof(*other_cmds->names), cmdname_compare);
+ uniq(other_cmds);
+ }
exclude_cmds(other_cmds, main_cmds);
-
- return longest;
}
-void list_commands(const char *title, unsigned int longest,
- struct cmdnames *main_cmds, struct cmdnames *other_cmds)
+void list_commands(const char *title, struct cmdnames *main_cmds,
+ struct cmdnames *other_cmds)
{
- const char *exec_path = git_exec_path();
+ int i, longest = 0;
+
+ for (i = 0; i < main_cmds->cnt; i++)
+ if (longest < main_cmds->names[i]->len)
+ longest = main_cmds->names[i]->len;
+ for (i = 0; i < other_cmds->cnt; i++)
+ if (longest < other_cmds->names[i]->len)
+ longest = other_cmds->names[i]->len;
if (main_cmds->cnt) {
+ const char *exec_path = git_exec_path();
printf("available %s in '%s'\n", title, exec_path);
printf("----------------");
mput_char('-', strlen(title) + strlen(exec_path));
return 0;
}
- void help_unknown_cmd(const char *cmd)
+ static int autocorrect;
+
+ static int git_unknown_cmd_config(const char *var, const char *value, void *cb)
+ {
+ if (!strcmp(var, "help.autocorrect"))
+ autocorrect = git_config_int(var,value);
+
+ return git_default_config(var, value, cb);
+ }
+
+ static int levenshtein_compare(const void *p1, const void *p2)
{
+ const struct cmdname *const *c1 = p1, *const *c2 = p2;
+ const char *s1 = (*c1)->name, *s2 = (*c2)->name;
+ int l1 = (*c1)->len;
+ int l2 = (*c2)->len;
+ return l1 != l2 ? l1 - l2 : strcmp(s1, s2);
+ }
+
+ const char *help_unknown_cmd(const char *cmd)
+ {
+ int i, n, best_similarity = 0;
+ struct cmdnames main_cmds, other_cmds;
+
+ memset(&main_cmds, 0, sizeof(main_cmds));
+ memset(&other_cmds, 0, sizeof(main_cmds));
+
+ git_config(git_unknown_cmd_config, NULL);
+
+ load_command_list("git-", &main_cmds, &other_cmds);
+
+ ALLOC_GROW(main_cmds.names, main_cmds.cnt + other_cmds.cnt,
+ main_cmds.alloc);
+ memcpy(main_cmds.names + main_cmds.cnt, other_cmds.names,
+ other_cmds.cnt * sizeof(other_cmds.names[0]));
+ main_cmds.cnt += other_cmds.cnt;
+ free(other_cmds.names);
+
+ /* This reuses cmdname->len for similarity index */
+ for (i = 0; i < main_cmds.cnt; ++i)
+ main_cmds.names[i]->len =
+ levenshtein(cmd, main_cmds.names[i]->name, 0, 2, 1, 4);
+
+ qsort(main_cmds.names, main_cmds.cnt,
+ sizeof(*main_cmds.names), levenshtein_compare);
+
+ if (!main_cmds.cnt)
+ die ("Uh oh. Your system reports no Git commands at all.");
+
+ best_similarity = main_cmds.names[0]->len;
+ n = 1;
+ while (n < main_cmds.cnt && best_similarity == main_cmds.names[n]->len)
+ ++n;
+ if (autocorrect && n == 1) {
+ const char *assumed = main_cmds.names[0]->name;
+ main_cmds.names[0] = NULL;
+ clean_cmdnames(&main_cmds);
+ fprintf(stderr, "WARNING: You called a Git program named '%s', "
+ "which does not exist.\n"
+ "Continuing under the assumption that you meant '%s'\n",
+ cmd, assumed);
+ if (autocorrect > 0) {
+ fprintf(stderr, "in %0.1f seconds automatically...\n",
+ (float)autocorrect/10.0);
+ poll(NULL, 0, autocorrect * 100);
+ }
+ return assumed;
+ }
+
fprintf(stderr, "git: '%s' is not a git-command. See 'git --help'.\n", cmd);
+
+ if (best_similarity < 6) {
+ fprintf(stderr, "\nDid you mean %s?\n",
+ n < 2 ? "this": "one of these");
+
+ for (i = 0; i < n; i++)
+ fprintf(stderr, "\t%s\n", main_cmds.names[i]->name);
+ }
+
exit(1);
}