diff options
Diffstat (limited to 'builtin/rm.c')
| -rw-r--r-- | builtin/rm.c | 140 |
1 files changed, 125 insertions, 15 deletions
diff --git a/builtin/rm.c b/builtin/rm.c index b384c4c3cf..dabfcf6890 100644 --- a/builtin/rm.c +++ b/builtin/rm.c @@ -9,6 +9,7 @@ #include "cache-tree.h" #include "tree-walk.h" #include "parse-options.h" +#include "submodule.h" static const char * const builtin_rm_usage[] = { N_("git rm [options] [--] <file>..."), @@ -17,9 +18,58 @@ static const char * const builtin_rm_usage[] = { static struct { int nr, alloc; - const char **name; + struct { + const char *name; + char is_submodule; + } *entry; } list; +static int get_ours_cache_pos(const char *path, int pos) +{ + int i = -pos - 1; + + while ((i < active_nr) && !strcmp(active_cache[i]->name, path)) { + if (ce_stage(active_cache[i]) == 2) + return i; + i++; + } + return -1; +} + +static int check_submodules_use_gitfiles(void) +{ + int i; + int errs = 0; + + for (i = 0; i < list.nr; i++) { + const char *name = list.entry[i].name; + int pos; + struct cache_entry *ce; + struct stat st; + + pos = cache_name_pos(name, strlen(name)); + if (pos < 0) { + pos = get_ours_cache_pos(name, pos); + if (pos < 0) + continue; + } + ce = active_cache[pos]; + + if (!S_ISGITLINK(ce->ce_mode) || + (lstat(ce->name, &st) < 0) || + is_empty_dir(name)) + continue; + + if (!submodule_uses_gitfile(name)) + errs = error(_("submodule '%s' (or one of its nested " + "submodules) uses a .git directory\n" + "(use 'rm -rf' if you really want to remove " + "it including all of its history)"), name); + } + + return errs; +} + static int check_local_mod(unsigned char *head, int index_only) { /* @@ -37,15 +87,26 @@ static int check_local_mod(unsigned char *head, int index_only) struct stat st; int pos; struct cache_entry *ce; - const char *name = list.name[i]; + const char *name = list.entry[i].name; unsigned char sha1[20]; unsigned mode; int local_changes = 0; int staged_changes = 0; pos = cache_name_pos(name, strlen(name)); - if (pos < 0) - continue; /* removing unmerged entry */ + if (pos < 0) { + /* + * Skip unmerged entries except for populated submodules + * that could lose history when removed. + */ + pos = get_ours_cache_pos(name, pos); + if (pos < 0) + continue; + + if (!S_ISGITLINK(active_cache[pos]->ce_mode) || + is_empty_dir(name)) + continue; + } ce = active_cache[pos]; if (lstat(ce->name, &st) < 0) { @@ -58,9 +119,10 @@ static int check_local_mod(unsigned char *head, int index_only) /* if a file was removed and it is now a * directory, that is the same as ENOENT as * far as git is concerned; we do not track - * directories. + * directories unless they are submodules. */ - continue; + if (!S_ISGITLINK(ce->ce_mode)) + continue; } /* @@ -80,8 +142,11 @@ static int check_local_mod(unsigned char *head, int index_only) /* * Is the index different from the file in the work tree? + * If it's a submodule, is its work tree modified? */ - if (ce_match_stat(ce, &st, 0)) + if (ce_match_stat(ce, &st, 0) || + (S_ISGITLINK(ce->ce_mode) && + !ok_to_remove_submodule(ce->name))) local_changes = 1; /* @@ -115,10 +180,18 @@ static int check_local_mod(unsigned char *head, int index_only) errs = error(_("'%s' has changes staged in the index\n" "(use --cached to keep the file, " "or -f to force removal)"), name); - if (local_changes) - errs = error(_("'%s' has local modifications\n" - "(use --cached to keep the file, " - "or -f to force removal)"), name); + if (local_changes) { + if (S_ISGITLINK(ce->ce_mode) && + !submodule_uses_gitfile(name)) { + errs = error(_("submodule '%s' (or one of its nested " + "submodules) uses a .git directory\n" + "(use 'rm -rf' if you really want to remove " + "it including all of its history)"), name); + } else + errs = error(_("'%s' has local modifications\n" + "(use --cached to keep the file, " + "or -f to force removal)"), name); + } } } return errs; @@ -161,6 +234,21 @@ int cmd_rm(int argc, const char **argv, const char *prefix) if (read_cache() < 0) die(_("index file corrupt")); + /* + * Drop trailing directory separators from directories so we'll find + * submodules in the index. + */ + for (i = 0; i < argc; i++) { + size_t pathlen = strlen(argv[i]); + if (pathlen && is_dir_sep(argv[i][pathlen - 1]) && + is_directory(argv[i])) { + do { + pathlen--; + } while (pathlen && is_dir_sep(argv[i][pathlen - 1])); + argv[i] = xmemdupz(argv[i], pathlen); + } + } + pathspec = get_pathspec(prefix, argv); refresh_index(&the_index, REFRESH_QUIET, pathspec, NULL, NULL); @@ -173,8 +261,9 @@ int cmd_rm(int argc, const char **argv, const char *prefix) struct cache_entry *ce = active_cache[i]; if (!match_pathspec(pathspec, ce->name, ce_namelen(ce), 0, seen)) continue; - ALLOC_GROW(list.name, list.nr + 1, list.alloc); - list.name[list.nr++] = ce->name; + ALLOC_GROW(list.entry, list.nr + 1, list.alloc); + list.entry[list.nr].name = ce->name; + list.entry[list.nr++].is_submodule = S_ISGITLINK(ce->ce_mode); } if (pathspec) { @@ -215,6 +304,9 @@ int cmd_rm(int argc, const char **argv, const char *prefix) hashclr(sha1); if (check_local_mod(sha1, index_only)) exit(1); + } else if (!index_only) { + if (check_submodules_use_gitfiles()) + exit(1); } /* @@ -222,7 +314,7 @@ int cmd_rm(int argc, const char **argv, const char *prefix) * the index unless all of them succeed. */ for (i = 0; i < list.nr; i++) { - const char *path = list.name[i]; + const char *path = list.entry[i].name; if (!quiet) printf("rm '%s'\n", path); @@ -244,7 +336,25 @@ int cmd_rm(int argc, const char **argv, const char *prefix) if (!index_only) { int removed = 0; for (i = 0; i < list.nr; i++) { - const char *path = list.name[i]; + const char *path = list.entry[i].name; + if (list.entry[i].is_submodule) { + if (is_empty_dir(path)) { + if (!rmdir(path)) { + removed = 1; + continue; + } + } else { + struct strbuf buf = STRBUF_INIT; + strbuf_addstr(&buf, path); + if (!remove_dir_recursively(&buf, 0)) { + removed = 1; + strbuf_release(&buf); + continue; + } + strbuf_release(&buf); + /* Fallthrough and let remove_path() fail. */ + } + } if (!remove_path(path)) { removed = 1; continue; |