diff options
Diffstat (limited to 'submodule.c')
-rw-r--r-- | submodule.c | 120 |
1 files changed, 113 insertions, 7 deletions
diff --git a/submodule.c b/submodule.c index 86aad653b7..61cb6e21dd 100644 --- a/submodule.c +++ b/submodule.c @@ -4,22 +4,33 @@ #include "diff.h" #include "commit.h" #include "revision.h" +#include "run-command.h" +#include "diffcore.h" -int add_submodule_odb(const char *path) +static int add_submodule_odb(const char *path) { struct strbuf objects_directory = STRBUF_INIT; struct alternate_object_database *alt_odb; + int ret = 0; + const char *git_dir; - strbuf_addf(&objects_directory, "%s/.git/objects/", path); - if (!is_directory(objects_directory.buf)) - return -1; - + strbuf_addf(&objects_directory, "%s/.git", path); + git_dir = read_gitfile_gently(objects_directory.buf); + if (git_dir) { + strbuf_reset(&objects_directory); + strbuf_addstr(&objects_directory, git_dir); + } + strbuf_addstr(&objects_directory, "/objects/"); + if (!is_directory(objects_directory.buf)) { + ret = -1; + goto done; + } /* avoid adding it twice */ for (alt_odb = alt_odb_list; alt_odb; alt_odb = alt_odb->next) if (alt_odb->name - alt_odb->base == objects_directory.len && !strncmp(alt_odb->base, objects_directory.buf, objects_directory.len)) - return 0; + goto done; alt_odb = xmalloc(objects_directory.len + 42 + sizeof(*alt_odb)); alt_odb->next = alt_odb_list; @@ -30,11 +41,27 @@ int add_submodule_odb(const char *path) alt_odb->name[41] = '\0'; alt_odb_list = alt_odb; prepare_alt_odb(); - return 0; +done: + strbuf_release(&objects_directory); + return ret; +} + +void handle_ignore_submodules_arg(struct diff_options *diffopt, + const char *arg) +{ + if (!strcmp(arg, "all")) + DIFF_OPT_SET(diffopt, IGNORE_SUBMODULES); + else if (!strcmp(arg, "untracked")) + DIFF_OPT_SET(diffopt, IGNORE_UNTRACKED_IN_SUBMODULES); + else if (!strcmp(arg, "dirty")) + DIFF_OPT_SET(diffopt, IGNORE_DIRTY_SUBMODULES); + else + die("bad --ignore-submodules argument: %s", arg); } void show_submodule_summary(FILE *f, const char *path, unsigned char one[20], unsigned char two[20], + unsigned dirty_submodule, const char *del, const char *add, const char *reset) { struct rev_info rev; @@ -79,6 +106,16 @@ void show_submodule_summary(FILE *f, const char *path, message = "(revision walker failed)"; } + if (dirty_submodule & DIRTY_SUBMODULE_UNTRACKED) + fprintf(f, "Submodule %s contains untracked content\n", path); + if (dirty_submodule & DIRTY_SUBMODULE_MODIFIED) + fprintf(f, "Submodule %s contains modified content\n", path); + + if (!hashcmp(one, two)) { + strbuf_release(&sb); + return; + } + strbuf_addf(&sb, "Submodule %s %s..", path, find_unique_abbrev(one, DEFAULT_ABBREV)); if (!fast_backward && !fast_forward) @@ -112,3 +149,72 @@ void show_submodule_summary(FILE *f, const char *path, } strbuf_release(&sb); } + +unsigned is_submodule_modified(const char *path, int ignore_untracked) +{ + ssize_t len; + struct child_process cp; + const char *argv[] = { + "status", + "--porcelain", + NULL, + NULL, + }; + struct strbuf buf = STRBUF_INIT; + unsigned dirty_submodule = 0; + const char *line, *next_line; + const char *git_dir; + + strbuf_addf(&buf, "%s/.git", path); + git_dir = read_gitfile_gently(buf.buf); + if (!git_dir) + git_dir = buf.buf; + if (!is_directory(git_dir)) { + strbuf_release(&buf); + /* The submodule is not checked out, so it is not modified */ + return 0; + + } + strbuf_reset(&buf); + + if (ignore_untracked) + argv[2] = "-uno"; + + memset(&cp, 0, sizeof(cp)); + cp.argv = argv; + cp.env = local_repo_env; + cp.git_cmd = 1; + cp.no_stdin = 1; + cp.out = -1; + cp.dir = path; + if (start_command(&cp)) + die("Could not run git status --porcelain"); + + len = strbuf_read(&buf, cp.out, 1024); + line = buf.buf; + while (len > 2) { + if ((line[0] == '?') && (line[1] == '?')) { + dirty_submodule |= DIRTY_SUBMODULE_UNTRACKED; + if (dirty_submodule & DIRTY_SUBMODULE_MODIFIED) + break; + } else { + dirty_submodule |= DIRTY_SUBMODULE_MODIFIED; + if (ignore_untracked || + (dirty_submodule & DIRTY_SUBMODULE_UNTRACKED)) + break; + } + next_line = strchr(line, '\n'); + if (!next_line) + break; + next_line++; + len -= (next_line - line); + line = next_line; + } + close(cp.out); + + if (finish_command(&cp)) + die("git status --porcelain failed"); + + strbuf_release(&buf); + return dirty_submodule; +} |