diff options
Diffstat (limited to 'setup.c')
| -rw-r--r-- | setup.c | 96 |
1 files changed, 79 insertions, 17 deletions
@@ -1,4 +1,6 @@ #include "cache.h" +#include "repository.h" +#include "config.h" #include "dir.h" #include "string-list.h" @@ -134,23 +136,27 @@ int path_inside_repo(const char *prefix, const char *path) int check_filename(const char *prefix, const char *arg) { - const char *name; char *to_free = NULL; struct stat st; - if (starts_with(arg, ":/")) { - if (arg[2] == '\0') /* ":/" is root dir, always exists */ + if (skip_prefix(arg, ":/", &arg)) { + if (!*arg) /* ":/" is root dir, always exists */ return 1; - name = arg + 2; - } else if (prefix) - name = to_free = prefix_filename(prefix, arg); - else - name = arg; - if (!lstat(name, &st)) { + prefix = NULL; + } else if (skip_prefix(arg, ":!", &arg) || + skip_prefix(arg, ":^", &arg)) { + if (!*arg) /* excluding everything is silly, but allowed */ + return 1; + } + + if (prefix) + arg = to_free = prefix_filename(prefix, arg); + + if (!lstat(arg, &st)) { free(to_free); return 1; /* file exists */ } - if (errno == ENOENT || errno == ENOTDIR) { + if (is_missing_file_error(errno)) { free(to_free); return 0; /* file does not exist */ } @@ -182,6 +188,24 @@ static void NORETURN die_verify_filename(const char *prefix, } /* + * Check for arguments that don't resolve as actual files, + * but which look sufficiently like pathspecs that we'll consider + * them such for the purposes of rev/pathspec DWIM parsing. + */ +static int looks_like_pathspec(const char *arg) +{ + /* anything with a wildcard character */ + if (!no_wildcard(arg)) + return 1; + + /* long-form pathspec magic */ + if (starts_with(arg, ":(")) + return 1; + + return 0; +} + +/* * Verify a filename that we got as an argument for a pathspec * entry. Note that a filename that begins with "-" never verifies * as true, because even if such a filename were to exist, we want @@ -207,7 +231,7 @@ void verify_filename(const char *prefix, { if (*arg == '-') die("bad flag '%s' used after filename", arg); - if (check_filename(prefix, arg) || !no_wildcard(arg)) + if (looks_like_pathspec(arg) || check_filename(prefix, arg)) return; die_verify_filename(prefix, arg, diagnose_misspelt_rev); } @@ -375,6 +399,11 @@ void setup_work_tree(void) if (getenv(GIT_WORK_TREE_ENVIRONMENT)) setenv(GIT_WORK_TREE_ENVIRONMENT, ".", 1); + /* + * NEEDSWORK: this call can essentially be set_git_dir(get_git_dir()) + * which can cause some problems when trying to free the old value of + * gitdir. + */ set_git_dir(remove_leading_path(git_dir, work_tree)); initialized = 1; } @@ -945,19 +974,21 @@ static enum discovery_result setup_git_directory_gently_1(struct strbuf *dir, } } -const char *discover_git_directory(struct strbuf *gitdir) +int discover_git_directory(struct strbuf *commondir, + struct strbuf *gitdir) { struct strbuf dir = STRBUF_INIT, err = STRBUF_INIT; size_t gitdir_offset = gitdir->len, cwd_len; + size_t commondir_offset = commondir->len; struct repository_format candidate; if (strbuf_getcwd(&dir)) - return NULL; + return -1; cwd_len = dir.len; if (setup_git_directory_gently_1(&dir, gitdir, 0) <= 0) { strbuf_release(&dir); - return NULL; + return -1; } /* @@ -973,8 +1004,10 @@ const char *discover_git_directory(struct strbuf *gitdir) strbuf_insert(gitdir, gitdir_offset, dir.buf, dir.len); } + get_common_dir(commondir, gitdir->buf + gitdir_offset); + strbuf_reset(&dir); - strbuf_addf(&dir, "%s/config", gitdir->buf + gitdir_offset); + strbuf_addf(&dir, "%s/config", commondir->buf + commondir_offset); read_repository_format(&candidate, dir.buf); strbuf_release(&dir); @@ -982,10 +1015,12 @@ const char *discover_git_directory(struct strbuf *gitdir) warning("ignoring git dir '%s': %s", gitdir->buf + gitdir_offset, err.buf); strbuf_release(&err); - return NULL; + strbuf_setlen(commondir, commondir_offset); + strbuf_setlen(gitdir, gitdir_offset); + return -1; } - return gitdir->buf + gitdir_offset; + return 0; } const char *setup_git_directory_gently(int *nongit_ok) @@ -1050,6 +1085,12 @@ const char *setup_git_directory_gently(int *nongit_ok) die("BUG: unhandled setup_git_directory_1() result"); } + /* + * NEEDSWORK: This was a hack in order to get ls-files and grep to have + * properly formated output when recursing submodules. Once ls-files + * and grep have been changed to perform this recursing in-process this + * needs to be removed. + */ env_prefix = getenv(GIT_TOPLEVEL_PREFIX_ENVIRONMENT); if (env_prefix) prefix = env_prefix; @@ -1062,6 +1103,27 @@ const char *setup_git_directory_gently(int *nongit_ok) startup_info->have_repository = !nongit_ok || !*nongit_ok; startup_info->prefix = prefix; + /* + * Not all paths through the setup code will call 'set_git_dir()' (which + * directly sets up the environment) so in order to guarantee that the + * environment is in a consistent state after setup, explicitly setup + * the environment if we have a repository. + * + * NEEDSWORK: currently we allow bogus GIT_DIR values to be set in some + * code paths so we also need to explicitly setup the environment if + * the user has set GIT_DIR. It may be beneficial to disallow bogus + * GIT_DIR values at some point in the future. + */ + if (startup_info->have_repository || getenv(GIT_DIR_ENVIRONMENT)) { + if (!the_repository->gitdir) { + const char *gitdir = getenv(GIT_DIR_ENVIRONMENT); + if (!gitdir) + gitdir = DEFAULT_GIT_DIR_ENVIRONMENT; + repo_set_gitdir(the_repository, gitdir); + setup_git_env(); + } + } + strbuf_release(&dir); strbuf_release(&gitdir); |