diff options
-rw-r--r-- | cache.h | 6 | ||||
-rw-r--r-- | read-cache.c | 117 | ||||
-rw-r--r-- | update-index.c | 128 |
3 files changed, 129 insertions, 122 deletions
@@ -158,6 +158,12 @@ extern int index_pipe(unsigned char *sha1, int fd, const char *type, int write_o extern int index_path(unsigned char *sha1, const char *path, struct stat *st, int write_object); extern void fill_stat_cache_info(struct cache_entry *ce, struct stat *st); +#define REFRESH_REALLY 0x0001 /* ignore_valid */ +#define REFRESH_UNMERGED 0x0002 /* allow unmerged */ +#define REFRESH_QUIET 0x0004 /* be quiet about it */ +#define REFRESH_IGNORE_MISSING 0x0008 /* ignore non-existent */ +extern int refresh_cache(unsigned int flags); + struct cache_file { struct cache_file *next; char lockfile[PATH_MAX]; diff --git a/read-cache.c b/read-cache.c index a917ab0cf..b95edcc14 100644 --- a/read-cache.c +++ b/read-cache.c @@ -496,6 +496,123 @@ int add_cache_entry(struct cache_entry *ce, int option) return 0; } +/* Three functions to allow overloaded pointer return; see linux/err.h */ +static inline void *ERR_PTR(long error) +{ + return (void *) error; +} + +static inline long PTR_ERR(const void *ptr) +{ + return (long) ptr; +} + +static inline long IS_ERR(const void *ptr) +{ + return (unsigned long)ptr > (unsigned long)-1000L; +} + +/* + * "refresh" does not calculate a new sha1 file or bring the + * cache up-to-date for mode/content changes. But what it + * _does_ do is to "re-match" the stat information of a file + * with the cache, so that you can refresh the cache for a + * file that hasn't been changed but where the stat entry is + * out of date. + * + * For example, you'd want to do this after doing a "git-read-tree", + * to link up the stat cache details with the proper files. + */ +static struct cache_entry *refresh_entry(struct cache_entry *ce, int really) +{ + struct stat st; + struct cache_entry *updated; + int changed, size; + + if (lstat(ce->name, &st) < 0) + return ERR_PTR(-errno); + + changed = ce_match_stat(ce, &st, really); + if (!changed) { + if (really && assume_unchanged && + !(ce->ce_flags & htons(CE_VALID))) + ; /* mark this one VALID again */ + else + return NULL; + } + + if (ce_modified(ce, &st, really)) + return ERR_PTR(-EINVAL); + + size = ce_size(ce); + updated = xmalloc(size); + memcpy(updated, ce, size); + fill_stat_cache_info(updated, &st); + + /* In this case, if really is not set, we should leave + * CE_VALID bit alone. Otherwise, paths marked with + * --no-assume-unchanged (i.e. things to be edited) will + * reacquire CE_VALID bit automatically, which is not + * really what we want. + */ + if (!really && assume_unchanged && !(ce->ce_flags & htons(CE_VALID))) + updated->ce_flags &= ~htons(CE_VALID); + + return updated; +} + +int refresh_cache(unsigned int flags) +{ + int i; + int has_errors = 0; + int really = (flags & REFRESH_REALLY) != 0; + int allow_unmerged = (flags & REFRESH_UNMERGED) != 0; + int quiet = (flags & REFRESH_QUIET) != 0; + int not_new = (flags & REFRESH_IGNORE_MISSING) != 0; + + for (i = 0; i < active_nr; i++) { + struct cache_entry *ce, *new; + ce = active_cache[i]; + if (ce_stage(ce)) { + while ((i < active_nr) && + ! strcmp(active_cache[i]->name, ce->name)) + i++; + i--; + if (allow_unmerged) + continue; + printf("%s: needs merge\n", ce->name); + has_errors = 1; + continue; + } + + new = refresh_entry(ce, really); + if (!new) + continue; + if (IS_ERR(new)) { + if (not_new && PTR_ERR(new) == -ENOENT) + continue; + if (really && PTR_ERR(new) == -EINVAL) { + /* If we are doing --really-refresh that + * means the index is not valid anymore. + */ + ce->ce_flags &= ~htons(CE_VALID); + active_cache_changed = 1; + } + if (quiet) + continue; + printf("%s: needs update\n", ce->name); + has_errors = 1; + continue; + } + active_cache_changed = 1; + /* You can NOT just free active_cache[i] here, since it + * might not be necessarily malloc()ed but can also come + * from mmap(). */ + active_cache[i] = new; + } + return has_errors; +} + static int verify_hdr(struct cache_header *hdr, unsigned long size) { SHA_CTX c; diff --git a/update-index.c b/update-index.c index 3d7e02db2..7d6de821e 100644 --- a/update-index.c +++ b/update-index.c @@ -18,9 +18,6 @@ static int allow_add; static int allow_remove; static int allow_replace; -static int allow_unmerged; /* --refresh needing merge is not error */ -static int not_new; /* --refresh not having working tree files is not error */ -static int quiet; /* --refresh needing update is not error */ static int info_only; static int force_remove; static int verbose; @@ -28,23 +25,6 @@ static int mark_valid_only = 0; #define MARK_VALID 1 #define UNMARK_VALID 2 - -/* Three functions to allow overloaded pointer return; see linux/err.h */ -static inline void *ERR_PTR(long error) -{ - return (void *) error; -} - -static inline long PTR_ERR(const void *ptr) -{ - return (long) ptr; -} - -static inline long IS_ERR(const void *ptr) -{ - return (unsigned long)ptr > (unsigned long)-1000L; -} - static void report(const char *fmt, ...) { va_list vp; @@ -141,103 +121,6 @@ static int add_file_to_cache(const char *path) } /* - * "refresh" does not calculate a new sha1 file or bring the - * cache up-to-date for mode/content changes. But what it - * _does_ do is to "re-match" the stat information of a file - * with the cache, so that you can refresh the cache for a - * file that hasn't been changed but where the stat entry is - * out of date. - * - * For example, you'd want to do this after doing a "git-read-tree", - * to link up the stat cache details with the proper files. - */ -static struct cache_entry *refresh_entry(struct cache_entry *ce, int really) -{ - struct stat st; - struct cache_entry *updated; - int changed, size; - - if (lstat(ce->name, &st) < 0) - return ERR_PTR(-errno); - - changed = ce_match_stat(ce, &st, really); - if (!changed) { - if (really && assume_unchanged && - !(ce->ce_flags & htons(CE_VALID))) - ; /* mark this one VALID again */ - else - return NULL; - } - - if (ce_modified(ce, &st, really)) - return ERR_PTR(-EINVAL); - - size = ce_size(ce); - updated = xmalloc(size); - memcpy(updated, ce, size); - fill_stat_cache_info(updated, &st); - - /* In this case, if really is not set, we should leave - * CE_VALID bit alone. Otherwise, paths marked with - * --no-assume-unchanged (i.e. things to be edited) will - * reacquire CE_VALID bit automatically, which is not - * really what we want. - */ - if (!really && assume_unchanged && !(ce->ce_flags & htons(CE_VALID))) - updated->ce_flags &= ~htons(CE_VALID); - - return updated; -} - -static int refresh_cache(int really) -{ - int i; - int has_errors = 0; - - for (i = 0; i < active_nr; i++) { - struct cache_entry *ce, *new; - ce = active_cache[i]; - if (ce_stage(ce)) { - while ((i < active_nr) && - ! strcmp(active_cache[i]->name, ce->name)) - i++; - i--; - if (allow_unmerged) - continue; - printf("%s: needs merge\n", ce->name); - has_errors = 1; - continue; - } - - new = refresh_entry(ce, really); - if (!new) - continue; - if (IS_ERR(new)) { - if (not_new && PTR_ERR(new) == -ENOENT) - continue; - if (really && PTR_ERR(new) == -EINVAL) { - /* If we are doing --really-refresh that - * means the index is not valid anymore. - */ - ce->ce_flags &= ~htons(CE_VALID); - active_cache_changed = 1; - } - if (quiet) - continue; - printf("%s: needs update\n", ce->name); - has_errors = 1; - continue; - } - active_cache_changed = 1; - /* You can NOT just free active_cache[i] here, since it - * might not be necessarily malloc()ed but can also come - * from mmap(). */ - active_cache[i] = new; - } - return has_errors; -} - -/* * We fundamentally don't like some paths: we don't want * dot or dot-dot anywhere, and for obvious reasons don't * want to recurse into ".git" either. @@ -653,6 +536,7 @@ int main(int argc, const char **argv) const char *prefix = setup_git_directory(); int prefix_length = prefix ? strlen(prefix) : 0; char set_executable_bit = 0; + unsigned int refresh_flags = 0; git_config(git_default_config); @@ -673,7 +557,7 @@ int main(int argc, const char **argv) continue; } if (!strcmp(path, "-q")) { - quiet = 1; + refresh_flags |= REFRESH_QUIET; continue; } if (!strcmp(path, "--add")) { @@ -689,15 +573,15 @@ int main(int argc, const char **argv) continue; } if (!strcmp(path, "--unmerged")) { - allow_unmerged = 1; + refresh_flags |= REFRESH_UNMERGED; continue; } if (!strcmp(path, "--refresh")) { - has_errors |= refresh_cache(0); + has_errors |= refresh_cache(refresh_flags); continue; } if (!strcmp(path, "--really-refresh")) { - has_errors |= refresh_cache(1); + has_errors |= refresh_cache(REFRESH_REALLY | refresh_flags); continue; } if (!strcmp(path, "--cacheinfo")) { @@ -770,7 +654,7 @@ int main(int argc, const char **argv) goto finish; } if (!strcmp(path, "--ignore-missing")) { - not_new = 1; + refresh_flags |= REFRESH_IGNORE_MISSING; continue; } if (!strcmp(path, "--verbose")) { |