diff options
Diffstat (limited to 'builtin/read-tree.c')
-rw-r--r-- | builtin/read-tree.c | 66 |
1 files changed, 38 insertions, 28 deletions
diff --git a/builtin/read-tree.c b/builtin/read-tree.c index df6c4c8819..8c693e7568 100644 --- a/builtin/read-tree.c +++ b/builtin/read-tree.c @@ -5,6 +5,7 @@ */ #include "cache.h" +#include "lockfile.h" #include "object.h" #include "tree.h" #include "tree-walk.h" @@ -33,7 +34,7 @@ static int list_tree(unsigned char *sha1) } static const char * const read_tree_usage[] = { - "git read-tree [[-m [--trivial] [--aggressive] | --reset | --prefix=<prefix>] [-u [--exclude-per-directory=<gitignore>] | -i]] [--no-sparse-checkout] [--index-output=<file>] (--empty | <tree-ish1> [<tree-ish2> [<tree-ish3>]])", + N_("git read-tree [(-m [--trivial] [--aggressive] | --reset | --prefix=<prefix>) [-u [--exclude-per-directory=<gitignore>] | -i]] [--no-sparse-checkout] [--index-output=<file>] (--empty | <tree-ish1> [<tree-ish2> [<tree-ish3>]])"), NULL }; @@ -66,7 +67,7 @@ static int exclude_per_directory_cb(const struct option *opt, const char *arg, return 0; } -static void debug_stage(const char *label, struct cache_entry *ce, +static void debug_stage(const char *label, const struct cache_entry *ce, struct unpack_trees_options *o) { printf("%s ", label); @@ -80,7 +81,8 @@ static void debug_stage(const char *label, struct cache_entry *ce, sha1_to_hex(ce->sha1)); } -static int debug_merge(struct cache_entry **stages, struct unpack_trees_options *o) +static int debug_merge(const struct cache_entry * const *stages, + struct unpack_trees_options *o) { int i; @@ -88,7 +90,7 @@ static int debug_merge(struct cache_entry **stages, struct unpack_trees_options debug_stage("index", stages[0], o); for (i = 1; i <= o->merge_size; i++) { char buf[24]; - sprintf(buf, "ent#%d", i); + xsnprintf(buf, sizeof(buf), "ent#%d", i); debug_stage(buf, stages[i], o); } return 0; @@ -98,43 +100,43 @@ static struct lock_file lock_file; int cmd_read_tree(int argc, const char **argv, const char *unused_prefix) { - int i, newfd, stage = 0; + int i, stage = 0; unsigned char sha1[20]; struct tree_desc t[MAX_UNPACK_TREES]; struct unpack_trees_options opts; int prefix_set = 0; const struct option read_tree_options[] = { - { OPTION_CALLBACK, 0, "index-output", NULL, "file", - "write resulting index to <file>", + { OPTION_CALLBACK, 0, "index-output", NULL, N_("file"), + N_("write resulting index to <file>"), PARSE_OPT_NONEG, index_output_cb }, OPT_SET_INT(0, "empty", &read_empty, - "only empty the index", 1), - OPT__VERBOSE(&opts.verbose_update, "be verbose"), - OPT_GROUP("Merging"), + N_("only empty the index"), 1), + OPT__VERBOSE(&opts.verbose_update, N_("be verbose")), + OPT_GROUP(N_("Merging")), OPT_SET_INT('m', NULL, &opts.merge, - "perform a merge in addition to a read", 1), + N_("perform a merge in addition to a read"), 1), OPT_SET_INT(0, "trivial", &opts.trivial_merges_only, - "3-way merge if no file level merging required", 1), + N_("3-way merge if no file level merging required"), 1), OPT_SET_INT(0, "aggressive", &opts.aggressive, - "3-way merge in presence of adds and removes", 1), + N_("3-way merge in presence of adds and removes"), 1), OPT_SET_INT(0, "reset", &opts.reset, - "same as -m, but discard unmerged entries", 1), - { OPTION_STRING, 0, "prefix", &opts.prefix, "<subdirectory>/", - "read the tree into the index under <subdirectory>/", + N_("same as -m, but discard unmerged entries"), 1), + { OPTION_STRING, 0, "prefix", &opts.prefix, N_("<subdirectory>/"), + N_("read the tree into the index under <subdirectory>/"), PARSE_OPT_NONEG | PARSE_OPT_LITERAL_ARGHELP }, OPT_SET_INT('u', NULL, &opts.update, - "update working tree with merge result", 1), + N_("update working tree with merge result"), 1), { OPTION_CALLBACK, 0, "exclude-per-directory", &opts, - "gitignore", - "allow explicitly ignored files to be overwritten", + N_("gitignore"), + N_("allow explicitly ignored files to be overwritten"), PARSE_OPT_NONEG, exclude_per_directory_cb }, OPT_SET_INT('i', NULL, &opts.index_only, - "don't check the working tree after merging", 1), - OPT__DRY_RUN(&opts.dry_run, "don't update the index or the work tree"), + N_("don't check the working tree after merging"), 1), + OPT__DRY_RUN(&opts.dry_run, N_("don't update the index or the work tree")), OPT_SET_INT(0, "no-sparse-checkout", &opts.skip_sparse_checkout, - "skip applying sparse checkout filter", 1), + N_("skip applying sparse checkout filter"), 1), OPT_SET_INT(0, "debug-unpack", &opts.debug_unpack, - "debug unpack-trees", 1), + N_("debug unpack-trees"), 1), OPT_END() }; @@ -148,12 +150,21 @@ int cmd_read_tree(int argc, const char **argv, const char *unused_prefix) argc = parse_options(argc, argv, unused_prefix, read_tree_options, read_tree_usage, 0); - newfd = hold_locked_index(&lock_file, 1); + hold_locked_index(&lock_file, 1); prefix_set = opts.prefix ? 1 : 0; if (1 < opts.merge + opts.reset + prefix_set) die("Which one? -m, --reset, or --prefix?"); + /* + * NEEDSWORK + * + * The old index should be read anyway even if we're going to + * destroy all index entries because we still need to preserve + * certain information such as index version or split-index + * mode. + */ + if (opts.reset || opts.merge || opts.prefix) { if (read_cache_unmerged() && (opts.prefix || opts.merge)) die("You need to resolve your current index first"); @@ -177,7 +188,7 @@ int cmd_read_tree(int argc, const char **argv, const char *unused_prefix) if (1 < opts.index_only + opts.update) die("-u and -i at the same time makes no sense"); - if ((opts.update||opts.index_only) && !opts.merge) + if ((opts.update || opts.index_only) && !opts.merge) die("%s is meaningless without -m, --reset, or --prefix", opts.update ? "-u" : "-i"); if ((opts.dir && !opts.update)) @@ -230,10 +241,9 @@ int cmd_read_tree(int argc, const char **argv, const char *unused_prefix) * what came from the tree. */ if (nr_trees == 1 && !opts.prefix) - prime_cache_tree(&active_cache_tree, trees[0]); + prime_cache_tree(&the_index, trees[0]); - if (write_cache(newfd, active_cache, active_nr) || - commit_locked_index(&lock_file)) + if (write_locked_index(&the_index, &lock_file, COMMIT_LOCK)) die("unable to write new index file"); return 0; } |