diff options
| -rw-r--r-- | builtin-checkout.c | 2 | ||||
| -rw-r--r-- | unpack-trees.c | 55 | ||||
| -rw-r--r-- | unpack-trees.h | 9 |
3 files changed, 52 insertions, 14 deletions
diff --git a/builtin-checkout.c b/builtin-checkout.c index 10ec137cc..83da7ca9f 100644 --- a/builtin-checkout.c +++ b/builtin-checkout.c @@ -236,6 +236,8 @@ static int merge_working_tree(struct checkout_opts *opts, topts.src_index = &the_index; topts.dst_index = &the_index; + topts.msgs.not_uptodate_file = "You have local changes to '%s'; cannot switch branches."; + refresh_cache(REFRESH_QUIET); if (unmerged_cache()) { diff --git a/unpack-trees.c b/unpack-trees.c index 1ab28fda4..0de5a31c0 100644 --- a/unpack-trees.c +++ b/unpack-trees.c @@ -8,6 +8,36 @@ #include "progress.h" #include "refs.h" +/* + * Error messages expected by scripts out of plumbing commands such as + * read-tree. Non-scripted Porcelain is not required to use these messages + * and in fact are encouraged to reword them to better suit their particular + * situation better. See how "git checkout" replaces not_uptodate_file to + * explain why it does not allow switching between branches when you have + * local changes, for example. + */ +static struct unpack_trees_error_msgs unpack_plumbing_errors = { + /* would_overwrite */ + "Entry '%s' would be overwritten by merge. Cannot merge.", + + /* not_uptodate_file */ + "Entry '%s' not uptodate. Cannot merge.", + + /* not_uptodate_dir */ + "Updating '%s' would lose untracked files in it", + + /* would_lose_untracked */ + "Untracked working tree file '%s' would be %s by merge.", + + /* bind_overlap */ + "Entry '%s' overlaps with '%s'. Cannot bind.", +}; + +#define ERRORMSG(o,fld) \ + ( ((o) && (o)->msgs.fld) \ + ? ((o)->msgs.fld) \ + : (unpack_plumbing_errors.fld) ) + static void add_entry(struct unpack_trees_options *o, struct cache_entry *ce, unsigned int set, unsigned int clear) { @@ -383,10 +413,9 @@ int unpack_trees(unsigned len, struct tree_desc *t, struct unpack_trees_options /* Here come the merge functions */ -static int reject_merge(struct cache_entry *ce) +static int reject_merge(struct cache_entry *ce, struct unpack_trees_options *o) { - return error("Entry '%s' would be overwritten by merge. Cannot merge.", - ce->name); + return error(ERRORMSG(o, would_overwrite), ce->name); } static int same(struct cache_entry *a, struct cache_entry *b) @@ -430,7 +459,7 @@ static int verify_uptodate(struct cache_entry *ce, if (errno == ENOENT) return 0; return o->gently ? -1 : - error("Entry '%s' not uptodate. Cannot merge.", ce->name); + error(ERRORMSG(o, not_uptodate_file), ce->name); } static void invalidate_ce_path(struct cache_entry *ce, struct unpack_trees_options *o) @@ -517,8 +546,7 @@ static int verify_clean_subdirectory(struct cache_entry *ce, const char *action, i = read_directory(&d, ce->name, pathbuf, namelen+1, NULL); if (i) return o->gently ? -1 : - error("Updating '%s' would lose untracked files in it", - ce->name); + error(ERRORMSG(o, not_uptodate_dir), ce->name); free(pathbuf); return cnt; } @@ -618,8 +646,7 @@ static int verify_absent(struct cache_entry *ce, const char *action, } return o->gently ? -1 : - error("Untracked working tree file '%s' " - "would be %s by merge.", ce->name, action); + error(ERRORMSG(o, would_lose_untracked), ce->name, action); } return 0; } @@ -751,7 +778,7 @@ int threeway_merge(struct cache_entry **stages, struct unpack_trees_options *o) /* #14, #14ALT, #2ALT */ if (remote && !df_conflict_head && head_match && !remote_match) { if (index && !same(index, remote) && !same(index, head)) - return o->gently ? -1 : reject_merge(index); + return o->gently ? -1 : reject_merge(index, o); return merged_entry(remote, index, o); } /* @@ -759,7 +786,7 @@ int threeway_merge(struct cache_entry **stages, struct unpack_trees_options *o) * make sure that it matches head. */ if (index && !same(index, head)) - return o->gently ? -1 : reject_merge(index); + return o->gently ? -1 : reject_merge(index, o); if (head) { /* #5ALT, #15 */ @@ -901,11 +928,11 @@ int twoway_merge(struct cache_entry **src, struct unpack_trees_options *o) else { /* all other failures */ if (oldtree) - return o->gently ? -1 : reject_merge(oldtree); + return o->gently ? -1 : reject_merge(oldtree, o); if (current) - return o->gently ? -1 : reject_merge(current); + return o->gently ? -1 : reject_merge(current, o); if (newtree) - return o->gently ? -1 : reject_merge(newtree); + return o->gently ? -1 : reject_merge(newtree, o); return -1; } } @@ -931,7 +958,7 @@ int bind_merge(struct cache_entry **src, o->merge_size); if (a && old) return o->gently ? -1 : - error("Entry '%s' overlaps with '%s'. Cannot bind.", a->name, old->name); + error(ERRORMSG(o, bind_overlap), a->name, old->name); if (!a) return keep_entry(old, o); else diff --git a/unpack-trees.h b/unpack-trees.h index d436d6ced..94e567265 100644 --- a/unpack-trees.h +++ b/unpack-trees.h @@ -8,6 +8,14 @@ struct unpack_trees_options; typedef int (*merge_fn_t)(struct cache_entry **src, struct unpack_trees_options *options); +struct unpack_trees_error_msgs { + const char *would_overwrite; + const char *not_uptodate_file; + const char *not_uptodate_dir; + const char *would_lose_untracked; + const char *bind_overlap; +}; + struct unpack_trees_options { unsigned int reset:1, merge:1, @@ -23,6 +31,7 @@ struct unpack_trees_options { int pos; struct dir_struct *dir; merge_fn_t fn; + struct unpack_trees_error_msgs msgs; int head_idx; int merge_size; |