diff options
Diffstat (limited to 'read-cache.c')
-rw-r--r-- | read-cache.c | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/read-cache.c b/read-cache.c index 4b35e87847..ba094fd485 100644 --- a/read-cache.c +++ b/read-cache.c @@ -6,6 +6,8 @@ #define NO_THE_INDEX_COMPATIBILITY_MACROS #include "cache.h" #include "config.h" +#include "diff.h" +#include "diffcore.h" #include "tempfile.h" #include "lockfile.h" #include "cache-tree.h" @@ -1984,6 +1986,37 @@ int unmerged_index(const struct index_state *istate) return 0; } +int index_has_changes(struct strbuf *sb) +{ + struct object_id head; + int i; + + if (!get_oid_tree("HEAD", &head)) { + struct diff_options opt; + + diff_setup(&opt); + opt.flags.exit_with_status = 1; + if (!sb) + opt.flags.quick = 1; + do_diff_cache(&head, &opt); + diffcore_std(&opt); + for (i = 0; sb && i < diff_queued_diff.nr; i++) { + if (i) + strbuf_addch(sb, ' '); + strbuf_addstr(sb, diff_queued_diff.queue[i]->two->path); + } + diff_flush(&opt); + return opt.flags.has_changes != 0; + } else { + for (i = 0; sb && i < the_index.cache_nr; i++) { + if (i) + strbuf_addch(sb, ' '); + strbuf_addstr(sb, the_index.cache[i]->name); + } + return !!the_index.cache_nr; + } +} + #define WRITE_BUFFER_SIZE 8192 static unsigned char write_buffer[WRITE_BUFFER_SIZE]; static unsigned long write_buffer_len; |