Merge branch 'jc/name' into next

diff --git a/ls-files.c b/ls-files.c
index df25c8c012a96a8277413ca3a81490b81b7dc067..3a17e5d8e0e9831700f8632cd3c2aebbdd269750 100644 (file)
--- a/ls-files.c
+++ b/ls-files.c
@@ -11,6 +11,7 @@
 #include "cache.h"
 #include "quote.h"
 
+static int abbrev = 0;
 static int show_deleted = 0;
 static int show_cached = 0;
 static int show_others = 0;
@@ -92,11 +93,12 @@ static int add_excludes_from_file_1(const char *fname,
                close(fd);
                return 0;
        }
-       buf = xmalloc(size);
+       buf = xmalloc(size+1);
        if (read(fd, buf, size) != size)
                goto err;
        close(fd);
 
+       buf[size++] = '\n';
        entry = buf;
        for (i = 0; i < size; i++) {
                if (buf[i] == '\n') {
@@ -488,7 +490,8 @@ static void show_ce_entry(const char *tag, struct cache_entry *ce)
                printf("%s%06o %s %d\t",
                       tag,
                       ntohl(ce->ce_mode),
-                      sha1_to_hex(ce->sha1),
+                      abbrev ? find_unique_abbrev(ce->sha1,abbrev)
+                               : sha1_to_hex(ce->sha1),
                       ce_stage(ce));
                write_name_quoted("", 0, ce->name + offset,
                                  line_terminator, stdout);
@@ -629,7 +632,8 @@ static void verify_pathspec(void)
 static const char ls_files_usage[] =
        "git-ls-files [-z] [-t] [-v] (--[cached|deleted|others|stage|unmerged|killed|modified])* "
        "[ --ignored ] [--exclude=<pattern>] [--exclude-from=<file>] "
-       "[ --exclude-per-directory=<filename> ] [--full-name] [--] [<file>]*";
+       "[ --exclude-per-directory=<filename> ] [--full-name] [--abbrev] "
+       "[--] [<file>]*";
 
 int main(int argc, const char **argv)
 {
@@ -736,6 +740,18 @@ int main(int argc, const char **argv)
                        error_unmatch = 1;
                        continue;
                }
+               if (!strncmp(arg, "--abbrev=", 9)) {
+                       abbrev = strtoul(arg+9, NULL, 10);
+                       if (abbrev && abbrev < MINIMUM_ABBREV)
+                               abbrev = MINIMUM_ABBREV;
+                       else if (abbrev > 40)
+                               abbrev = 40;
+                       continue;
+               }
+               if (!strcmp(arg, "--abbrev")) {
+                       abbrev = DEFAULT_ABBREV;
+                       continue;
+               }
                if (*arg == '-')
                        usage(ls_files_usage);
                break;