index-pack: work around thread-unsafe pread()

diff --git a/builtin/prune.c b/builtin/prune.c
index 85843d4f1728a907aafab9938b4c827990a7695f..de43b26cfe9c7610c13e3320bdac9fa2049e4db6 100644 (file)
--- a/builtin/prune.c
+++ b/builtin/prune.c
@@ -17,9 +17,8 @@ static int verbose;
 static unsigned long expire;
 static int show_progress = -1;
 
-static int prune_tmp_object(const char *path, const char *filename)
+static int prune_tmp_file(const char *fullpath)
 {
-       const char *fullpath = mkpath("%s/%s", path, filename);
        struct stat st;
        if (lstat(fullpath, &st))
                return error("Could not stat '%s'", fullpath);
@@ -32,9 +31,8 @@ static int prune_tmp_object(const char *path, const char *filename)
        return 0;
 }
 
-static int prune_object(char *path, const char *filename, const unsigned char *sha1)
+static int prune_object(const char *fullpath, const unsigned char *sha1)
 {
-       const char *fullpath = mkpath("%s/%s", path, filename);
        struct stat st;
        if (lstat(fullpath, &st))
                return error("Could not stat '%s'", fullpath);
@@ -50,9 +48,10 @@ static int prune_object(char *path, const char *filename, const unsigned char *s
        return 0;
 }
 
-static int prune_dir(int i, char *path)
+static int prune_dir(int i, struct strbuf *path)
 {
-       DIR *dir = opendir(path);
+       size_t baselen = path->len;
+       DIR *dir = opendir(path->buf);
        struct dirent *de;
 
        if (!dir)
@@ -77,28 +76,39 @@ static int prune_dir(int i, char *path)
                        if (lookup_object(sha1))
                                continue;
 
-                       prune_object(path, de->d_name, sha1);
+                       strbuf_addf(path, "/%s", de->d_name);
+                       prune_object(path->buf, sha1);
+                       strbuf_setlen(path, baselen);
                        continue;
                }
-               if (!prefixcmp(de->d_name, "tmp_obj_")) {
-                       prune_tmp_object(path, de->d_name);
+               if (starts_with(de->d_name, "tmp_obj_")) {
+                       strbuf_addf(path, "/%s", de->d_name);
+                       prune_tmp_file(path->buf);
+                       strbuf_setlen(path, baselen);
                        continue;
                }
-               fprintf(stderr, "bad sha1 file: %s/%s\n", path, de->d_name);
+               fprintf(stderr, "bad sha1 file: %s/%s\n", path->buf, de->d_name);
        }
        closedir(dir);
        if (!show_only)
-               rmdir(path);
+               rmdir(path->buf);
        return 0;
 }
 
 static void prune_object_dir(const char *path)
 {
+       struct strbuf buf = STRBUF_INIT;
+       size_t baselen;
        int i;
+
+       strbuf_addstr(&buf, path);
+       strbuf_addch(&buf, '/');
+       baselen = buf.len;
+
        for (i = 0; i < 256; i++) {
-               static char dir[4096];
-               sprintf(dir, "%s/%02x", path, i);
-               prune_dir(i, dir);
+               strbuf_addf(&buf, "%02x", i);
+               prune_dir(i, &buf);
+               strbuf_setlen(&buf, baselen);
        }
 }
 
@@ -119,8 +129,8 @@ static void remove_temporary_files(const char *path)
                return;
        }
        while ((de = readdir(dir)) != NULL)
-               if (!prefixcmp(de->d_name, "tmp_"))
-                       prune_tmp_object(path, de->d_name);
+               if (starts_with(de->d_name, "tmp_"))
+                       prune_tmp_file(mkpath("%s/%s", path, de->d_name));
        closedir(dir);
 }
 
@@ -132,8 +142,8 @@ int cmd_prune(int argc, const char **argv, const char *prefix)
                OPT__DRY_RUN(&show_only, N_("do not remove, show only")),
                OPT__VERBOSE(&verbose, N_("report pruned objects")),
                OPT_BOOL(0, "progress", &show_progress, N_("show progress")),
-               OPT_DATE(0, "expire", &expire,
-                        N_("expire objects older than <time>")),
+               OPT_EXPIRY_DATE(0, "expire", &expire,
+                               N_("expire objects older than <time>")),
                OPT_END()
        };
        char *s;
@@ -165,10 +175,14 @@ int cmd_prune(int argc, const char **argv, const char *prefix)
        stop_progress(&progress);
        prune_object_dir(get_object_directory());
 
-       prune_packed_objects(show_only);
+       prune_packed_objects(show_only ? PRUNE_PACKED_DRY_RUN : 0);
        remove_temporary_files(get_object_directory());
        s = mkpathdup("%s/pack", get_object_directory());
        remove_temporary_files(s);
        free(s);
+
+       if (is_repository_shallow())
+               prune_shallow(show_only);
+
        return 0;
 }