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Re: [PATCH 1/4] stash: convert apply to builtin

From
Eric Sunshine <sunshine@sunshineco.com>
Date
Mar 25, 2018, 06:40 UTC
Message-ID
<CAPig+cSkQLSvOroB0bLLLBAXy9UBDN+s=i97COtNDpO0FbLJkg@mail.gmail.com>
In-Reply-To
<20180324173707.17699-2-joel@teichroeb.net>
On Sat, Mar 24, 2018 at 1:37 PM, Joel Teichroeb <joel@teichroeb.net> wrote:
Show 13 quoted lines
> diff --git a/builtin/stash--helper.c b/builtin/stash--helper.c
> @@ -0,0 +1,339 @@
> +static int get_stash_info(struct stash_info *info, const char *commit)
> +{
> +       struct strbuf w_commit_rev = STRBUF_INIT;
> +       struct strbuf b_commit_rev = STRBUF_INIT;
> +       struct strbuf w_tree_rev = STRBUF_INIT;
> +       struct strbuf b_tree_rev = STRBUF_INIT;
> +       struct strbuf i_tree_rev = STRBUF_INIT;
> +       struct strbuf u_tree_rev = STRBUF_INIT;
> +       struct strbuf commit_buf = STRBUF_INIT;
> +       struct strbuf symbolic = STRBUF_INIT;
> +       struct strbuf out = STRBUF_INIT;

'commit_buf' is being leaked. All the others seem to be covered (even in the case of early 'return').

Show 21 quoted lines
> +       if (commit == NULL) {
> +               strbuf_addf(&commit_buf, "%s@{0}", ref_stash);
> +               revision = commit_buf.buf;
> +       } else if (strspn(commit, "0123456789") == strlen(commit)) {
> +               strbuf_addf(&commit_buf, "%s@{%s}", ref_stash, commit);
> +               revision = commit_buf.buf;
> +       }
> +static int do_apply_stash(const char *prefix, struct stash_info *info, int index)
> +{
> +       if (index) {
> +               if (!oidcmp(&info->b_tree, &info->i_tree) || !oidcmp(&c_tree, &info->i_tree)) {
> +                       has_index = 0;
> +               } else {
> +                       struct child_process cp = CHILD_PROCESS_INIT;
> +                       struct strbuf out = STRBUF_INIT;
> +                       struct argv_array args = ARGV_ARRAY_INIT;
> +                       cp.git_cmd = 1;
> +                       argv_array_pushl(&cp.args, "diff-tree", "--binary", NULL);
> +                       argv_array_pushf(&cp.args, "%s^2^..%s^2", sha1_to_hex(info->w_commit.hash), sha1_to_hex(info->w_commit.hash));
> +                       if (pipe_command(&cp, NULL, 0, &out, 0, NULL, 0))
> +                               return -1;
Leaking 'out'?
Show 6 quoted lines
> +
> +                       child_process_init(&cp);
> +                       cp.git_cmd = 1;
> +                       argv_array_pushl(&cp.args, "apply", "--cached", NULL);
> +                       if (pipe_command(&cp, out.buf, out.len, NULL, 0, NULL, 0))
> +                               return -1;
Leaking 'out'.
Show 26 quoted lines
> +
> +                       strbuf_release(&out);
> +                       discard_cache();
> +                       read_cache();
> +                       if (write_cache_as_tree(index_tree.hash, 0, NULL))
> +                               return -1;
> +
> +                       argv_array_push(&args, "reset");
> +                       cmd_reset(args.argc, args.argv, prefix);
> +               }
> +       }
> +       if (has_index) {
> +               if (reset_tree(index_tree, 0, 0))
> +                       return -1;
> +       } else {
> +               struct child_process cp = CHILD_PROCESS_INIT;
> +               struct strbuf out = STRBUF_INIT;
> +               cp.git_cmd = 1;
> +               argv_array_pushl(&cp.args, "diff-index", "--cached", "--name-only", "--diff-filter=A", NULL);
> +               argv_array_push(&cp.args, sha1_to_hex(c_tree.hash));
> +               ret = pipe_command(&cp, NULL, 0, &out, 0, NULL, 0);
> +               if (ret)
> +                       return -1;
> +
> +               if (reset_tree(c_tree, 0, 1))
> +                       return -1;
Leaking 'out' at these two 'return's?
Show 6 quoted lines
> +               child_process_init(&cp);
> +               cp.git_cmd = 1;
> +               argv_array_pushl(&cp.args, "update-index", "--add", "--stdin", NULL);
> +               ret = pipe_command(&cp, out.buf, out.len, NULL, 0, NULL, 0);
> +               if (ret)
> +                       return -1;
And here.
Show 23 quoted lines
> +
> +               strbuf_release(&out);
> +               discard_cache();
> +       }
> +
> +       if (!quiet) {
> +               struct argv_array args = ARGV_ARRAY_INIT;
> +               argv_array_push(&args, "status");
> +               cmd_status(args.argc, args.argv, prefix);
> +       }
> +
> +       return 0;
> +}
> +
> +static int apply_stash(int argc, const char **argv, const char *prefix)
> +{
> +       const char *commit = NULL;
> +       int index = 0;
> +       struct stash_info info;
> +       struct option options[] = {
> +               OPT__QUIET(&quiet, N_("be quiet, only report errors")),
> +               OPT_BOOL(0, "index", &index,
> +                       N_("attempt to ininstate the index")),
"ininstate"??
Show 16 quoted lines
> +               OPT_END()
> +       };
> +
> +       argc = parse_options(argc, argv, prefix, options,
> +                       git_stash_helper_apply_usage, 0);
> +
> +       if (argc == 1) {
> +               commit = argv[0];
> +       }
> +
> +       if (get_stash_info(&info, commit))
> +               return -1;
> +
> +
> +       return do_apply_stash(prefix, &info, index);
> +}
Previous: Christian CouderNext: Christian Couder
Message 4 of 25 in “Convert some stash functionality to a builtin”
  1. 0/4 Convert some stash functionality to a builtinJoel Teichroeb, Mar 24, 2018
  2. 1/4 stash: convert apply to builtinJoel Teichroeb, Mar 24, 2018
  3. Christian CouderMar 24, 2018
  4. Eric SunshineMar 25, 2018
  5. Christian CouderMar 25, 2018
  6. Christian CouderMar 25, 2018
  7. Joel TeichroebMar 25, 2018
  8. Christian CouderMar 25, 2018
  9. Thomas GummererMar 25, 2018
  10. Joel TeichroebMar 28, 2018
  11. Thomas GummererMar 25, 2018
  12. 2/4 stash: convert branch to builtinJoel Teichroeb, Mar 24, 2018
  13. Eric SunshineMar 25, 2018
  14. Christian CouderMar 25, 2018
  15. Thomas GummererMar 25, 2018
  16. 3/4 stash: convert drop and clear to builtinJoel Teichroeb, Mar 24, 2018
  17. Christian CouderMar 24, 2018
  18. Eric SunshineMar 25, 2018
  19. 4/4 stash: convert pop to builtinJoel Teichroeb, Mar 24, 2018
  20. Eric SunshineMar 25, 2018
  21. Thomas GummererMar 25, 2018
  22. Thomas GummererMar 25, 2018
  23. Remove contrib/examples/*Ævar Arnfjörð Bjarmason, Mar 25, 2018
  24. Jeff KingMar 26, 2018
  25. Junio C HamanoMar 26, 2018

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