diff options
| -rw-r--r-- | builtin/difftool.c | 50 | ||||
| -rwxr-xr-x | t/t7800-difftool.sh | 7 |
2 files changed, 31 insertions, 26 deletions
diff --git a/builtin/difftool.c b/builtin/difftool.c index 21e055d13a..797161adcd 100644 --- a/builtin/difftool.c +++ b/builtin/difftool.c @@ -252,16 +252,6 @@ static void changed_files(struct hashmap *result, const char *index_path, strbuf_release(&buf); } -static NORETURN void exit_cleanup(const char *tmpdir, int exit_code) -{ - struct strbuf buf = STRBUF_INIT; - strbuf_addstr(&buf, tmpdir); - remove_dir_recursively(&buf, 0); - if (exit_code) - warning(_("failed: %d"), exit_code); - exit(exit_code); -} - static int ensure_leading_directories(char *path) { switch (safe_create_leading_directories(path)) { @@ -333,16 +323,16 @@ static int checkout_path(unsigned mode, struct object_id *oid, static int run_dir_diff(const char *extcmd, int symlinks, const char *prefix, struct child_process *child) { - char tmpdir[PATH_MAX]; struct strbuf info = STRBUF_INIT, lpath = STRBUF_INIT; struct strbuf rpath = STRBUF_INIT, buf = STRBUF_INIT; struct strbuf ldir = STRBUF_INIT, rdir = STRBUF_INIT; struct strbuf wtdir = STRBUF_INIT; - char *lbase_dir, *rbase_dir; + struct strbuf tmpdir = STRBUF_INIT; + char *lbase_dir = NULL, *rbase_dir = NULL; size_t ldir_len, rdir_len, wtdir_len; const char *workdir, *tmp; int ret = 0, i; - FILE *fp; + FILE *fp = NULL; struct hashmap working_tree_dups = HASHMAP_INIT(working_tree_entry_cmp, NULL); struct hashmap submodules = HASHMAP_INIT(pair_cmp, NULL); @@ -351,7 +341,7 @@ static int run_dir_diff(const char *extcmd, int symlinks, const char *prefix, struct pair_entry *entry; struct index_state wtindex; struct checkout lstate, rstate; - int rc, flags = RUN_GIT_CMD, err = 0; + int flags = RUN_GIT_CMD, err = 0; const char *helper_argv[] = { "difftool--helper", NULL, NULL, NULL }; struct hashmap wt_modified, tmp_modified; int indices_loaded = 0; @@ -360,11 +350,15 @@ static int run_dir_diff(const char *extcmd, int symlinks, const char *prefix, /* Setup temp directories */ tmp = getenv("TMPDIR"); - xsnprintf(tmpdir, sizeof(tmpdir), "%s/git-difftool.XXXXXX", tmp ? tmp : "/tmp"); - if (!mkdtemp(tmpdir)) - return error("could not create '%s'", tmpdir); - strbuf_addf(&ldir, "%s/left/", tmpdir); - strbuf_addf(&rdir, "%s/right/", tmpdir); + strbuf_add_absolute_path(&tmpdir, tmp ? tmp : "/tmp"); + strbuf_trim_trailing_dir_sep(&tmpdir); + strbuf_addstr(&tmpdir, "/git-difftool.XXXXXX"); + if (!mkdtemp(tmpdir.buf)) { + ret = error("could not create '%s'", tmpdir.buf); + goto finish; + } + strbuf_addf(&ldir, "%s/left/", tmpdir.buf); + strbuf_addf(&rdir, "%s/right/", tmpdir.buf); strbuf_addstr(&wtdir, workdir); if (!wtdir.len || !is_dir_sep(wtdir.buf[wtdir.len - 1])) strbuf_addch(&wtdir, '/'); @@ -580,7 +574,7 @@ static int run_dir_diff(const char *extcmd, int symlinks, const char *prefix, flags = 0; } else setenv("GIT_DIFFTOOL_DIRDIFF", "true", 1); - rc = run_command_v_opt(helper_argv, flags); + ret = run_command_v_opt(helper_argv, flags); /* TODO: audit for interaction with sparse-index. */ ensure_full_index(&wtindex); @@ -614,7 +608,7 @@ static int run_dir_diff(const char *extcmd, int symlinks, const char *prefix, if (!indices_loaded) { struct lock_file lock = LOCK_INIT; strbuf_reset(&buf); - strbuf_addf(&buf, "%s/wtindex", tmpdir); + strbuf_addf(&buf, "%s/wtindex", tmpdir.buf); if (hold_lock_file_for_update(&lock, buf.buf, 0) < 0 || write_locked_index(&wtindex, &lock, COMMIT_LOCK)) { ret = error("could not write %s", buf.buf); @@ -644,11 +638,14 @@ static int run_dir_diff(const char *extcmd, int symlinks, const char *prefix, } if (err) { - warning(_("temporary files exist in '%s'."), tmpdir); + warning(_("temporary files exist in '%s'."), tmpdir.buf); warning(_("you may want to cleanup or recover these.")); - exit(1); - } else - exit_cleanup(tmpdir, rc); + ret = 1; + } else { + remove_dir_recursively(&tmpdir, 0); + if (ret) + warning(_("failed: %d"), ret); + } finish: if (fp) @@ -660,8 +657,9 @@ finish: strbuf_release(&rdir); strbuf_release(&wtdir); strbuf_release(&buf); + strbuf_release(&tmpdir); - return ret; + return (ret < 0) ? 1 : ret; } static int run_file_diff(int prompt, const char *prefix, diff --git a/t/t7800-difftool.sh b/t/t7800-difftool.sh index 528e0dabf0..096456292c 100755 --- a/t/t7800-difftool.sh +++ b/t/t7800-difftool.sh @@ -453,6 +453,13 @@ run_dir_diff_test 'difftool --dir-diff' ' grep "^file$" output ' +run_dir_diff_test 'difftool --dir-diff avoids repeated slashes in TMPDIR' ' + TMPDIR="${TMPDIR:-/tmp}////" \ + git difftool --dir-diff $symlinks --extcmd echo branch >output && + grep -v // output >actual && + test_line_count = 1 actual +' + run_dir_diff_test 'difftool --dir-diff ignores --prompt' ' git difftool --dir-diff $symlinks --prompt --extcmd ls branch >output && grep "^sub$" output && |