diff options
Diffstat (limited to 'diff.c')
| -rw-r--r-- | diff.c | 52 |
1 files changed, 27 insertions, 25 deletions
@@ -2,6 +2,7 @@ * Copyright (C) 2005 Junio C Hamano */ #include "cache.h" +#include "tempfile.h" #include "quote.h" #include "diff.h" #include "diffcore.h" @@ -13,6 +14,7 @@ #include "utf8.h" #include "userdiff.h" #include "sigchain.h" +#include "submodule-config.h" #include "submodule.h" #include "ll-merge.h" #include "string-list.h" @@ -308,11 +310,26 @@ static const char *external_diff(void) return external_diff_cmd; } +/* + * Keep track of files used for diffing. Sometimes such an entry + * refers to a temporary file, sometimes to an existing file, and + * sometimes to "/dev/null". + */ static struct diff_tempfile { - const char *name; /* filename external diff should read from */ + /* + * filename external diff should read from, or NULL if this + * entry is currently not in use: + */ + const char *name; + char hex[41]; char mode[10]; - char tmp_path[PATH_MAX]; + + /* + * If this diff_tempfile instance refers to a temporary file, + * this tempfile object is used to manage its lifetime. + */ + struct tempfile tempfile; } diff_temp[2]; typedef unsigned long (*sane_truncate_fn)(char *line, unsigned long len); @@ -597,25 +614,16 @@ static struct diff_tempfile *claim_diff_tempfile(void) { die("BUG: diff is failing to clean up its tempfiles"); } -static int remove_tempfile_installed; - static void remove_tempfile(void) { int i; for (i = 0; i < ARRAY_SIZE(diff_temp); i++) { - if (diff_temp[i].name == diff_temp[i].tmp_path) - unlink_or_warn(diff_temp[i].name); + if (is_tempfile_active(&diff_temp[i].tempfile)) + delete_tempfile(&diff_temp[i].tempfile); diff_temp[i].name = NULL; } } -static void remove_tempfile_on_signal(int signo) -{ - remove_tempfile(); - sigchain_pop(signo); - raise(signo); -} - static void print_line_count(FILE *file, int count) { switch (count) { @@ -2862,8 +2870,7 @@ static void prep_temp_blob(const char *path, struct diff_tempfile *temp, strbuf_addstr(&template, "XXXXXX_"); strbuf_addstr(&template, base); - fd = git_mkstemps(temp->tmp_path, PATH_MAX, template.buf, - strlen(base) + 1); + fd = mks_tempfile_ts(&temp->tempfile, template.buf, strlen(base) + 1); if (fd < 0) die_errno("unable to create temp-file"); if (convert_to_working_tree(path, @@ -2873,8 +2880,8 @@ static void prep_temp_blob(const char *path, struct diff_tempfile *temp, } if (write_in_full(fd, blob, size) != size) die_errno("unable to write temp-file"); - close(fd); - temp->name = temp->tmp_path; + close_tempfile(&temp->tempfile); + temp->name = get_tempfile_path(&temp->tempfile); strcpy(temp->hex, sha1_to_hex(sha1)); temp->hex[40] = 0; sprintf(temp->mode, "%06o", mode); @@ -2899,12 +2906,6 @@ static struct diff_tempfile *prepare_temp_file(const char *name, return temp; } - if (!remove_tempfile_installed) { - atexit(remove_tempfile); - sigchain_push_common(remove_tempfile_on_signal); - remove_tempfile_installed = 1; - } - if (!S_ISGITLINK(one->mode) && (!one->sha1_valid || reuse_worktree_file(name, one->sha1, 1))) { @@ -3824,9 +3825,10 @@ int diff_opt_parse(struct diff_options *options, const char **av, int ac) DIFF_OPT_SET(options, FIND_COPIES_HARDER); else if (!strcmp(arg, "--follow")) DIFF_OPT_SET(options, FOLLOW_RENAMES); - else if (!strcmp(arg, "--no-follow")) + else if (!strcmp(arg, "--no-follow")) { DIFF_OPT_CLR(options, FOLLOW_RENAMES); - else if (!strcmp(arg, "--color")) + DIFF_OPT_CLR(options, DEFAULT_FOLLOW_RENAMES); + } else if (!strcmp(arg, "--color")) options->use_color = 1; else if (skip_prefix(arg, "--color=", &arg)) { int value = git_config_colorbool(NULL, arg); |