git-clean: Fix error message if clean.requireForce is not set.
[git/git.git] / builtin-clean.c
CommitLineData
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1/*
2 * "git clean" builtin command
3 *
4 * Copyright (C) 2007 Shawn Bohrer
5 *
6 * Based on git-clean.sh by Pavel Roskin
7 */
8
9#include "builtin.h"
10#include "cache.h"
11#include "dir.h"
12#include "parse-options.h"
13
625db1b7 14static int force = -1; /* unset */
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15
16static const char *const builtin_clean_usage[] = {
17 "git-clean [-d] [-f] [-n] [-q] [-x | -X] [--] <paths>...",
18 NULL
19};
20
21static int git_clean_config(const char *var, const char *value)
22{
23 if (!strcmp(var, "clean.requireforce"))
24 force = !git_config_bool(var, value);
25 return 0;
26}
27
28int cmd_clean(int argc, const char **argv, const char *prefix)
29{
30 int j;
31 int show_only = 0, remove_directories = 0, quiet = 0, ignored = 0;
625db1b7 32 int ignored_only = 0, baselen = 0, config_set = 0;
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33 struct strbuf directory;
34 struct dir_struct dir;
35 const char *path, *base;
36 static const char **pathspec;
37 struct option options[] = {
38 OPT__QUIET(&quiet),
39 OPT__DRY_RUN(&show_only),
40 OPT_BOOLEAN('f', NULL, &force, "force"),
41 OPT_BOOLEAN('d', NULL, &remove_directories,
42 "remove whole directories"),
43 OPT_BOOLEAN('x', NULL, &ignored, "remove ignored files, too"),
44 OPT_BOOLEAN('X', NULL, &ignored_only,
45 "remove only ignored files"),
46 OPT_END()
47 };
48
49 git_config(git_clean_config);
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50 if (force < 0)
51 force = 0;
52 else
53 config_set = 1;
54
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55 argc = parse_options(argc, argv, options, builtin_clean_usage, 0);
56
57 memset(&dir, 0, sizeof(dir));
58 if (ignored_only) {
59 dir.show_ignored =1;
60 dir.exclude_per_dir = ".gitignore";
61 }
62
63 if (ignored && ignored_only)
64 die("-x and -X cannot be used together");
65
66 if (!show_only && !force)
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67 die("clean.requireForce%s set and -n or -f not given; "
68 "refusing to clean", config_set ? "" : " not");
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69
70 dir.show_other_directories = 1;
71
72 if (!ignored) {
73 dir.exclude_per_dir = ".gitignore";
74 if (!access(git_path("info/exclude"), F_OK)) {
75 char *exclude_path = git_path("info/exclude");
76 add_excludes_from_file(&dir, exclude_path);
77 }
78 }
79
80 pathspec = get_pathspec(prefix, argv);
81 read_cache();
82
83 /*
84 * Calculate common prefix for the pathspec, and
85 * use that to optimize the directory walk
86 */
87 baselen = common_prefix(pathspec);
88 path = ".";
89 base = "";
90 if (baselen)
91 path = base = xmemdupz(*pathspec, baselen);
92 read_directory(&dir, path, base, baselen, pathspec);
93 strbuf_init(&directory, 0);
94
95 for (j = 0; j < dir.nr; ++j) {
96 struct dir_entry *ent = dir.entries[j];
97 int len, pos, specs;
98 struct cache_entry *ce;
99 struct stat st;
100 char *seen;
101
102 /*
103 * Remove the '/' at the end that directory
104 * walking adds for directory entries.
105 */
106 len = ent->len;
107 if (len && ent->name[len-1] == '/')
108 len--;
109 pos = cache_name_pos(ent->name, len);
110 if (0 <= pos)
111 continue; /* exact match */
112 pos = -pos - 1;
113 if (pos < active_nr) {
114 ce = active_cache[pos];
115 if (ce_namelen(ce) == len &&
116 !memcmp(ce->name, ent->name, len))
117 continue; /* Yup, this one exists unmerged */
118 }
119
120 if (!lstat(ent->name, &st) && (S_ISDIR(st.st_mode))) {
121 int matched_path = 0;
122 strbuf_addstr(&directory, ent->name);
123 if (pathspec) {
124 for (specs =0; pathspec[specs]; ++specs)
125 /* nothing */;
126 seen = xcalloc(specs, 1);
127 /* Check if directory was explictly passed as
128 * pathspec. If so we want to remove it */
129 if (match_pathspec(pathspec, ent->name, ent->len,
130 baselen, seen))
131 matched_path = 1;
132 free(seen);
133 }
134 if (show_only && (remove_directories || matched_path)) {
135 printf("Would remove %s\n", directory.buf);
136 } else if (quiet && (remove_directories || matched_path)) {
137 remove_dir_recursively(&directory, 0);
138 } else if (remove_directories || matched_path) {
139 printf("Removing %s\n", directory.buf);
140 remove_dir_recursively(&directory, 0);
141 } else if (show_only) {
142 printf("Would not remove %s\n", directory.buf);
143 } else {
144 printf("Not removing %s\n", directory.buf);
145 }
146 strbuf_reset(&directory);
147 } else {
148 if (show_only) {
149 printf("Would remove %s\n", ent->name);
150 continue;
151 } else if (!quiet) {
152 printf("Removing %s\n", ent->name);
153 }
154 unlink(ent->name);
155 }
156 }
157
158 strbuf_release(&directory);
159 return 0;
160}