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Commit | Line | Data |
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bc5c5ec0 | 1 | #include "builtin.h" |
ba84a797 | 2 | #include "commit.h" |
ba84a797 | 3 | #include "diff.h" |
a034e910 | 4 | #include "dir.h" |
32a8f510 | 5 | #include "environment.h" |
f394e093 | 6 | #include "gettext.h" |
41771fa4 | 7 | #include "hex.h" |
ba84a797 | 8 | #include "revision.h" |
94421474 | 9 | #include "reachable.h" |
629de472 | 10 | #include "parse-options.h" |
c339932b | 11 | #include "path.h" |
dc347195 | 12 | #include "progress.h" |
9460fd48 | 13 | #include "prune-packed.h" |
cbeab747 | 14 | #include "replace-object.h" |
87bed179 | 15 | #include "object-file.h" |
dabab1d6 | 16 | #include "object-name.h" |
a034e910 | 17 | #include "object-store-ll.h" |
120ad2b0 | 18 | #include "shallow.h" |
ba84a797 | 19 | |
629de472 | 20 | static const char * const prune_usage[] = { |
1a1fc2d5 | 21 | N_("git prune [-n] [-v] [--progress] [--expire <time>] [--] [<head>...]"), |
629de472 MB |
22 | NULL |
23 | }; | |
96f1e58f | 24 | static int show_only; |
b35ddf41 | 25 | static int verbose; |
dddbad72 | 26 | static timestamp_t expire; |
bf0a59b3 | 27 | static int show_progress = -1; |
ba84a797 | 28 | |
4454e9cb | 29 | static int prune_tmp_file(const char *fullpath) |
0e8316cc | 30 | { |
cbf731ed AS |
31 | struct stat st; |
32 | if (lstat(fullpath, &st)) | |
33 | return error("Could not stat '%s'", fullpath); | |
34 | if (st.st_mtime > expire) | |
35 | return 0; | |
b3cecf49 NS |
36 | if (S_ISDIR(st.st_mode)) { |
37 | if (show_only || verbose) | |
38 | printf("Removing stale temporary directory %s\n", fullpath); | |
39 | if (!show_only) { | |
40 | struct strbuf remove_dir_buf = STRBUF_INIT; | |
41 | ||
42 | strbuf_addstr(&remove_dir_buf, fullpath); | |
43 | remove_dir_recursively(&remove_dir_buf, 0); | |
44 | strbuf_release(&remove_dir_buf); | |
45 | } | |
46 | } else { | |
47 | if (show_only || verbose) | |
48 | printf("Removing stale temporary file %s\n", fullpath); | |
49 | if (!show_only) | |
50 | unlink_or_warn(fullpath); | |
51 | } | |
0e8316cc BC |
52 | return 0; |
53 | } | |
54 | ||
d55a30bb | 55 | static void perform_reachability_traversal(struct rev_info *revs) |
ba84a797 | 56 | { |
d55a30bb JK |
57 | static int initialized; |
58 | struct progress *progress = NULL; | |
59 | ||
60 | if (initialized) | |
61 | return; | |
62 | ||
63 | if (show_progress) | |
64 | progress = start_delayed_progress(_("Checking connectivity"), 0); | |
65 | mark_reachable_objects(revs, 1, expire, progress); | |
66 | stop_progress(&progress); | |
67 | initialized = 1; | |
68 | } | |
69 | ||
70 | static int is_object_reachable(const struct object_id *oid, | |
71 | struct rev_info *revs) | |
72 | { | |
c2bf473d JK |
73 | struct object *obj; |
74 | ||
d55a30bb | 75 | perform_reachability_traversal(revs); |
27e1e22d | 76 | |
d0229abd | 77 | obj = lookup_object(the_repository, oid); |
c2bf473d | 78 | return obj && (obj->flags & SEEN); |
d55a30bb JK |
79 | } |
80 | ||
81 | static int prune_object(const struct object_id *oid, const char *fullpath, | |
82 | void *data) | |
83 | { | |
84 | struct rev_info *revs = data; | |
85 | struct stat st; | |
86 | ||
87 | if (is_object_reachable(oid, revs)) | |
27e1e22d JK |
88 | return 0; |
89 | ||
90 | if (lstat(fullpath, &st)) { | |
91 | /* report errors, but do not stop pruning */ | |
92 | error("Could not stat '%s'", fullpath); | |
93 | return 0; | |
94 | } | |
cbf731ed AS |
95 | if (st.st_mtime > expire) |
96 | return 0; | |
b35ddf41 | 97 | if (show_only || verbose) { |
0df8e965 SB |
98 | enum object_type type = oid_object_info(the_repository, oid, |
99 | NULL); | |
76c1d9a0 | 100 | printf("%s %s\n", oid_to_hex(oid), |
debca9d2 | 101 | (type > 0) ? type_name(type) : "unknown"); |
b35ddf41 MG |
102 | } |
103 | if (!show_only) | |
691f1a28 | 104 | unlink_or_warn(fullpath); |
ba84a797 LT |
105 | return 0; |
106 | } | |
107 | ||
be252d33 JK |
108 | static int prune_cruft(const char *basename, const char *path, |
109 | void *data UNUSED) | |
ba84a797 | 110 | { |
27e1e22d JK |
111 | if (starts_with(basename, "tmp_obj_")) |
112 | prune_tmp_file(path); | |
113 | else | |
114 | fprintf(stderr, "bad sha1 file: %s\n", path); | |
ba84a797 LT |
115 | return 0; |
116 | } | |
117 | ||
be252d33 JK |
118 | static int prune_subdir(unsigned int nr UNUSED, const char *path, |
119 | void *data UNUSED) | |
ba84a797 | 120 | { |
27e1e22d JK |
121 | if (!show_only) |
122 | rmdir(path); | |
123 | return 0; | |
ba84a797 LT |
124 | } |
125 | ||
8464010f DST |
126 | /* |
127 | * Write errors (particularly out of space) can result in | |
128 | * failed temporary packs (and more rarely indexes and other | |
9517e6b8 | 129 | * files beginning with "tmp_") accumulating in the object |
db87e396 | 130 | * and the pack directories. |
8464010f | 131 | */ |
db87e396 | 132 | static void remove_temporary_files(const char *path) |
8464010f DST |
133 | { |
134 | DIR *dir; | |
135 | struct dirent *de; | |
8464010f | 136 | |
db87e396 | 137 | dir = opendir(path); |
8464010f | 138 | if (!dir) { |
69747653 EW |
139 | if (errno != ENOENT) |
140 | fprintf(stderr, "Unable to open directory %s: %s\n", | |
141 | path, strerror(errno)); | |
8464010f DST |
142 | return; |
143 | } | |
0e8316cc | 144 | while ((de = readdir(dir)) != NULL) |
59556548 | 145 | if (starts_with(de->d_name, "tmp_")) |
4454e9cb | 146 | prune_tmp_file(mkpath("%s/%s", path, de->d_name)); |
8464010f DST |
147 | closedir(dir); |
148 | } | |
149 | ||
a633fca0 | 150 | int cmd_prune(int argc, const char **argv, const char *prefix) |
ba84a797 | 151 | { |
24304816 | 152 | struct rev_info revs; |
0c16cd49 | 153 | int exclude_promisor_objects = 0; |
629de472 | 154 | const struct option options[] = { |
8f5b7281 NTND |
155 | OPT__DRY_RUN(&show_only, N_("do not remove, show only")), |
156 | OPT__VERBOSE(&verbose, N_("report pruned objects")), | |
157 | OPT_BOOL(0, "progress", &show_progress, N_("show progress")), | |
27ec394a JH |
158 | OPT_EXPIRY_DATE(0, "expire", &expire, |
159 | N_("expire objects older than <time>")), | |
0c16cd49 JT |
160 | OPT_BOOL(0, "exclude-promisor-objects", &exclude_promisor_objects, |
161 | N_("limit traversal to objects outside promisor packfiles")), | |
629de472 MB |
162 | OPT_END() |
163 | }; | |
db87e396 | 164 | char *s; |
ba84a797 | 165 | |
dddbad72 | 166 | expire = TIME_MAX; |
16157b80 | 167 | save_commit_buffer = 0; |
d24eda4e | 168 | disable_replace_refs(); |
2abf3503 | 169 | repo_init_revisions(the_repository, &revs, prefix); |
ba84a797 | 170 | |
37782920 | 171 | argc = parse_options(argc, argv, prefix, options, prune_usage, 0); |
23af91d1 | 172 | |
067fbd41 JK |
173 | if (repository_format_precious_objects) |
174 | die(_("cannot prune in a precious-objects repo")); | |
175 | ||
fe308f53 | 176 | while (argc--) { |
af6730e7 | 177 | struct object_id oid; |
fe308f53 JH |
178 | const char *name = *argv++; |
179 | ||
d850b7a5 | 180 | if (!repo_get_oid(the_repository, name, &oid)) { |
c251c83d | 181 | struct object *object = parse_object_or_die(&oid, |
182 | name); | |
fe308f53 JH |
183 | add_pending_object(&revs, object, ""); |
184 | } | |
185 | else | |
186 | die("unrecognized argument: %s", name); | |
187 | } | |
bf0a59b3 JK |
188 | |
189 | if (show_progress == -1) | |
190 | show_progress = isatty(2); | |
0c16cd49 JT |
191 | if (exclude_promisor_objects) { |
192 | fetch_if_missing = 0; | |
193 | revs.exclude_promisor_objects = 1; | |
194 | } | |
bf0a59b3 | 195 | |
27e1e22d | 196 | for_each_loose_file_in_objdir(get_object_directory(), prune_object, |
d55a30bb | 197 | prune_cruft, prune_subdir, &revs); |
ba84a797 | 198 | |
af0b4a3b | 199 | prune_packed_objects(show_only ? PRUNE_PACKED_DRY_RUN : 0); |
db87e396 | 200 | remove_temporary_files(get_object_directory()); |
4e2d094d | 201 | s = mkpathdup("%s/pack", get_object_directory()); |
db87e396 BC |
202 | remove_temporary_files(s); |
203 | free(s); | |
eab3296c | 204 | |
d55a30bb JK |
205 | if (is_repository_shallow(the_repository)) { |
206 | perform_reachability_traversal(&revs); | |
2588f6ed | 207 | prune_shallow(show_only ? PRUNE_SHOW_ONLY : 0); |
d55a30bb | 208 | } |
eab3296c | 209 | |
2108fe4a | 210 | release_revisions(&revs); |
ba84a797 LT |
211 | return 0; |
212 | } |