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Commit | Line | Data |
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a37eec63 SO |
1 | #include "diff-merges.h" |
2 | ||
3 | #include "revision.h" | |
4 | ||
4320815e SO |
5 | typedef void (*diff_merges_setup_func_t)(struct rev_info *); |
6 | static void set_separate(struct rev_info *revs); | |
7 | ||
8 | static diff_merges_setup_func_t set_to_default = set_separate; | |
19b2517f | 9 | static int suppress_parsing; |
4320815e | 10 | |
09322b1d SO |
11 | static void suppress(struct rev_info *revs) |
12 | { | |
1a2c4d80 | 13 | revs->separate_merges = 0; |
09322b1d SO |
14 | revs->first_parent_merges = 0; |
15 | revs->combine_merges = 0; | |
16 | revs->dense_combined_merges = 0; | |
255a4dac | 17 | revs->combined_all_paths = 0; |
fd16a399 | 18 | revs->merges_imply_patch = 0; |
a6d19ecc | 19 | revs->merges_need_diff = 0; |
09322b1d SO |
20 | } |
21 | ||
3d2b5f2f SO |
22 | static void set_separate(struct rev_info *revs) |
23 | { | |
24 | suppress(revs); | |
25 | revs->separate_merges = 1; | |
26 | } | |
27 | ||
8c0ba528 SO |
28 | static void set_first_parent(struct rev_info *revs) |
29 | { | |
30 | set_separate(revs); | |
31 | revs->first_parent_merges = 1; | |
32 | } | |
33 | ||
3d2b5f2f SO |
34 | static void set_combined(struct rev_info *revs) |
35 | { | |
255a4dac | 36 | suppress(revs); |
3d2b5f2f SO |
37 | revs->combine_merges = 1; |
38 | revs->dense_combined_merges = 0; | |
39 | } | |
40 | ||
3b6c17b5 SO |
41 | static void set_dense_combined(struct rev_info *revs) |
42 | { | |
255a4dac | 43 | suppress(revs); |
3b6c17b5 SO |
44 | revs->combine_merges = 1; |
45 | revs->dense_combined_merges = 1; | |
46 | } | |
47 | ||
26a0f58d | 48 | static diff_merges_setup_func_t func_by_opt(const char *optarg) |
3d2b5f2f | 49 | { |
26a0f58d SO |
50 | if (!strcmp(optarg, "off") || !strcmp(optarg, "none")) |
51 | return suppress; | |
388091fe | 52 | if (!strcmp(optarg, "1") || !strcmp(optarg, "first-parent")) |
26a0f58d | 53 | return set_first_parent; |
38fc4dbb | 54 | else if (!strcmp(optarg, "separate")) |
26a0f58d | 55 | return set_separate; |
5071c753 | 56 | else if (!strcmp(optarg, "c") || !strcmp(optarg, "combined")) |
26a0f58d | 57 | return set_combined; |
5071c753 | 58 | else if (!strcmp(optarg, "cc") || !strcmp(optarg, "dense-combined")) |
26a0f58d | 59 | return set_dense_combined; |
38fc4dbb | 60 | else if (!strcmp(optarg, "m") || !strcmp(optarg, "on")) |
26a0f58d SO |
61 | return set_to_default; |
62 | return NULL; | |
63 | } | |
64 | ||
65 | static void set_diff_merges(struct rev_info *revs, const char *optarg) | |
66 | { | |
67 | diff_merges_setup_func_t func = func_by_opt(optarg); | |
68 | ||
69 | if (!func) | |
3d2b5f2f | 70 | die(_("unknown value for --diff-merges: %s"), optarg); |
a6d19ecc | 71 | |
26a0f58d SO |
72 | func(revs); |
73 | ||
74 | /* NOTE: the merges_need_diff flag is cleared by func() call */ | |
75 | if (func != suppress) | |
76 | revs->merges_need_diff = 1; | |
3d2b5f2f | 77 | } |
3b6c17b5 | 78 | |
564a4fc8 SO |
79 | /* |
80 | * Public functions. They are in the order they are called. | |
81 | */ | |
82 | ||
17c13e60 SO |
83 | int diff_merges_config(const char *value) |
84 | { | |
85 | diff_merges_setup_func_t func = func_by_opt(value); | |
86 | ||
87 | if (!func) | |
88 | return -1; | |
89 | ||
90 | set_to_default = func; | |
91 | return 0; | |
92 | } | |
93 | ||
19b2517f SO |
94 | void diff_merges_suppress_options_parsing(void) |
95 | { | |
96 | suppress_parsing = 1; | |
97 | } | |
98 | ||
18f09473 | 99 | int diff_merges_parse_opts(struct rev_info *revs, const char **argv) |
a37eec63 SO |
100 | { |
101 | int argcount = 1; | |
102 | const char *optarg; | |
103 | const char *arg = argv[0]; | |
104 | ||
19b2517f SO |
105 | if (suppress_parsing) |
106 | return 0; | |
107 | ||
5733b20f | 108 | if (!strcmp(arg, "-m")) { |
19b2517f | 109 | set_to_default(revs); |
f5bfcc82 | 110 | revs->merges_imply_patch = 1; |
5733b20f | 111 | } else if (!strcmp(arg, "-c")) { |
3d2b5f2f | 112 | set_combined(revs); |
fd16a399 | 113 | revs->merges_imply_patch = 1; |
5733b20f | 114 | } else if (!strcmp(arg, "--cc")) { |
3b6c17b5 | 115 | set_dense_combined(revs); |
fd16a399 | 116 | revs->merges_imply_patch = 1; |
5733b20f | 117 | } else if (!strcmp(arg, "--no-diff-merges")) { |
09322b1d | 118 | suppress(revs); |
5733b20f | 119 | } else if (!strcmp(arg, "--combined-all-paths")) { |
a37eec63 | 120 | revs->combined_all_paths = 1; |
5733b20f | 121 | } else if ((argcount = parse_long_opt("diff-merges", argv, &optarg))) { |
3d2b5f2f | 122 | set_diff_merges(revs, optarg); |
5733b20f | 123 | } else |
1a2c4d80 | 124 | return 0; |
a37eec63 | 125 | |
1a2c4d80 | 126 | revs->explicit_diff_merges = 1; |
a37eec63 SO |
127 | return argcount; |
128 | } | |
129 | ||
09322b1d SO |
130 | void diff_merges_suppress(struct rev_info *revs) |
131 | { | |
132 | suppress(revs); | |
133 | } | |
134 | ||
4f54544d | 135 | void diff_merges_default_to_first_parent(struct rev_info *revs) |
a37eec63 | 136 | { |
1a2c4d80 SO |
137 | if (!revs->explicit_diff_merges) |
138 | revs->separate_merges = 1; | |
139 | if (revs->separate_merges) | |
3291eea3 | 140 | revs->first_parent_merges = 1; |
a37eec63 SO |
141 | } |
142 | ||
18f09473 | 143 | void diff_merges_default_to_dense_combined(struct rev_info *revs) |
a37eec63 | 144 | { |
1a2c4d80 SO |
145 | if (!revs->explicit_diff_merges) |
146 | set_dense_combined(revs); | |
a37eec63 | 147 | } |
564a4fc8 | 148 | |
3b6c17b5 SO |
149 | void diff_merges_set_dense_combined_if_unset(struct rev_info *revs) |
150 | { | |
151 | if (!revs->combine_merges) | |
152 | set_dense_combined(revs); | |
153 | } | |
154 | ||
564a4fc8 SO |
155 | void diff_merges_setup_revs(struct rev_info *revs) |
156 | { | |
19b2517f SO |
157 | if (suppress_parsing) |
158 | return; | |
159 | ||
1a2c4d80 SO |
160 | if (revs->combine_merges == 0) |
161 | revs->dense_combined_merges = 0; | |
162 | if (revs->separate_merges == 0) | |
163 | revs->first_parent_merges = 0; | |
564a4fc8 SO |
164 | if (revs->combined_all_paths && !revs->combine_merges) |
165 | die("--combined-all-paths makes no sense without -c or --cc"); | |
fd16a399 | 166 | if (revs->merges_imply_patch) |
e121b4b8 | 167 | revs->diff = 1; |
fd16a399 | 168 | if (revs->merges_imply_patch || revs->merges_need_diff) { |
0c627f5d SO |
169 | if (!revs->diffopt.output_format) |
170 | revs->diffopt.output_format = DIFF_FORMAT_PATCH; | |
171 | } | |
564a4fc8 | 172 | } |