зеркало из https://github.com/microsoft/git.git
help: check early if we have a command, if not try a documentation topic
Before this patch, something like "git help tutorial" did not work, people had to use "git help gittutorial" which is not very intuitive. This patch uses the "is_git_command" function to test early if the argument passed to "git help" is a git command, and if this is not the case then we prefix the argument with "git" instead of "git-". This way, things like "git help tutorial" or "git help glossary" will work fine. The little downside of this patch is that the "is_git_command" is a little bit slow. Signed-off-by: Christian Couder <chriscool@tuxfamily.org> Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Родитель
d0658ec6fa
Коммит
2dce956e39
22
help.c
22
help.c
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@ -527,20 +527,26 @@ static int is_git_command(const char *s)
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is_in_cmdlist(&other_cmds, s);
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}
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static const char *prepend(const char *prefix, const char *cmd)
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{
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size_t pre_len = strlen(prefix);
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size_t cmd_len = strlen(cmd);
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char *p = xmalloc(pre_len + cmd_len + 1);
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memcpy(p, prefix, pre_len);
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strcpy(p + pre_len, cmd);
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return p;
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}
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static const char *cmd_to_page(const char *git_cmd)
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{
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if (!git_cmd)
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return "git";
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else if (!prefixcmp(git_cmd, "git"))
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return git_cmd;
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else {
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int page_len = strlen(git_cmd) + 4;
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char *p = xmalloc(page_len + 1);
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strcpy(p, "git-");
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strcpy(p + 4, git_cmd);
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p[page_len] = 0;
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return p;
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}
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else if (is_git_command(git_cmd))
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return prepend("git-", git_cmd);
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else
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return prepend("git", git_cmd);
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}
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static void setup_man_path(void)
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