e83b51b4f6
Filters can now call hook_write and unhook_write if they want to redirect writing to stdout to a different function. This saves us from potential file descriptor pipes and other less efficient mechanisms. We do this instead of replacing the call in html_raw because some places stdlib's printf functions are used (ui-patch or within git itself), which has its own internal buffering, which makes it difficult to interlace our function calls. So, we dlsym libc's write and then override it in the link stage. While we're at it, we move considerations of argument count into the generic new filter handler. Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
369 regels
8.1 KiB
C
369 regels
8.1 KiB
C
#ifndef CGIT_H
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#define CGIT_H
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#include <git-compat-util.h>
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#include <cache.h>
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#include <grep.h>
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#include <object.h>
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#include <tree.h>
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#include <commit.h>
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#include <tag.h>
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#include <diff.h>
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#include <diffcore.h>
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#include <argv-array.h>
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#include <refs.h>
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#include <revision.h>
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#include <log-tree.h>
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#include <archive.h>
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#include <string-list.h>
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#include <xdiff-interface.h>
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#include <xdiff/xdiff.h>
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#include <utf8.h>
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#include <notes.h>
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#include <graph.h>
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/*
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* Dateformats used on misc. pages
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*/
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#define FMT_LONGDATE "%Y-%m-%d %H:%M:%S (%Z)"
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#define FMT_SHORTDATE "%Y-%m-%d"
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#define FMT_ATOMDATE "%Y-%m-%dT%H:%M:%SZ"
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/*
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* Limits used for relative dates
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*/
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#define TM_MIN 60
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#define TM_HOUR (TM_MIN * 60)
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#define TM_DAY (TM_HOUR * 24)
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#define TM_WEEK (TM_DAY * 7)
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#define TM_YEAR (TM_DAY * 365)
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#define TM_MONTH (TM_YEAR / 12.0)
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/*
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* Default encoding
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*/
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#define PAGE_ENCODING "UTF-8"
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typedef void (*configfn)(const char *name, const char *value);
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typedef void (*filepair_fn)(struct diff_filepair *pair);
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typedef void (*linediff_fn)(char *line, int len);
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typedef enum {
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ABOUT, COMMIT, SOURCE
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} filter_type;
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struct cgit_filter {
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int (*open)(struct cgit_filter *, va_list ap);
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int (*close)(struct cgit_filter *);
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void (*fprintf)(struct cgit_filter *, FILE *, const char *prefix);
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void (*cleanup)(struct cgit_filter *);
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int argument_count;
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};
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struct cgit_exec_filter {
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struct cgit_filter base;
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char *cmd;
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char **argv;
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int old_stdout;
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int pipe_fh[2];
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int pid;
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};
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struct cgit_repo {
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char *url;
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char *name;
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char *path;
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char *desc;
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char *owner;
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char *defbranch;
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char *module_link;
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struct string_list readme;
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char *section;
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char *clone_url;
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char *logo;
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char *logo_link;
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int snapshots;
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int enable_commit_graph;
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int enable_log_filecount;
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int enable_log_linecount;
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int enable_remote_branches;
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int enable_subject_links;
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int max_stats;
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int branch_sort;
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int commit_sort;
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time_t mtime;
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struct cgit_filter *about_filter;
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struct cgit_filter *commit_filter;
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struct cgit_filter *source_filter;
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struct string_list submodules;
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};
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typedef void (*repo_config_fn)(struct cgit_repo *repo, const char *name,
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const char *value);
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struct cgit_repolist {
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int length;
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int count;
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struct cgit_repo *repos;
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};
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struct commitinfo {
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struct commit *commit;
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char *author;
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char *author_email;
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unsigned long author_date;
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char *committer;
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char *committer_email;
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unsigned long committer_date;
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char *subject;
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char *msg;
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char *msg_encoding;
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};
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struct taginfo {
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char *tagger;
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char *tagger_email;
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unsigned long tagger_date;
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char *msg;
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};
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struct refinfo {
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const char *refname;
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struct object *object;
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union {
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struct taginfo *tag;
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struct commitinfo *commit;
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};
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};
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struct reflist {
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struct refinfo **refs;
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int alloc;
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int count;
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};
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struct cgit_query {
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int has_symref;
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int has_sha1;
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int has_ssdiff;
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char *raw;
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char *repo;
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char *page;
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char *search;
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char *grep;
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char *head;
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char *sha1;
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char *sha2;
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char *path;
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char *name;
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char *mimetype;
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char *url;
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char *period;
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int ofs;
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int nohead;
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char *sort;
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int showmsg;
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int ssdiff;
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int show_all;
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int context;
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int ignorews;
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char *vpath;
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};
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struct cgit_config {
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char *agefile;
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char *cache_root;
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char *clone_prefix;
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char *clone_url;
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char *css;
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char *favicon;
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char *footer;
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char *head_include;
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char *header;
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char *index_header;
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char *index_info;
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char *logo;
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char *logo_link;
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char *mimetype_file;
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char *module_link;
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char *project_list;
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struct string_list readme;
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char *robots;
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char *root_title;
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char *root_desc;
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char *root_readme;
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char *script_name;
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char *section;
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char *repository_sort;
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char *virtual_root; /* Always ends with '/'. */
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char *strict_export;
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int cache_size;
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int cache_dynamic_ttl;
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int cache_max_create_time;
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int cache_repo_ttl;
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int cache_root_ttl;
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int cache_scanrc_ttl;
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int cache_static_ttl;
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int cache_about_ttl;
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int case_sensitive_sort;
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int embedded;
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int enable_filter_overrides;
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int enable_http_clone;
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int enable_index_links;
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int enable_index_owner;
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int enable_commit_graph;
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int enable_log_filecount;
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int enable_log_linecount;
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int enable_remote_branches;
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int enable_subject_links;
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int enable_tree_linenumbers;
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int enable_git_config;
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int local_time;
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int max_atom_items;
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int max_repo_count;
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int max_commit_count;
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int max_lock_attempts;
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int max_msg_len;
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int max_repodesc_len;
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int max_blob_size;
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int max_stats;
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int nocache;
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int noplainemail;
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int noheader;
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int renamelimit;
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int remove_suffix;
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int scan_hidden_path;
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int section_from_path;
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int snapshots;
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int section_sort;
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int summary_branches;
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int summary_log;
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int summary_tags;
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int ssdiff;
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int branch_sort;
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int commit_sort;
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struct string_list mimetypes;
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struct cgit_filter *about_filter;
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struct cgit_filter *commit_filter;
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struct cgit_filter *source_filter;
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};
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struct cgit_page {
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time_t modified;
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time_t expires;
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size_t size;
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const char *mimetype;
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const char *charset;
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const char *filename;
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const char *etag;
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const char *title;
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int status;
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const char *statusmsg;
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};
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struct cgit_environment {
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const char *cgit_config;
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const char *http_host;
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const char *https;
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const char *no_http;
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const char *path_info;
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const char *query_string;
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const char *request_method;
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const char *script_name;
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const char *server_name;
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const char *server_port;
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};
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struct cgit_context {
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struct cgit_environment env;
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struct cgit_query qry;
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struct cgit_config cfg;
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struct cgit_repo *repo;
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struct cgit_page page;
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};
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typedef int (*write_archive_fn_t)(const char *, const char *);
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struct cgit_snapshot_format {
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const char *suffix;
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const char *mimetype;
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write_archive_fn_t write_func;
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int bit;
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};
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extern const char *cgit_version;
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extern struct cgit_repolist cgit_repolist;
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extern struct cgit_context ctx;
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extern const struct cgit_snapshot_format cgit_snapshot_formats[];
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extern char *cgit_default_repo_desc;
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extern struct cgit_repo *cgit_add_repo(const char *url);
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extern struct cgit_repo *cgit_get_repoinfo(const char *url);
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extern void cgit_repo_config_cb(const char *name, const char *value);
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extern int chk_zero(int result, char *msg);
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extern int chk_positive(int result, char *msg);
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extern int chk_non_negative(int result, char *msg);
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extern char *trim_end(const char *str, char c);
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extern char *ensure_end(const char *str, char c);
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extern char *strlpart(char *txt, int maxlen);
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extern char *strrpart(char *txt, int maxlen);
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extern void strbuf_ensure_end(struct strbuf *sb, char c);
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extern void cgit_add_ref(struct reflist *list, struct refinfo *ref);
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extern void cgit_free_reflist_inner(struct reflist *list);
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extern int cgit_refs_cb(const char *refname, const unsigned char *sha1,
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int flags, void *cb_data);
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extern void *cgit_free_commitinfo(struct commitinfo *info);
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extern int cgit_diff_files(const unsigned char *old_sha1,
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const unsigned char *new_sha1,
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unsigned long *old_size, unsigned long *new_size,
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int *binary, int context, int ignorews,
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linediff_fn fn);
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extern void cgit_diff_tree(const unsigned char *old_sha1,
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const unsigned char *new_sha1,
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filepair_fn fn, const char *prefix, int ignorews);
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extern void cgit_diff_commit(struct commit *commit, filepair_fn fn,
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const char *prefix);
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__attribute__((format (printf,1,2)))
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extern char *fmt(const char *format,...);
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__attribute__((format (printf,1,2)))
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extern char *fmtalloc(const char *format,...);
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extern struct commitinfo *cgit_parse_commit(struct commit *commit);
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extern struct taginfo *cgit_parse_tag(struct tag *tag);
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extern void cgit_parse_url(const char *url);
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extern const char *cgit_repobasename(const char *reponame);
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extern int cgit_parse_snapshots_mask(const char *str);
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extern int cgit_open_filter(struct cgit_filter *filter, ...);
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extern int cgit_close_filter(struct cgit_filter *filter);
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extern void cgit_fprintf_filter(struct cgit_filter *filter, FILE *f, const char *prefix);
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extern void cgit_exec_filter_init(struct cgit_exec_filter *filter, char *cmd, char **argv);
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extern struct cgit_filter *cgit_new_filter(const char *cmd, filter_type filtertype);
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extern void cgit_cleanup_filters(void);
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extern void cgit_init_filters(void);
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extern void cgit_prepare_repo_env(struct cgit_repo * repo);
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extern int readfile(const char *path, char **buf, size_t *size);
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extern char *expand_macros(const char *txt);
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#endif /* CGIT_H */
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