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cgit/cgit.h
Andy Green 907134b7a2 js: add dynamic age update 
This patch updates the emitted "ages" dynamically on the client side.

After updating on completion of the document load, it sets a timer
to update according to the smallest age it found.  If there are any
ages listed in minutes, then it will update again in 10s.  When the
most recent age is in hours, it updates every 5m.  If days, then
every 30m and so on.

This keeps the cost of the dynamic updates at worst once per 10s.
The updates are done entirely on the client side without contact
with the server.

To make this work reliably, since parsing datetimes is unreliable in
browser js, the unix time is added as an attribute to all age spans.

To make that reliable cross-platform, the unix time is treated as a
uint64_t when it is formatted for printing.

The rules for display conversion of the age is aligned with the
existing server-side rules in ui-shared.h.

If the client or server-side time are not synchronized by ntpd etc,
ages shown on the client will not relate to the original ages computed
at the server.  The client updates the ages immediately when the
DOM has finished loading, so in the case the times at the server and
client are not aligned, this patch changes what the user sees on the
page to reflect patch age compared to client time.

If the server and client clocks are aligned, this patch makes no
difference to what is seen on the page.

Signed-off-by: Andy Green <andy@warmcat.com>
Signed-off-by: Christian Hesse <mail@eworm.de>
2022-12-19 16:50:23 +01:00

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#ifndef CGIT_H
#define CGIT_H
#include <git-compat-util.h>
#include <stdbool.h>
#include <cache.h>
#include <grep.h>
#include <object.h>
#include <object-store.h>
#include <tree.h>
#include <commit.h>
#include <tag.h>
#include <diff.h>
#include <diffcore.h>
#include <strvec.h>
#include <refs.h>
#include <revision.h>
#include <log-tree.h>
#include <archive.h>
#include <string-list.h>
#include <xdiff-interface.h>
#include <xdiff/xdiff.h>
#include <utf8.h>
#include <notes.h>
#include <graph.h>
#include <inttypes.h>
/* Add isgraph(x) to Git's sane ctype support (see git-compat-util.h) */
#undef isgraph
#define isgraph(x) (isprint((x)) && !isspace((x)))
/*
* Limits used for relative dates
*/
#define TM_MIN 60
#define TM_HOUR (TM_MIN * 60)
#define TM_DAY (TM_HOUR * 24)
#define TM_WEEK (TM_DAY * 7)
#define TM_YEAR (TM_DAY * 365)
#define TM_MONTH (TM_YEAR / 12.0)
/*
* Default encoding
*/
#define PAGE_ENCODING "UTF-8"
#define BIT(x) (1U << (x))
typedef void (*configfn)(const char *name, const char *value);
typedef void (*filepair_fn)(struct diff_filepair *pair);
typedef void (*linediff_fn)(char *line, int len);
typedef enum {
DIFF_UNIFIED, DIFF_SSDIFF, DIFF_STATONLY
} diff_type;
typedef enum {
ABOUT, COMMIT, SOURCE, EMAIL, AUTH, OWNER
} filter_type;
struct cgit_filter {
int (*open)(struct cgit_filter *, va_list ap);
int (*close)(struct cgit_filter *);
void (*fprintf)(struct cgit_filter *, FILE *, const char *prefix);
void (*cleanup)(struct cgit_filter *);
int argument_count;
};
struct cgit_exec_filter {
struct cgit_filter base;
char *cmd;
char **argv;
int old_stdout;
int pid;
};
struct cgit_repo {
char *url;
char *name;
char *path;
char *desc;
char *extra_head_content;
char *owner;
char *homepage;
char *defbranch;
char *module_link;
struct string_list readme;
char *section;
char *clone_url;
char *logo;
char *logo_link;
char *snapshot_prefix;
int snapshots;
int enable_blame;
int enable_commit_graph;
int enable_log_filecount;
int enable_log_linecount;
int enable_remote_branches;
int enable_subject_links;
int enable_html_serving;
int max_stats;
int branch_sort;
int commit_sort;
time_t mtime;
struct cgit_filter *about_filter;
struct cgit_filter *commit_filter;
struct cgit_filter *source_filter;
struct cgit_filter *email_filter;
struct cgit_filter *owner_filter;
struct string_list submodules;
int hide;
int ignore;
};
typedef void (*repo_config_fn)(struct cgit_repo *repo, const char *name,
const char *value);
struct cgit_repolist {
int length;
int count;
struct cgit_repo *repos;
};
struct commitinfo {
struct commit *commit;
char *author;
char *author_email;
unsigned long author_date;
int author_tz;
char *committer;
char *committer_email;
unsigned long committer_date;
int committer_tz;
char *subject;
char *msg;
char *msg_encoding;
};
struct taginfo {
char *tagger;
char *tagger_email;
unsigned long tagger_date;
int tagger_tz;
char *msg;
};
struct refinfo {
const char *refname;
struct object *object;
union {
struct taginfo *tag;
struct commitinfo *commit;
};
};
struct reflist {
struct refinfo **refs;
int alloc;
int count;
};
struct cgit_query {
int has_symref;
int has_oid;
int has_difftype;
char *raw;
char *repo;
char *page;
char *search;
char *grep;
char *head;
char *oid;
char *oid2;
char *path;
char *name;
char *url;
char *period;
int ofs;
int nohead;
char *sort;
int showmsg;
diff_type difftype;
int show_all;
int context;
int ignorews;
int follow;
char *vpath;
};
struct cgit_config {
char *agefile;
char *cache_root;
char *clone_prefix;
char *clone_url;
char *favicon;
char *footer;
char *head_include;
char *header;
char *logo;
char *logo_link;
char *mimetype_file;
char *module_link;
char *project_list;
struct string_list readme;
struct string_list css;
char *robots;
char *root_title;
char *root_desc;
char *root_readme;
char *script_name;
char *section;
char *repository_sort;
char *virtual_root; /* Always ends with '/'. */
char *strict_export;
int cache_size;
int cache_dynamic_ttl;
int cache_max_create_time;
int cache_repo_ttl;
int cache_root_ttl;
int cache_scanrc_ttl;
int cache_static_ttl;
int cache_about_ttl;
int cache_snapshot_ttl;
int case_sensitive_sort;
int embedded;
int enable_filter_overrides;
int enable_follow_links;
int enable_http_clone;
int enable_index_links;
int enable_index_owner;
int enable_blame;
int enable_commit_graph;
int enable_log_filecount;
int enable_log_linecount;
int enable_remote_branches;
int enable_subject_links;
int enable_html_serving;
int enable_tree_linenumbers;
int enable_git_config;
int local_time;
int max_atom_items;
int max_repo_count;
int max_commit_count;
int max_lock_attempts;
int max_msg_len;
int max_repodesc_len;
int max_blob_size;
int max_stats;
int noplainemail;
int noheader;
int renamelimit;
int remove_suffix;
int scan_hidden_path;
int section_from_path;
int snapshots;
int section_sort;
int summary_branches;
int summary_log;
int summary_tags;
diff_type difftype;
int branch_sort;
int commit_sort;
struct string_list mimetypes;
struct string_list js;
struct cgit_filter *about_filter;
struct cgit_filter *commit_filter;
struct cgit_filter *source_filter;
struct cgit_filter *email_filter;
struct cgit_filter *owner_filter;
struct cgit_filter *auth_filter;
};
struct cgit_page {
time_t modified;
time_t expires;
size_t size;
const char *mimetype;
const char *charset;
const char *filename;
const char *etag;
const char *title;
int status;
const char *statusmsg;
};
struct cgit_environment {
const char *cgit_config;
const char *http_host;
const char *https;
const char *no_http;
const char *path_info;
const char *query_string;
const char *request_method;
const char *script_name;
const char *server_name;
const char *server_port;
const char *http_cookie;
const char *http_referer;
unsigned int content_length;
int authenticated;
};
struct cgit_context {
struct cgit_environment env;
struct cgit_query qry;
struct cgit_config cfg;
struct cgit_repo *repo;
struct cgit_page page;
};
typedef int (*write_archive_fn_t)(const char *, const char *);
struct cgit_snapshot_format {
const char *suffix;
const char *mimetype;
write_archive_fn_t write_func;
};
extern const char *cgit_version;
extern struct cgit_repolist cgit_repolist;
extern struct cgit_context ctx;
extern const struct cgit_snapshot_format cgit_snapshot_formats[];
extern char *cgit_default_repo_desc;
extern struct cgit_repo *cgit_add_repo(const char *url);
extern struct cgit_repo *cgit_get_repoinfo(const char *url);
extern void cgit_repo_config_cb(const char *name, const char *value);
extern int chk_zero(int result, char *msg);
extern int chk_positive(int result, char *msg);
extern int chk_non_negative(int result, char *msg);
extern char *trim_end(const char *str, char c);
extern char *ensure_end(const char *str, char c);
extern void strbuf_ensure_end(struct strbuf *sb, char c);
extern void cgit_add_ref(struct reflist *list, struct refinfo *ref);
extern void cgit_free_reflist_inner(struct reflist *list);
extern int cgit_refs_cb(const char *refname, const struct object_id *oid,
int flags, void *cb_data);
extern void cgit_free_commitinfo(struct commitinfo *info);
extern void cgit_free_taginfo(struct taginfo *info);
void cgit_diff_tree_cb(struct diff_queue_struct *q,
struct diff_options *options, void *data);
extern int cgit_diff_files(const struct object_id *old_oid,
const struct object_id *new_oid,
unsigned long *old_size, unsigned long *new_size,
int *binary, int context, int ignorews,
linediff_fn fn);
extern void cgit_diff_tree(const struct object_id *old_oid,
const struct object_id *new_oid,
filepair_fn fn, const char *prefix, int ignorews);
extern void cgit_diff_commit(struct commit *commit, filepair_fn fn,
const char *prefix);
__attribute__((format (printf,1,2)))
extern char *fmt(const char *format,...);
__attribute__((format (printf,1,2)))
extern char *fmtalloc(const char *format,...);
extern struct commitinfo *cgit_parse_commit(struct commit *commit);
extern struct taginfo *cgit_parse_tag(struct tag *tag);
extern void cgit_parse_url(const char *url);
extern const char *cgit_repobasename(const char *reponame);
extern int cgit_parse_snapshots_mask(const char *str);
extern const struct object_id *cgit_snapshot_get_sig(const char *ref,
const struct cgit_snapshot_format *f);
extern const unsigned cgit_snapshot_format_bit(const struct cgit_snapshot_format *f);
extern int cgit_open_filter(struct cgit_filter *filter, ...);
extern int cgit_close_filter(struct cgit_filter *filter);
extern void cgit_fprintf_filter(struct cgit_filter *filter, FILE *f, const char *prefix);
extern void cgit_exec_filter_init(struct cgit_exec_filter *filter, char *cmd, char **argv);
extern struct cgit_filter *cgit_new_filter(const char *cmd, filter_type filtertype);
extern void cgit_cleanup_filters(void);
extern void cgit_init_filters(void);
extern void cgit_prepare_repo_env(struct cgit_repo * repo);
extern int readfile(const char *path, char **buf, size_t *size);
extern char *expand_macros(const char *txt);
extern char *get_mimetype_for_filename(const char *filename);
#endif /* CGIT_H */
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