/* ** Copyright (c) 2007 D. Richard Hipp ** ** This program is free software; you can redistribute it and/or ** modify it under the terms of the Simplified BSD License (also ** known as the "2-Clause License" or "FreeBSD License".) ** This program is distributed in the hope that it will be useful, ** but without any warranty; without even the implied warranty of ** merchantability or fitness for a particular purpose. ** ** Author contact information: ** drh@hwaci.com ** http://www.hwaci.com/drh/ ** ******************************************************************************* ** ** This file contains code used to push, pull, and sync a repository */ #include "config.h" #include "sync.h" #include <assert.h> /* ** If the repository is configured for autosyncing, then do an ** autosync. This will be a pull if the argument is true or a push ** if the argument is false. ** ** Return the number of errors. */ int autosync(int flags){ const char *zAutosync; int rc; int configSync = 0; /* configuration changes transferred */ if( g.fNoSync ){ return 0; } if( flags==SYNC_PUSH && db_get_boolean("dont-push",0) ){ return 0; } zAutosync = db_get("autosync", 0); if( zAutosync ){ if( (flags & SYNC_PUSH)!=0 && fossil_strncmp(zAutosync,"pull",4)==0 ){ return 0; /* Do not auto-push when autosync=pullonly */ } if( is_false(zAutosync) ){ return 0; /* Autosync is completely off */ } }else{ /* Autosync defaults on. To make it default off, "return" here. */ } url_parse(0, URL_REMEMBER); if( g.url.protocol==0 ) return 0; if( g.url.user!=0 && g.url.passwd==0 ){ g.url.passwd = unobscure(db_get("last-sync-pw", 0)); g.url.flags |= URL_PROMPT_PW; url_prompt_for_password(); } g.zHttpAuth = get_httpauth(); url_remember(); #if 0 /* Disabled for now */ if( (flags & AUTOSYNC_PULL)!=0 && db_get_boolean("auto-shun",1) ){ /* When doing an automatic pull, also automatically pull shuns from ** the server if pull_shuns is enabled. ** ** TODO: What happens if the shun list gets really big? ** Maybe the shunning list should only be pulled on every 10th ** autosync, or something? */ configSync = CONFIGSET_SHUN; } #endif if( find_option("verbose","v",0)!=0 ) flags |= SYNC_VERBOSE; fossil_print("Autosync: %s\n", g.url.canonical); url_enable_proxy("via proxy: "); rc = client_sync(flags, configSync, 0); return rc; } /* ** This routine will try a number of times to perform autosync with a ** 0.5 second sleep between attempts. ** ** Return zero on success and non-zero on a failure. If failure occurs ** and doPrompt flag is true, ask the user if they want to continue, and ** if they answer "yes" then return zero in spite of the failure. */ int autosync_loop(int flags, int nTries, int doPrompt){ int n = 0; int rc = 0; if( (flags & (SYNC_PUSH|SYNC_PULL))==(SYNC_PUSH|SYNC_PULL) && db_get_boolean("uv-sync",0) ){ flags |= SYNC_UNVERSIONED; } while( (n==0 || n<nTries) && (rc=autosync(flags)) ){ if( rc ){ if( ++n<nTries ){ fossil_warning("Autosync failed, making another attempt."); sqlite3_sleep(500); }else{ fossil_warning("Autosync failed."); } } } if( rc && doPrompt ){ Blob ans; char cReply; prompt_user("continue in spite of sync failure (y/N)? ", &ans); cReply = blob_str(&ans)[0]; if( cReply=='y' || cReply=='Y' ) rc = 0; blob_reset(&ans); } return rc; } /* ** This routine processes the command-line argument for push, pull, ** and sync. If a command-line argument is given, that is the URL ** of a server to sync against. If no argument is given, use the ** most recently synced URL. Remember the current URL for next time. */ static void process_sync_args( unsigned *pConfigFlags, /* Write configuration flags here */ unsigned *pSyncFlags, /* Write sync flags here */ int uvOnly /* Special handling flags for UV sync */ ){ const char *zUrl = 0; const char *zHttpAuth = 0; unsigned configSync = 0; unsigned urlFlags = URL_REMEMBER | URL_PROMPT_PW; int urlOptional = 0; if( find_option("autourl",0,0)!=0 ){ urlOptional = 1; urlFlags = 0; } zHttpAuth = find_option("httpauth","B",1); if( find_option("once",0,0)!=0 ) urlFlags &= ~URL_REMEMBER; if( (*pSyncFlags) & SYNC_FROMPARENT ) urlFlags &= ~URL_REMEMBER; if( !uvOnly ){ if( find_option("private",0,0)!=0 ){ *pSyncFlags |= SYNC_PRIVATE; } /* The --verily option to sync, push, and pull forces extra igot cards ** to be exchanged. This can overcome malfunctions in the sync protocol. */ if( find_option("verily",0,0)!=0 ){ *pSyncFlags |= SYNC_RESYNC; } } if( find_option("private",0,0)!=0 ){ *pSyncFlags |= SYNC_PRIVATE; } if( find_option("verbose","v",0)!=0 ){ *pSyncFlags |= SYNC_VERBOSE; } url_proxy_options(); clone_ssh_find_options(); if( !uvOnly ) db_find_and_open_repository(0, 0); db_open_config(0, 0); if( g.argc==2 ){ if( db_get_boolean("auto-shun",1) ) configSync = CONFIGSET_SHUN; }else if( g.argc==3 ){ zUrl = g.argv[2]; } if( ((*pSyncFlags) & (SYNC_PUSH|SYNC_PULL))==(SYNC_PUSH|SYNC_PULL) && db_get_boolean("uv-sync",0) ){ *pSyncFlags |= SYNC_UNVERSIONED; } if( urlFlags & URL_REMEMBER ){ clone_ssh_db_set_options(); } url_parse(zUrl, urlFlags); remember_or_get_http_auth(zHttpAuth, urlFlags & URL_REMEMBER, zUrl); url_remember(); if( g.url.protocol==0 ){ if( urlOptional ) fossil_exit(0); usage("URL"); } user_select(); if( g.argc==2 ){ if( ((*pSyncFlags) & (SYNC_PUSH|SYNC_PULL))==(SYNC_PUSH|SYNC_PULL) ){ fossil_print("Sync with %s\n", g.url.canonical); }else if( (*pSyncFlags) & SYNC_PUSH ){ fossil_print("Push to %s\n", g.url.canonical); }else if( (*pSyncFlags) & SYNC_PULL ){ fossil_print("Pull from %s\n", g.url.canonical); } } url_enable_proxy("via proxy: "); *pConfigFlags |= configSync; } /* ** COMMAND: pull ** ** Usage: %fossil pull ?URL? ?options? ** ** Pull all sharable changes from a remote repository into the local repository. ** Sharable changes include public check-ins, and wiki, ticket, and tech-note ** edits. Add the --private option to pull private branches. Use the ** "configuration pull" command to pull website configuration details. ** ** If URL is not specified, then the URL from the most recent clone, push, ** pull, remote-url, or sync command is used. See "fossil help clone" for ** details on the URL formats. ** ** Options: ** ** -B|--httpauth USER:PASS Credentials for the simple HTTP auth protocol, ** if required by the remote website ** --from-parent-project Pull content from the parent project ** --ipv4 Use only IPv4, not IPv6 ** --once Do not remember URL for subsequent syncs ** --proxy PROXY Use the specified HTTP proxy ** --private Pull private branches too ** -R|--repository REPO Local repository to pull into ** --ssl-identity FILE Local SSL credentials, if requested by remote ** --ssh-command SSH Use SSH as the "ssh" command ** -v|--verbose Additional (debugging) output ** --verily Exchange extra information with the remote ** to ensure no content is overlooked ** ** See also: clone, config pull, push, remote-url, sync */ void pull_cmd(void){ unsigned configFlags = 0; unsigned syncFlags = SYNC_PULL; if( find_option("from-parent-project",0,0)!=0 ){ syncFlags |= SYNC_FROMPARENT; } process_sync_args(&configFlags, &syncFlags, 0); /* We should be done with options.. */ verify_all_options(); client_sync(syncFlags, configFlags, 0); } /* ** COMMAND: push ** ** Usage: %fossil push ?URL? ?options? ** ** Push all sharable changes from the local repository to a remote repository. ** Sharable changes include public check-ins, and wiki, ticket, and tech-note ** edits. Use --private to also push private branches. Use the ** "configuration push" command to push website configuration details. ** ** If URL is not specified, then the URL from the most recent clone, push, ** pull, remote-url, or sync command is used. See "fossil help clone" for ** details on the URL formats. ** ** Options: ** ** -B|--httpauth USER:PASS Credentials for the simple HTTP auth protocol, ** if required by the remote website ** --ipv4 Use only IPv4, not IPv6 ** --once Do not remember URL for subsequent syncs ** --proxy PROXY Use the specified HTTP proxy ** --private Push private branches too ** -R|--repository REPO Local repository to push from ** --ssl-identity FILE Local SSL credentials, if requested by remote ** --ssh-command SSH Use SSH as the "ssh" command ** -v|--verbose Additional (debugging) output ** --verily Exchange extra information with the remote ** to ensure no content is overlooked ** ** See also: clone, config push, pull, remote-url, sync */ void push_cmd(void){ unsigned configFlags = 0; unsigned syncFlags = SYNC_PUSH; process_sync_args(&configFlags, &syncFlags, 0); /* We should be done with options.. */ verify_all_options(); if( db_get_boolean("dont-push",0) ){ fossil_fatal("pushing is prohibited: the 'dont-push' option is set"); } client_sync(syncFlags, 0, 0); } /* ** COMMAND: sync ** ** Usage: %fossil sync ?URL? ?options? ** ** Synchronize all sharable changes between the local repository and a ** remote repository. Sharable changes include public check-ins and ** edits to wiki pages, tickets, and technical notes. ** ** If URL is not specified, then the URL from the most recent clone, push, ** pull, remote-url, or sync command is used. See "fossil help clone" for ** details on the URL formats. ** ** Options: ** ** -B|--httpauth USER:PASS Credentials for the simple HTTP auth protocol, ** if required by the remote website ** --ipv4 Use only IPv4, not IPv6 ** --once Do not remember URL for subsequent syncs ** --proxy PROXY Use the specified HTTP proxy ** --private Sync private branches too ** -R|--repository REPO Local repository to sync with ** --ssl-identity FILE Local SSL credentials, if requested by remote ** --ssh-command SSH Use SSH as the "ssh" command ** -u|--unversioned Also sync unversioned content ** -v|--verbose Additional (debugging) output ** --verily Exchange extra information with the remote ** to ensure no content is overlooked ** ** See also: clone, pull, push, remote-url */ void sync_cmd(void){ unsigned configFlags = 0; unsigned syncFlags = SYNC_PUSH|SYNC_PULL; if( find_option("unversioned","u",0)!=0 ){ syncFlags |= SYNC_UNVERSIONED; } process_sync_args(&configFlags, &syncFlags, 0); /* We should be done with options.. */ verify_all_options(); if( db_get_boolean("dont-push",0) ) syncFlags &= ~SYNC_PUSH; client_sync(syncFlags, configFlags, 0); if( (syncFlags & SYNC_PUSH)==0 ){ fossil_warning("pull only: the 'dont-push' option is set"); } } /* ** Handle the "fossil unversioned sync" and "fossil unversioned revert" ** commands. */ void sync_unversioned(unsigned syncFlags){ unsigned configFlags = 0; (void)find_option("uv-noop",0,0); process_sync_args(&configFlags, &syncFlags, 1); verify_all_options(); client_sync(syncFlags, 0, 0); } /* ** COMMAND: remote-url ** ** Usage: %fossil remote-url ?URL|off? ** ** Query and/or change the default server URL used by the "pull", "push", ** and "sync" commands. ** ** The remote-url is set automatically by a "clone" command or by any ** "sync", "push", or "pull" command that specifies an explicit URL. ** The default remote-url is used by auto-syncing and by "sync", "push", ** "pull" that omit the server URL. ** ** See "fossil help clone" for further information about URL formats ** ** See also: clone, push, pull, sync */ void remote_url_cmd(void){ char *zUrl; db_find_and_open_repository(0, 0); /* We should be done with options.. */ verify_all_options(); if( g.argc!=2 && g.argc!=3 ){ usage("?URL|off?"); } if( g.argc==3 ){ db_unset("last-sync-url", 0); db_unset("last-sync-pw", 0); db_unset("http-auth", 0); if( is_false(g.argv[2]) ) return; url_parse(g.argv[2], URL_REMEMBER|URL_PROMPT_PW|URL_ASK_REMEMBER_PW); } url_remember(); zUrl = db_get("last-sync-url", 0); if( zUrl==0 ){ fossil_print("off\n"); return; }else{ url_parse(zUrl, 0); fossil_print("%s\n", g.url.canonical); } }