Artifact d140a990b11b1ca9481c4ccd1b8704bd1b4d58ac:
File www/bugtheory.wiki part of check-in [6ba52ae761] - Documentation tweaks. No changes to code. by drh on 2009-02-21 13:09:40.
0000: 3c 68 31 3e 42 75 67 2d 54 72 61 63 6b 69 6e 67 <h1>Bug-Tracking 0010: 20 49 6e 20 3c 61 20 68 72 65 66 3d 22 69 6e 64 In <a href="ind 0020: 65 78 2e 77 69 6b 69 22 3e 46 6f 73 73 69 6c 3c ex.wiki">Fossil< 0030: 2f 61 3e 3c 2f 68 31 3e 0a 0a 41 20 62 75 67 2d /a></h1>..A bug- 0040: 72 65 70 6f 72 74 20 69 6e 20 66 6f 73 73 69 6c report in fossil 0050: 20 69 73 20 63 61 6c 6c 65 64 20 61 20 22 74 69 is called a "ti 0060: 63 6b 65 74 22 2e 20 20 54 69 63 6b 65 74 73 20 cket". Tickets 0070: 61 72 65 20 74 72 61 63 6b 65 64 0a 73 65 70 61 are tracked.sepa 0080: 72 61 74 65 6c 79 20 66 72 6f 6d 20 63 6f 64 65 rately from code 0090: 20 63 68 65 63 6b 2d 69 6e 73 2e 0a 0a 53 6f 6d check-ins...Som 00a0: 65 20 6f 74 68 65 72 20 64 69 73 74 72 69 62 75 e other distribu 00b0: 74 65 64 20 62 75 67 2d 74 72 61 63 6b 69 6e 67 ted bug-tracking 00c0: 20 73 79 73 74 65 6d 73 20 73 74 6f 72 65 20 74 systems store t 00d0: 69 63 6b 65 74 73 20 61 73 20 66 69 6c 65 73 20 ickets as files 00e0: 77 69 74 68 69 6e 0a 74 68 65 20 73 6f 75 72 63 within.the sourc 00f0: 65 20 74 72 65 65 20 61 6e 64 20 74 68 65 72 65 e tree and there 0100: 62 79 20 6c 65 76 65 72 61 67 65 20 74 68 65 20 by leverage the 0110: 73 79 6e 63 69 6e 67 20 61 6e 64 20 6d 65 72 67 syncing and merg 0120: 69 6e 67 20 63 61 70 61 62 69 6c 69 74 69 65 73 ing capabilities 0130: 0a 6f 66 20 74 68 65 20 76 65 72 73 69 6f 6e 69 .of the versioni 0140: 6e 67 20 73 79 73 74 65 6d 20 74 6f 20 73 79 6e ng system to syn 0150: 63 20 61 6e 64 20 6d 65 72 67 65 20 74 69 63 6b c and merge tick 0160: 65 74 73 2e 20 20 54 68 69 73 20 61 70 70 72 6f ets. This appro 0170: 61 63 68 20 69 73 0a 72 65 6a 65 63 74 65 64 20 ach is.rejected 0180: 69 6e 20 66 6f 73 73 69 6c 20 66 6f 72 20 74 68 in fossil for th 0190: 72 65 65 20 72 65 61 73 6f 6e 73 3a 0a 0a 20 20 ree reasons:.. 01a0: 31 2e 20 20 43 68 65 63 6b 2d 69 6e 73 20 69 6e 1. Check-ins in 01b0: 20 66 6f 73 73 69 6c 20 61 72 65 20 69 6d 6d 75 fossil are immu 01c0: 74 61 62 6c 65 2e 20 20 53 6f 20 69 66 0a 20 20 table. So if. 01d0: 20 20 20 20 74 69 63 6b 65 74 73 20 77 65 72 65 tickets were 01e0: 20 70 61 72 74 20 6f 66 20 74 68 65 20 63 68 65 part of the che 01f0: 63 6b 2d 69 6e 2c 20 74 68 65 6e 20 74 68 65 72 ck-in, then ther 0200: 65 20 77 6f 75 6c 64 20 62 65 20 6e 6f 20 77 61 e would be no wa 0210: 79 20 74 6f 20 61 64 64 0a 20 20 20 20 20 20 6e y to add. n 0220: 65 77 20 74 69 63 6b 65 74 73 20 74 6f 20 61 20 ew tickets to a 0230: 63 68 65 63 6b 2d 69 6e 20 61 73 20 6e 65 77 20 check-in as new 0240: 62 75 67 73 20 61 72 65 20 64 69 73 63 6f 76 65 bugs are discove 0250: 72 65 64 2e 0a 0a 20 20 32 2e 20 20 41 6e 79 20 red... 2. Any 0260: 70 72 6f 6a 65 63 74 20 6f 66 20 72 65 61 73 6f project of reaso 0270: 6e 61 62 6c 65 20 73 69 7a 65 20 61 6e 64 20 63 nable size and c 0280: 6f 6d 70 6c 65 78 69 74 79 20 77 69 6c 6c 20 67 omplexity will g 0290: 65 6e 65 72 61 74 65 20 74 68 6f 75 73 61 6e 64 enerate thousand 02a0: 73 0a 20 20 20 20 20 20 61 6e 64 20 74 68 6f 75 s. and thou 02b0: 73 61 6e 64 73 20 6f 66 20 74 69 63 6b 65 74 73 sands of tickets 02c0: 2c 20 61 6e 64 20 77 65 20 64 6f 20 6e 6f 74 20 , and we do not 02d0: 77 61 6e 74 20 61 6c 6c 20 74 68 6f 73 65 20 74 want all those t 02e0: 69 63 6b 65 74 20 66 69 6c 65 73 0a 20 20 20 20 icket files. 02f0: 20 20 63 6c 75 74 74 65 72 69 6e 67 20 74 68 65 cluttering the 0300: 20 73 6f 75 72 63 65 20 74 72 65 65 2e 0a 0a 20 source tree... 0310: 20 33 2e 20 20 57 65 20 77 61 6e 74 20 74 69 63 3. We want tic 0320: 6b 65 74 73 20 74 6f 20 62 65 20 6d 61 6e 61 67 kets to be manag 0330: 65 64 20 66 72 6f 6d 20 74 68 65 20 77 65 62 20 ed from the web 0340: 69 6e 74 65 72 66 61 63 65 20 61 6e 64 20 74 6f interface and to 0350: 20 68 61 76 65 20 61 0a 20 20 20 20 20 20 70 65 have a. pe 0360: 72 6d 69 73 73 69 6f 6e 20 73 79 73 74 65 6d 20 rmission system 0370: 74 68 61 74 20 69 73 20 64 69 73 74 69 6e 63 74 that is distinct 0380: 20 66 72 6f 6d 20 63 68 65 63 6b 2d 69 6e 20 70 from check-in p 0390: 65 72 6d 69 73 73 69 6f 6e 73 2e 0a 20 20 20 20 ermissions.. 03a0: 20 20 49 6e 20 6f 74 68 65 72 20 77 6f 72 64 73 In other words 03b0: 2c 20 77 65 20 64 6f 20 6e 6f 74 20 77 61 6e 74 , we do not want 03c0: 20 74 6f 20 72 65 73 74 72 69 63 74 20 74 68 65 to restrict the 03d0: 20 63 72 65 61 74 69 6f 6e 20 61 6e 64 20 65 64 creation and ed 03e0: 69 74 69 6e 67 0a 20 20 20 20 20 20 6f 66 20 74 iting. of t 03f0: 69 63 6b 65 74 73 20 74 6f 20 64 65 76 65 6c 6f ickets to develo 0400: 70 65 72 73 20 77 69 74 68 20 63 68 65 63 6b 2d pers with check- 0410: 69 6e 20 70 72 69 76 69 6c 65 67 65 73 20 61 6e in privileges an 0420: 64 20 61 6e 20 69 6e 73 74 61 6c 6c 65 64 0a 20 d an installed. 0430: 20 20 20 20 20 63 6f 70 79 20 6f 66 20 74 68 65 copy of the 0440: 20 66 6f 73 73 69 6c 20 65 78 65 63 75 74 61 62 fossil executab 0450: 6c 65 2e 20 20 43 61 73 75 61 6c 20 70 61 73 73 le. Casual pass 0460: 65 72 73 2d 62 79 20 6f 6e 20 74 68 65 20 69 6e ers-by on the in 0470: 74 65 72 6e 65 74 20 73 68 6f 75 6c 64 0a 20 20 ternet should. 0480: 20 20 20 20 62 65 20 70 65 72 6d 69 74 74 65 64 be permitted 0490: 20 74 6f 20 63 72 65 61 74 65 20 74 69 63 6b 65 to create ticke 04a0: 74 73 2e 0a 0a 52 65 63 61 6c 6c 20 74 68 61 74 ts...Recall that 04b0: 20 61 20 66 6f 73 73 69 6c 20 72 65 70 6f 73 69 a fossil reposi 04c0: 74 6f 72 79 20 63 6f 6e 73 69 73 74 73 20 6f 66 tory consists of 04d0: 20 61 6e 0a 75 6e 6f 72 64 65 72 65 64 20 63 6f an.unordered co 04e0: 6c 6c 65 63 74 69 6f 6e 20 6f 66 20 3c 69 3e 61 llection of <i>a 04f0: 72 74 69 66 61 63 74 73 3c 2f 69 3e 2e 20 20 28 rtifacts</i>. ( 0500: 53 65 65 20 74 68 65 0a 3c 61 20 68 72 65 66 3d See the.<a href= 0510: 22 66 69 6c 65 66 6f 72 6d 61 74 2e 77 69 6b 69 "fileformat.wiki 0520: 22 3e 66 69 6c 65 20 66 6f 72 6d 61 74 20 64 6f ">file format do 0530: 63 75 6d 65 6e 74 3c 2f 61 3e 20 66 6f 72 20 64 cument</a> for d 0540: 65 74 61 69 6c 73 2e 29 0a 53 6f 6d 65 20 61 72 etails.).Some ar 0550: 74 69 66 61 63 74 73 20 68 61 76 65 20 61 20 73 tifacts have a s 0560: 70 65 63 69 61 6c 20 66 6f 72 6d 61 74 2c 20 61 pecial format, a 0570: 6e 64 20 61 6d 6f 6e 67 20 74 68 6f 73 65 20 61 nd among those a 0580: 72 65 0a 3c 61 20 68 72 65 66 3d 22 66 69 6c 65 re.<a href="file 0590: 66 6f 72 6d 61 74 2e 77 69 6b 69 23 74 6b 74 63 format.wiki#tktc 05a0: 68 6e 67 22 3e 54 69 63 6b 65 74 20 43 68 61 6e hng">Ticket Chan 05b0: 67 65 20 41 72 74 69 66 61 63 74 73 3c 2f 61 3e ge Artifacts</a> 05c0: 2e 0a 4f 6e 65 20 6f 72 20 6d 6f 72 65 20 74 69 ..One or more ti 05d0: 63 6b 65 74 20 63 68 61 6e 67 65 20 61 72 74 69 cket change arti 05e0: 66 61 63 74 73 20 61 72 65 20 61 73 73 6f 63 69 facts are associ 05f0: 61 74 65 64 20 77 69 74 68 20 65 61 63 68 20 0a ated with each . 0600: 74 69 63 6b 65 74 2e 20 20 41 20 74 69 63 6b 65 ticket. A ticke 0610: 74 20 69 73 20 63 72 65 61 74 65 64 20 62 79 20 t is created by 0620: 61 20 74 69 63 6b 65 74 20 63 68 61 6e 67 65 20 a ticket change 0630: 61 72 74 69 66 61 63 74 2e 0a 45 61 63 68 20 73 artifact..Each s 0640: 75 62 73 65 71 75 65 6e 74 20 6d 6f 64 69 66 69 ubsequent modifi 0650: 63 61 74 69 6f 6e 20 6f 66 20 74 68 65 20 74 69 cation of the ti 0660: 63 6b 65 74 20 69 73 20 61 20 73 65 70 61 72 61 cket is a separa 0670: 74 65 20 61 72 74 69 66 61 63 74 2e 0a 0a 54 68 te artifact...Th 0680: 65 20 22 70 75 73 68 22 2c 20 22 70 75 6c 6c 22 e "push", "pull" 0690: 2c 20 61 6e 64 20 22 73 79 6e 63 22 20 61 6c 67 , and "sync" alg 06a0: 6f 72 69 74 68 6d 73 20 73 68 61 72 65 20 74 69 orithms share ti 06b0: 63 6b 65 74 20 63 68 61 6e 67 65 20 61 72 74 69 cket change arti 06c0: 66 61 63 74 73 0a 62 65 74 77 65 65 6e 20 72 65 facts.between re 06d0: 70 6f 73 69 74 6f 72 69 65 73 20 69 6e 20 74 68 positories in th 06e0: 65 20 73 61 6d 65 20 77 61 79 20 61 73 20 65 76 e same way as ev 06f0: 65 72 79 20 6f 74 68 65 72 20 61 72 74 69 66 61 ery other artifa 0700: 63 74 2e 20 20 49 6e 20 66 61 63 74 2c 0a 74 68 ct. In fact,.th 0710: 65 20 73 79 6e 63 20 61 6c 67 6f 72 69 74 68 6d e sync algorithm 0720: 20 68 61 73 20 6e 6f 20 6b 6e 6f 77 6c 65 64 67 has no knowledg 0730: 65 20 6f 66 20 74 68 65 20 6d 65 61 6e 69 6e 67 e of the meaning 0740: 20 6f 66 20 74 68 65 20 61 72 74 69 66 61 63 74 of the artifact 0750: 73 20 69 74 0a 69 73 20 73 79 6e 63 69 6e 67 2e s it.is syncing. 0760: 20 20 41 73 20 66 61 72 20 61 73 20 74 68 65 20 As far as the 0770: 73 79 6e 63 20 61 6c 67 6f 72 69 74 68 6d 20 69 sync algorithm i 0780: 73 20 63 6f 6e 63 65 72 6e 65 64 2c 20 61 6c 6c s concerned, all 0790: 20 61 72 74 69 66 61 63 74 73 20 61 72 65 0a 61 artifacts are.a 07a0: 6c 69 6b 65 2e 20 20 41 66 74 65 72 20 74 68 65 like. After the 07b0: 20 73 79 6e 63 20 68 61 73 20 6f 63 63 75 72 73 sync has occurs 07c0: 2c 20 74 68 65 20 69 6e 64 69 76 69 64 75 61 6c , the individual 07d0: 20 72 65 70 6f 73 69 74 6f 72 69 65 73 20 6d 75 repositories mu 07e0: 73 74 0a 6d 61 6b 65 20 73 65 6e 73 65 20 6f 66 st.make sense of 07f0: 20 74 68 65 20 6d 65 61 6e 69 6e 67 20 6f 66 20 the meaning of 0800: 74 68 65 20 76 61 72 69 6f 75 73 20 61 72 74 69 the various arti 0810: 66 61 63 74 73 20 66 6f 72 20 74 68 65 6d 73 65 facts for themse 0820: 6c 76 65 73 2e 0a 0a 3c 68 32 3e 49 6e 74 65 72 lves...<h2>Inter 0830: 70 72 65 74 61 74 69 6f 6e 20 4f 66 20 54 69 63 pretation Of Tic 0840: 6b 65 74 20 43 68 61 6e 67 65 20 41 72 74 69 66 ket Change Artif 0850: 61 63 74 73 3c 2f 68 32 3e 0a 0a 3c 69 3e 4e 6f acts</h2>..<i>No 0860: 74 65 3a 20 54 68 65 20 66 6f 6c 6c 6f 77 69 6e te: The followin 0870: 67 20 69 73 20 69 6d 70 6c 65 6d 65 6e 74 61 74 g is implementat 0880: 69 6f 6e 20 64 65 74 61 69 6c 20 77 68 69 63 68 ion detail which 0890: 20 63 61 6e 20 62 65 20 73 61 66 65 6c 79 20 69 can be safely i 08a0: 67 6e 6f 72 65 64 20 62 79 0a 63 61 73 75 61 6c gnored by.casual 08b0: 20 75 73 65 72 73 20 6f 66 20 66 6f 73 73 69 6c users of fossil 08c0: 2e 3c 2f 69 3e 0a 0a 45 76 65 72 79 20 74 69 63 .</i>..Every tic 08d0: 6b 65 74 20 63 68 61 6e 67 65 20 61 72 74 69 66 ket change artif 08e0: 61 63 74 20 63 6f 6e 74 61 69 6e 73 20 28 61 6d act contains (am 08f0: 6f 6e 67 20 6f 74 68 65 72 20 74 68 69 6e 67 73 ong other things 0900: 29 0a 0a 20 20 2a 20 20 61 20 74 69 6d 65 73 74 ).. * a timest 0910: 61 6d 70 2c 0a 20 20 2a 20 20 61 20 74 69 63 6b amp,. * a tick 0920: 65 74 20 49 44 2c 20 61 6e 64 0a 20 20 2a 20 20 et ID, and. * 0930: 6f 6e 65 20 6f 72 20 6d 6f 72 65 20 6e 61 6d 65 one or more name 0940: 2f 76 61 6c 75 65 20 70 61 69 72 73 2e 0a 0a 54 /value pairs...T 0950: 68 65 20 63 75 72 72 65 6e 74 20 73 74 61 74 65 he current state 0960: 20 6f 66 20 61 20 74 69 63 6b 65 74 20 69 73 20 of a ticket is 0970: 66 6f 75 6e 64 20 62 79 20 72 65 70 6c 61 79 69 found by replayi 0980: 6e 67 20 61 6c 6c 20 74 69 63 6b 65 74 0a 63 68 ng all ticket.ch 0990: 61 6e 67 65 20 61 72 74 69 66 61 63 74 73 20 77 ange artifacts w 09a0: 69 74 68 20 74 68 65 20 73 61 6d 65 20 74 69 63 ith the same tic 09b0: 6b 65 74 20 49 44 20 69 6e 20 74 69 6d 65 73 74 ket ID in timest 09c0: 61 6d 70 20 6f 72 64 65 72 2e 0a 46 6f 72 20 61 amp order..For a 09d0: 20 67 69 76 65 6e 20 74 69 63 6b 65 74 2c 20 61 given ticket, a 09e0: 6c 6c 20 76 61 6c 75 65 73 20 61 72 65 20 69 6e ll values are in 09f0: 69 74 69 61 6c 6c 79 20 4e 55 4c 4c 2e 20 20 41 itially NULL. A 0a00: 73 20 65 61 63 68 0a 74 69 63 6b 65 74 20 63 68 s each.ticket ch 0a10: 61 6e 67 65 20 61 72 74 69 66 61 63 74 20 69 73 ange artifact is 0a20: 20 65 6e 63 6f 75 6e 74 65 72 65 64 2c 20 76 61 encountered, va 0a30: 6c 75 65 73 20 61 72 65 20 65 69 74 68 65 72 20 lues are either 0a40: 72 65 70 6c 61 63 65 64 0a 6f 72 20 61 70 70 65 replaced.or appe 0a50: 6e 64 65 64 2c 20 61 63 63 6f 72 64 69 6e 67 20 nded, according 0a60: 74 6f 20 61 20 66 6c 61 67 20 6f 6e 20 74 68 65 to a flag on the 0a70: 20 6e 61 6d 65 2f 76 61 6c 75 65 20 70 61 69 72 name/value pair 0a80: 2e 20 20 54 68 65 20 63 75 72 72 65 6e 74 0a 76 . The current.v 0a90: 61 6c 75 65 73 20 66 6f 72 20 74 68 65 20 66 69 alues for the fi 0aa0: 65 6c 64 73 20 6f 66 20 61 20 74 69 63 6b 65 74 elds of a ticket 0ab0: 20 61 72 65 20 74 68 65 20 76 61 6c 75 65 73 20 are the values 0ac0: 74 68 61 74 20 72 65 6d 61 69 6e 20 61 74 20 74 that remain at t 0ad0: 68 65 0a 65 6e 64 20 6f 66 20 74 68 65 20 72 65 he.end of the re 0ae0: 70 6c 61 79 20 70 72 6f 63 65 73 73 2e 0a 0a 54 play process...T 0af0: 6f 20 63 72 65 61 74 65 20 61 20 6e 65 77 20 74 o create a new t 0b00: 69 63 6b 65 74 2c 20 6f 6e 65 20 69 6e 73 65 72 icket, one inser 0b10: 74 73 20 61 20 74 69 63 6b 65 74 20 63 68 61 6e ts a ticket chan 0b20: 67 65 0a 61 72 74 69 66 61 63 74 20 77 69 74 68 ge.artifact with 0b30: 20 61 20 6e 65 77 20 49 44 2e 20 20 54 68 65 20 a new ID. The 0b40: 74 69 63 6b 65 74 20 49 44 0a 69 73 20 61 20 72 ticket ID.is a r 0b50: 61 6e 64 6f 6d 20 34 30 2d 63 68 61 72 61 63 74 andom 40-charact 0b60: 65 72 20 6c 6f 77 65 72 2d 63 61 73 65 20 68 65 er lower-case he 0b70: 78 61 64 65 63 69 6d 61 6c 20 6e 75 6d 62 65 72 xadecimal number 0b80: 2e 20 20 54 68 65 20 22 74 6b 74 6e 65 77 22 0a . The "tktnew". 0b90: 70 61 67 65 20 69 6e 20 74 68 65 20 66 6f 73 73 page in the foss 0ba0: 69 6c 20 77 65 62 20 69 6e 74 65 72 66 61 63 65 il web interface 0bb0: 20 63 72 65 61 74 65 73 20 6e 65 77 20 74 69 63 creates new tic 0bc0: 6b 65 74 20 49 44 73 0a 75 73 69 6e 67 20 61 20 ket IDs.using a 0bd0: 67 6f 6f 64 20 73 6f 75 72 63 65 20 6f 66 20 72 good source of r 0be0: 61 6e 64 6f 6d 6e 65 73 73 20 74 6f 20 69 6e 73 andomness to ins 0bf0: 75 72 65 20 75 6e 69 71 75 65 6e 65 73 73 2e 0a ure uniqueness.. 0c00: 54 68 65 20 6e 61 6d 65 2f 76 61 6c 75 65 20 70 The name/value p 0c10: 61 69 72 73 20 6f 6e 20 74 68 65 20 69 6e 69 74 airs on the init 0c20: 69 61 6c 20 74 69 63 6b 65 74 20 63 68 61 6e 67 ial ticket chang 0c30: 65 0a 61 72 74 69 66 61 63 74 20 61 72 65 20 74 e.artifact are t 0c40: 68 65 20 69 6e 69 74 69 61 6c 20 76 61 6c 75 65 he initial value 0c50: 73 20 66 6f 72 20 74 68 65 20 66 69 65 6c 64 73 s for the fields 0c60: 20 69 6e 20 74 68 65 20 74 69 63 6b 65 74 2e 0a in the ticket.. 0c70: 0a 41 6d 65 6e 64 69 6e 67 20 61 20 74 69 63 6b .Amending a tick 0c80: 65 74 20 6d 65 61 6e 73 20 73 69 6d 70 6c 79 20 et means simply 0c90: 63 72 65 61 74 69 6e 67 20 61 20 6e 65 77 20 61 creating a new a 0ca0: 72 74 69 66 61 63 74 20 77 69 74 68 20 74 68 65 rtifact with the 0cb0: 0a 73 61 6d 65 20 74 69 63 6b 65 74 20 49 44 20 .same ticket ID 0cc0: 61 6e 64 20 77 69 74 68 20 6e 61 6d 65 2f 76 61 and with name/va 0cd0: 6c 75 65 20 70 61 69 72 73 20 66 6f 72 20 74 68 lue pairs for th 0ce0: 6f 73 65 20 66 69 65 6c 64 73 20 77 68 69 63 68 ose fields which 0cf0: 0a 61 72 65 20 63 68 61 6e 67 69 6e 67 2e 20 20 .are changing. 0d00: 46 69 65 6c 64 73 20 6f 66 20 74 68 65 20 74 69 Fields of the ti 0d10: 63 6b 65 74 20 77 68 69 63 68 20 61 72 65 20 6e cket which are n 0d20: 6f 74 20 62 65 69 6e 67 20 6d 6f 64 69 66 69 65 ot being modifie 0d30: 64 0a 73 68 6f 75 6c 64 20 6e 6f 74 20 61 70 70 d.should not app 0d40: 65 61 72 20 61 73 20 6e 61 6d 65 2f 76 61 6c 75 ear as name/valu 0d50: 65 20 70 61 69 72 73 20 69 6e 20 74 68 65 20 6e e pairs in the n 0d60: 65 77 20 61 72 74 69 66 61 63 74 2e 0a 0a 54 68 ew artifact...Th 0d70: 69 73 20 61 70 70 72 6f 61 63 68 20 74 6f 20 73 is approach to s 0d80: 74 6f 72 69 6e 67 20 74 69 63 6b 65 74 20 73 74 toring ticket st 0d90: 61 74 65 20 6d 65 61 6e 73 20 74 68 61 74 20 69 ate means that i 0da0: 6e 64 65 70 65 6e 64 65 6e 74 6c 79 20 65 6e 74 ndependently ent 0db0: 65 72 65 64 0a 63 68 61 6e 67 65 73 20 61 72 65 ered.changes are 0dc0: 20 61 75 74 6f 6d 61 74 69 63 61 6c 6c 79 20 6d automatically m 0dd0: 65 72 67 65 64 20 74 6f 67 65 74 68 65 72 20 77 erged together w 0de0: 68 65 6e 20 61 72 74 69 66 61 63 74 73 20 61 72 hen artifacts ar 0df0: 65 20 73 68 61 72 65 64 0a 62 65 74 77 65 65 6e e shared.between 0e00: 20 72 65 70 6f 73 69 74 6f 72 69 65 73 2e 20 20 repositories. 0e10: 54 69 63 6b 65 74 73 20 64 6f 20 6e 6f 74 20 62 Tickets do not b 0e20: 72 61 6e 63 68 2e 20 20 54 68 69 73 20 61 70 70 ranch. This app 0e30: 72 6f 61 63 68 20 61 6c 73 6f 20 6d 61 6b 65 73 roach also makes 0e40: 0a 69 74 20 74 72 69 76 69 61 6c 20 74 6f 20 74 .it trivial to t 0e50: 72 61 63 6b 20 74 68 65 20 68 69 73 74 6f 72 69 rack the histori 0e60: 63 20 70 72 6f 67 72 65 73 73 69 6f 6e 20 6f 66 c progression of 0e70: 20 63 68 61 6e 67 65 73 20 74 6f 20 61 20 74 69 changes to a ti 0e80: 63 6b 65 74 2e 0a 0a 49 6e 20 6f 72 64 65 72 20 cket...In order 0e90: 66 6f 72 20 74 68 69 73 20 73 63 68 65 6d 65 20 for this scheme 0ea0: 74 6f 20 77 6f 72 6b 2c 20 74 68 65 20 73 79 73 to work, the sys 0eb0: 74 65 6d 20 63 6c 6f 63 6b 73 20 6f 6e 20 6d 61 tem clocks on ma 0ec0: 63 68 69 6e 65 73 20 74 68 61 74 0a 61 64 64 20 chines that.add 0ed0: 6e 65 77 20 74 69 63 6b 65 74 20 63 68 61 6e 67 new ticket chang 0ee0: 65 73 20 61 72 74 69 66 61 63 74 73 20 68 61 76 es artifacts hav 0ef0: 65 20 74 6f 20 62 65 20 73 65 74 20 63 6c 6f 73 e to be set clos 0f00: 65 20 74 6f 20 72 65 61 6c 69 74 79 2e 0a 49 74 e to reality..It 0f10: 20 69 73 20 4f 4b 20 66 6f 72 20 61 20 74 69 63 is OK for a tic 0f20: 6b 65 74 20 63 68 61 6e 67 65 20 61 72 74 69 66 ket change artif 0f30: 61 63 74 20 74 69 6d 65 73 74 61 6d 70 20 74 6f act timestamp to 0f40: 20 62 65 20 6f 66 66 20 62 79 20 61 20 66 65 77 be off by a few 0f50: 0a 6d 69 6e 75 74 65 73 20 6f 72 20 65 76 65 6e .minutes or even 0f60: 20 61 20 66 65 77 20 68 6f 75 72 73 2e 20 20 42 a few hours. B 0f70: 75 74 20 69 66 20 61 20 74 69 6d 65 73 74 61 6d ut if a timestam 0f80: 70 20 6f 6e 20 61 20 74 69 63 6b 65 74 20 63 68 p on a ticket ch 0f90: 61 6e 67 65 0a 61 72 74 69 66 61 63 74 20 69 73 ange.artifact is 0fa0: 20 6f 66 66 20 62 79 20 6d 6f 6e 74 68 73 20 6f off by months o 0fb0: 72 20 79 65 61 72 73 2c 20 69 74 20 63 61 6e 20 r years, it can 0fc0: 73 65 72 69 6f 75 73 6c 79 20 63 6f 6e 66 75 73 seriously confus 0fd0: 65 20 74 68 65 0a 72 65 70 6c 61 79 20 61 6c 67 e the.replay alg 0fe0: 6f 72 69 74 68 6d 20 66 6f 72 20 64 65 74 65 72 orithm for deter 0ff0: 6d 69 6e 69 6e 67 20 74 68 65 20 63 75 72 72 65 mining the curre 1000: 6e 74 20 74 69 63 6b 65 74 20 73 74 61 74 65 2e nt ticket state. 1010: 20 20 54 68 65 72 65 0a 61 72 65 20 74 65 63 68 There.are tech 1020: 6e 69 71 75 65 73 20 61 76 61 69 6c 61 62 6c 65 niques available 1030: 20 74 6f 20 63 61 75 73 65 20 72 6f 67 75 65 20 to cause rogue 1040: 61 72 74 69 66 61 63 74 73 20 74 6f 20 62 65 20 artifacts to be 1050: 69 67 6e 6f 72 65 64 0a 62 79 20 66 6f 73 73 69 ignored.by fossi 1060: 6c 2e 20 20 53 6f 20 69 66 20 61 20 74 69 63 6b l. So if a tick 1070: 65 74 20 63 68 61 6e 67 65 20 61 72 74 69 66 61 et change artifa 1080: 63 74 20 77 69 74 68 20 61 20 62 61 64 20 74 69 ct with a bad ti 1090: 6d 65 73 74 61 6d 70 0a 64 6f 65 73 20 67 65 74 mestamp.does get 10a0: 20 69 6e 74 6f 20 61 20 72 65 70 6f 73 69 74 6f into a reposito 10b0: 72 79 2c 20 69 74 20 63 61 6e 20 62 65 20 72 65 ry, it can be re 10c0: 6d 6f 76 65 64 20 62 79 20 61 6e 20 61 64 6d 69 moved by an admi 10d0: 6e 69 73 74 72 61 74 6f 72 2e 0a 42 75 74 20 74 nistrator..But t 10e0: 68 65 20 62 65 73 74 20 61 70 70 72 6f 61 63 68 he best approach 10f0: 20 69 73 20 74 6f 20 74 61 6b 65 20 73 74 65 70 is to take step 1100: 73 20 74 6f 20 69 6e 73 75 72 65 20 74 68 61 74 s to insure that 1110: 20 74 69 6d 65 73 74 61 6d 70 73 0a 61 72 65 20 timestamps.are 1120: 61 70 70 72 6f 78 69 6d 61 74 65 6c 79 20 63 6f approximately co 1130: 72 72 65 63 74 20 69 6e 20 74 68 65 20 66 69 72 rrect in the fir 1140: 73 74 20 70 6c 61 63 65 2e 0a 0a 3c 68 32 3e 4c st place...<h2>L 1150: 6f 63 61 6c 20 43 6f 6e 66 69 67 75 72 61 74 69 ocal Configurati 1160: 6f 6e 3c 2f 68 32 3e 0a 0a 54 68 65 20 74 69 63 on</h2>..The tic 1170: 6b 65 74 20 63 68 61 6e 67 65 20 61 72 74 69 66 ket change artif 1180: 61 63 74 73 20 61 72 65 20 70 61 72 74 20 6f 66 acts are part of 1190: 20 74 68 65 20 67 6c 6f 62 61 6c 20 73 74 61 74 the global stat 11a0: 65 20 66 6f 72 20 61 20 70 72 6f 6a 65 63 74 2e e for a project. 11b0: 0a 54 68 65 20 67 6c 6f 62 61 6c 20 73 74 61 74 .The global stat 11c0: 65 20 69 73 20 74 68 61 74 20 77 68 69 63 68 20 e is that which 11d0: 69 73 20 73 68 61 72 65 64 20 62 65 74 77 65 65 is shared betwee 11e0: 6e 20 72 65 70 6f 73 69 74 6f 72 69 65 73 20 64 n repositories d 11f0: 75 72 69 6e 67 0a 61 20 73 79 6e 63 2e 20 20 45 uring.a sync. E 1200: 61 63 68 20 72 65 70 6f 73 69 74 6f 72 79 20 61 ach repository a 1210: 6c 73 6f 20 68 61 73 20 6c 6f 63 61 6c 20 73 74 lso has local st 1220: 61 74 65 20 77 68 69 63 68 20 69 73 20 6e 6f 74 ate which is not 1230: 20 28 6e 6f 72 6d 61 6c 6c 79 29 0a 73 68 61 72 (normally).shar 1240: 65 64 2e 20 20 54 68 65 20 6e 61 6d 65 2f 76 61 ed. The name/va 1250: 6c 75 65 20 70 61 69 72 73 20 66 6f 72 20 61 20 lue pairs for a 1260: 74 69 63 6b 65 74 20 61 72 65 20 70 61 72 74 20 ticket are part 1270: 6f 66 20 67 6c 6f 62 61 6c 20 73 74 61 74 65 2c of global state, 1280: 0a 62 75 74 20 74 68 65 20 69 6e 74 65 72 70 72 .but the interpr 1290: 65 74 61 74 69 6f 6e 20 61 6e 64 20 64 69 73 70 etation and disp 12a0: 6c 61 79 20 6f 66 20 74 68 61 74 20 69 6e 66 6f lay of that info 12b0: 72 6d 61 74 69 6f 6e 20 69 73 20 6c 6f 63 61 6c rmation is local 12c0: 20 73 74 61 74 65 2e 0a 48 65 6e 63 65 2c 20 65 state..Hence, e 12d0: 61 63 68 20 72 65 70 6f 73 69 74 6f 72 79 20 69 ach repository i 12e0: 73 20 66 72 65 65 20 74 6f 20 73 65 74 20 75 70 s free to set up 12f0: 20 69 74 73 20 6f 77 6e 20 74 69 63 6b 65 74 20 its own ticket 1300: 64 69 73 70 6c 61 79 20 61 6e 64 0a 69 6e 70 75 display and.inpu 1310: 74 20 66 6f 72 6d 61 74 73 20 61 6e 64 20 72 65 t formats and re 1320: 70 6f 72 74 69 6e 67 20 72 75 6c 65 73 20 61 63 porting rules ac 1330: 63 6f 72 64 69 6e 67 20 74 6f 20 69 74 73 20 6f cording to its o 1340: 77 6e 20 70 61 72 74 69 63 75 6c 61 72 20 6e 65 wn particular ne 1350: 65 64 73 2e 0a 0a 45 61 63 68 20 72 65 70 6f 73 eds...Each repos 1360: 69 74 6f 72 79 20 64 65 66 69 6e 65 73 20 69 74 itory defines it 1370: 73 20 6f 77 6e 20 54 49 43 4b 45 54 20 74 61 62 s own TICKET tab 1380: 6c 65 20 69 6e 20 69 74 73 20 64 61 74 61 62 61 le in its databa 1390: 73 65 2e 20 20 54 68 65 72 65 20 69 73 0a 6f 6e se. There is.on 13a0: 65 20 72 6f 77 20 69 6e 20 74 68 65 20 54 49 43 e row in the TIC 13b0: 4b 45 54 20 74 61 62 6c 65 20 66 6f 72 20 65 61 KET table for ea 13c0: 63 68 20 75 6e 69 71 75 65 20 74 69 63 6b 65 74 ch unique ticket 13d0: 20 49 44 2e 20 20 54 68 65 0a 6e 61 6d 65 73 20 ID. The.names 13e0: 6f 66 20 63 6f 6c 75 6d 6e 73 20 69 6e 20 74 68 of columns in th 13f0: 65 20 54 49 43 4b 45 54 20 74 61 62 6c 65 20 63 e TICKET table c 1400: 6f 72 72 65 73 70 6f 6e 64 20 74 6f 20 74 68 65 orrespond to the 1410: 20 6e 61 6d 65 73 20 69 6e 0a 74 68 65 20 6e 61 names in.the na 1420: 6d 65 2f 76 61 6c 75 65 20 70 61 69 72 73 20 6f me/value pairs o 1430: 66 20 74 69 63 6b 65 74 20 63 68 61 6e 67 65 20 f ticket change 1440: 61 72 74 69 66 61 63 74 73 2e 20 20 57 68 65 6e artifacts. When 1450: 20 72 75 6e 6e 69 6e 67 20 74 68 65 20 72 65 70 running the rep 1460: 6c 61 79 0a 61 6c 67 6f 72 69 74 68 6d 2c 20 69 lay.algorithm, i 1470: 66 20 61 20 6e 61 6d 65 2f 76 61 6c 75 65 20 70 f a name/value p 1480: 61 69 72 20 69 73 20 73 65 65 6e 20 77 68 69 63 air is seen whic 1490: 68 20 68 61 73 20 6e 6f 20 63 6f 72 72 65 73 70 h has no corresp 14a0: 6f 6e 64 69 6e 67 20 63 6f 6c 75 6d 6e 0a 69 6e onding column.in 14b0: 20 74 68 65 20 54 49 43 4b 45 54 20 74 61 62 6c the TICKET tabl 14c0: 65 2c 20 74 68 65 6e 20 74 68 61 74 20 6e 61 6d e, then that nam 14d0: 65 2f 76 61 6c 75 65 20 70 61 69 72 20 69 73 20 e/value pair is 14e0: 69 67 6e 6f 72 65 64 2e 20 20 43 6f 6c 75 6d 6e ignored. Column 14f0: 73 20 63 61 6e 0a 62 65 20 61 64 64 65 64 20 6f s can.be added o 1500: 72 20 72 65 6d 6f 76 65 64 20 66 72 6f 6d 20 74 r removed from t 1510: 68 65 20 54 49 43 4b 45 54 20 74 61 62 6c 65 20 he TICKET table 1520: 61 74 20 61 6e 79 20 74 69 6d 65 2e 20 20 57 68 at any time. Wh 1530: 65 6e 65 76 65 72 20 74 68 65 0a 54 49 43 4b 45 enever the.TICKE 1540: 54 20 74 61 62 6c 65 20 69 73 20 6d 6f 64 69 66 T table is modif 1550: 69 65 64 2c 20 74 68 65 20 72 65 70 6c 61 79 20 ied, the replay 1560: 61 6c 67 6f 72 69 74 68 6d 20 61 75 74 6f 6d 61 algorithm automa 1570: 74 69 63 61 6c 6c 79 20 72 65 72 75 6e 73 0a 74 tically reruns.t 1580: 6f 20 72 65 70 6f 70 75 6c 61 74 65 20 74 68 65 o repopulate the 1590: 20 74 61 62 6c 65 20 75 73 69 6e 67 20 74 68 65 table using the 15a0: 20 6e 65 77 20 63 6f 6c 75 6d 6e 20 6e 61 6d 65 new column name 15b0: 73 2e 20 20 4e 6f 74 65 20 74 68 61 74 20 74 68 s. Note that th 15c0: 65 20 54 49 43 4b 45 54 0a 74 61 62 6c 65 20 73 e TICKET.table s 15d0: 63 68 65 6d 61 20 61 6e 64 20 63 6f 6e 74 65 6e chema and conten 15e0: 74 20 69 73 20 70 61 72 74 20 6f 66 20 74 68 65 t is part of the 15f0: 20 6c 6f 63 61 6c 20 73 74 61 74 65 20 6f 66 20 local state of 1600: 61 20 72 65 70 6f 73 69 74 6f 72 79 0a 61 6e 64 a repository.and 1610: 20 69 73 20 6e 6f 74 20 73 68 61 72 65 64 20 77 is not shared w 1620: 69 74 68 20 6f 74 68 65 72 20 72 65 70 6f 73 69 ith other reposi 1630: 74 6f 72 69 65 73 20 64 75 72 69 6e 67 20 61 20 tories during a 1640: 73 79 6e 63 2c 20 70 75 73 68 2c 20 6f 72 20 70 sync, push, or p 1650: 75 6c 6c 2e 0a 0a 45 61 63 68 20 72 65 70 6f 73 ull...Each repos 1660: 69 74 6f 72 79 20 61 6c 73 6f 20 64 65 66 69 6e itory also defin 1670: 65 73 20 73 63 72 69 70 74 73 20 75 73 65 64 20 es scripts used 1680: 74 6f 20 67 65 6e 65 72 61 74 65 20 77 65 62 20 to generate web 1690: 70 61 67 65 73 20 66 6f 72 0a 63 72 65 61 74 69 pages for.creati 16a0: 6e 67 20 6e 65 77 20 74 69 63 6b 65 74 73 2c 20 ng new tickets, 16b0: 76 69 65 77 69 6e 67 20 65 78 69 73 74 69 6e 67 viewing existing 16c0: 20 74 69 63 6b 65 74 73 2c 20 61 6e 64 20 6d 6f tickets, and mo 16d0: 64 69 66 79 69 6e 67 20 61 6e 0a 65 78 69 73 74 difying an.exist 16e0: 69 6e 67 20 74 69 63 6b 65 74 2e 20 20 54 68 65 ing ticket. The 16f0: 73 65 20 73 63 72 69 70 74 73 20 63 6f 6e 73 69 se scripts consi 1700: 73 74 20 6f 66 20 48 54 4d 4c 20 77 69 74 68 20 st of HTML with 1710: 61 6e 20 65 6d 62 65 64 64 65 64 0a 73 63 72 69 an embedded.scri 1720: 70 74 73 20 77 72 69 74 74 65 6e 20 61 6e 20 61 pts written an a 1730: 20 54 63 6c 2d 6c 69 6b 65 20 6c 61 6e 67 75 61 Tcl-like langua 1740: 67 65 20 63 61 6c 6c 65 64 20 22 54 48 31 22 2e ge called "TH1". 1750: 20 20 45 76 65 72 79 20 6e 65 77 20 66 6f 73 73 Every new foss 1760: 69 6c 0a 72 65 70 6f 73 69 74 6f 72 79 20 69 73 il.repository is 1770: 20 63 72 65 61 74 65 64 20 77 69 74 68 20 64 65 created with de 1780: 66 61 75 6c 74 20 73 63 72 69 70 74 73 2e 20 20 fault scripts. 1790: 54 68 65 72 65 20 69 73 20 63 75 72 72 65 6e 74 There is current 17a0: 6c 79 20 6e 6f 0a 64 6f 63 75 6d 65 6e 74 61 74 ly no.documentat 17b0: 69 6f 6e 20 6f 6e 20 74 68 65 20 54 48 31 20 6c ion on the TH1 l 17c0: 61 6e 67 75 61 67 65 2e 20 20 41 64 6d 69 6e 69 anguage. Admini 17d0: 73 74 72 61 74 6f 72 73 20 77 69 73 68 69 6e 67 strators wishing 17e0: 20 74 6f 0a 63 75 73 74 6f 6d 69 7a 65 20 74 68 to.customize th 17f0: 65 69 72 20 74 69 63 6b 65 74 20 65 6e 74 72 79 eir ticket entry 1800: 2c 20 76 69 65 77 69 6e 67 2c 20 61 6e 64 20 65 , viewing, and e 1810: 64 69 74 69 6e 67 20 73 63 72 65 65 6e 73 20 73 diting screens s 1820: 68 6f 75 6c 64 0a 6d 6f 64 69 66 79 20 74 68 65 hould.modify the 1830: 20 64 65 66 61 75 6c 74 20 73 63 72 69 70 74 73 default scripts 1840: 20 74 6f 20 73 75 69 74 20 74 68 65 69 72 20 6e to suit their n 1850: 65 65 64 73 2e 20 20 54 68 65 73 65 20 73 63 72 eeds. These scr 1860: 65 65 6e 20 67 65 6e 65 72 61 74 6f 72 0a 73 63 een generator.sc 1870: 72 69 70 74 73 20 61 72 65 20 70 61 72 74 20 6f ripts are part o 1880: 66 20 74 68 65 20 6c 6f 63 61 6c 20 73 74 61 74 f the local stat 1890: 65 20 6f 66 20 61 20 72 65 70 6f 73 69 74 6f 72 e of a repositor 18a0: 79 20 61 6e 64 20 61 72 65 20 6e 6f 74 20 73 68 y and are not sh 18b0: 61 72 65 64 0a 77 69 74 68 20 6f 74 68 65 72 20 ared.with other 18c0: 72 65 70 6f 73 69 74 6f 72 69 65 73 20 64 75 72 repositories dur 18d0: 69 6e 67 20 61 20 73 79 6e 63 2c 20 70 75 73 68 ing a sync, push 18e0: 2c 20 6f 72 20 70 75 6c 6c 2e 0a 0a 3c 69 3e 54 , or pull...<i>T 18f0: 6f 20 62 65 20 63 6f 6e 74 69 6e 75 65 64 2e 2e o be continued.. 1900: 2e 3c 2f 69 3e 0a .</i>.