📄 rcs.ps
字号:
1092(text)S1289(of)S1419(a)S1510(revision,)S1904(for)S2067(instance)S2441(inside)S2727(a)S2818(comment.)S3292(The)S3494(check-out)S3934(operation)S4358(will)S4561(replace)S4895(this)S5844 V720(marker)S1032(with)S1240(a)S1314(string)S1572(of)S1685(the)S1837(form)S6024 V10 I1080($Id:)S1306(filename)S1710(revisionnumber)S2397(date)S2629(time)S2861(author)S3188(state)S3437(locker)S3716($)S6264 V10 R720(This)S929(string)S1188(need)S1407(never)S1659(be)S1784(touched,)S2156(because)S10 I2502(co)S10 R2627(keeps)S2885(it)S2972(up)S3103(to)S3212(date)S3409(automatically.)S4039(To)S4181(propagate)S4605(the)S4758(marker)S6444 V720(into)S906(object)S1180(code,)S1423(simply)S1726(put)S1884(it)S1970(into)S2156(a)S2230(literal)S2493(character)S2887(string.)S3200(In)S3313(C,)S3435(this)S3610(is)S3707(done)S3931(as)S4044(follows:)S6702 V8 Y1720(333333333333333333)S6820 V8 R820(\262)S900(Pairs)S1088(of)S1184(RCS)S1367(and)S1512(working)S1808(\256les)S1971(can)S2111(actually)S2392(be)S2497(speci\256ed)S2810(in)S2902(3)S2972(ways:)S3188(a\))S3279(both)S3451(are)S3577(given,)S3804(b\))S3900(only)S4072(the)S4199(working)S4495(\256le)S4627(is)S6920 V720(given,)S945(c\))S1034(only)S1204(the)S1329(RCS)S1510(\256le)S1640(is)S1721(given.)S1970(If)S2050(a)S2113(pair)S2264(is)S2345(given,)S2570(both)S2740(\256les)S2900(may)S3064(have)S3241(arbitrary)S3540(path)S3704(pre\256xes;)S4005(RCS)S4185(commands)S4557(pair)S7020 V720(them)S903(up)S1007(intelligently.)S7920 VEP%%Page: 4 5BP/slant 0 def/height 1.000000 def8 R8 R40 V10 R0(-)S520 V2792(- 4 -)S900 V10 I1080(static)S1327(char)S1540(rcsid[])S1848(=)S1946("$Id$";)S1140 V10 R720(The)S914(command)S10 I1347(ident)S10 R1586(extracts)S1935(such)S2157(markers)S2517(from)S2750(any)S2933(\256le,)S3125(in)S3243(particular)S3665(from)S3899(object)S4183(code.)S10 I4466(Ident)S10 R4711(helps)S4962(to)S1320 V720(\256nd)S921(out)S1094(which)S1383(revisions)S1789(of)S1917(which)S2206(modules)S2590(were)S2828(used)S3056(in)S3179(a)S3268(given)S3535(program.)S3972(It)S4077(returns)S4398(a)S4486(complete)S4896(and)S1500 V720(unambiguous)S1300(component)S1785(list,)S1974(from)S2209(which)S2494(a)S2579(copy)S2814(of)S2938(the)S3101(program)S3480(can)S3659(be)S3794(reconstructed.)S4428(This)S4648(facility)S4973(is)S1680 V720(invaluable)S1166(for)S1312(program)S1680(maintenance.)S1896 V970(There)S1232(are)S1383(several)S1695(additional)S2125(identi\256cation)S2683(markers,)S3059(one)S3233(for)S3379(each)S3591(component)S4065(of)S4178($Id$.)S4446(The)S4631(marker)S2076 V10 I1080($Log$)S2316 V10 R720(has)S894(a)S979(similar)S1298(function.)S1727(It)S1829(accumulates)S2363(the)S2526(log)S2695(messages)S3113(that)S3304(are)S3466(requested)S3889(during)S4191(check-in.)S4630(Thus,)S4896(one)S2496 V720(can)S891(maintain)S1274(the)S1429(complete)S1828(history)S2139(of)S2255(a)S2332(revision)S2687(directly)S3025(inside)S3297(it,)S3411(by)S3544(enclosing)S3960(it)S4049(in)S4160(a)S4237(comment.)S4697(Figure)S4990(1)S2676 V720(is)S822(a)S901(partial)S1191(reproduction)S1736(of)S1854(a)S1933(log)S2096(contained)S2519(in)S2632(revision)S2990(4.1)S3151(of)S3270(the)S3428(\256le)S10 I3592(ci.c)S10 R3733(.)S3824(The)S4015(log)S4179(appears)S4519(at)S4627(the)S4785(begin-)S2856 V720(ning)S928(of)S1041(the)S1193(\256le,)S1376(and)S1550(makes)S1835(it)S1921(easy)S2128(to)S2236(determine)S2665(what)S2889(the)S3041(recent)S3314(modi\256cations)S3889(were.)S3156 V1080(/*)S1188($Log:)S1457(ci.c,v)S1703($)S3276 V1110(*)S1190(Revision)S1576(4.1)S1761(1983/05/10)S2277(17:03:06)S2693(wft)S3396 V1110(*)S1190(Added)S1486(option)S1772(\261d)S1902(and)S2076(\261w,)S2253(and)S2427(updated)S2773(assignment)S3253(of)S3366(date,)S3587(etc.)S3758(to)S3866(new)S4062(delta.)S3516 V1110(*)S1190(Added)S1486(handling)S1866(of)S1979(default)S2286(branches.)S3636 V1110(*)S3756 V1110(*)S1190(Revision)S1576(3.9)S1761(1983/02/15)S2277(15:25:44)S2693(wft)S3876 V1110(*)S1190(Added)S1486(call)S1660(to)S1768(fastcopy\(\))S2202(to)S2310(copy)S2534(remainder)S2968(of)S3081(RCS)S3301(\256le.)S3996 V1110(*)S4116 V1110(*)S1190(Revision)S1576(3.8)S1761(1983/01/14)S2277(15:34:05)S2693(wft)S4236 V1110(*)S1190(Added)S1486(ignoring)S1855(of)S1968(interrupts)S2381(while)S2633(new)S2829(RCS)S3049(\256le)S3207(is)S3304(renamed;)S4356 V1110(*)S1190(avoids)S1481(deletion)S1833(of)S1946(RCS)S2166(\256les)S2363(by)S2493(interrupts.)S4476 V1110(*)S4596 V1110(*)S1190(Revision)S1576(3.7)S1761(1982/12/10)S2277(16:09:20)S2693(wft)S4716 V1110(*)S1190(Corrected)S1613(checking)S2003(of)S2116(return)S2384(code)S2602(from)S2826(di)S2904 H (f)show 10 -.5 mul h (f)show10 R2965(.)S4836 V1110(*)S1190(An)S1342(RCS)S1562(\256le)S1720(now)S1922(inherits)S2252(its)S2377(mode)S2629(during)S2920(the)S3072(\256rst)S3258(ci)S3360(from)S3584(the)S3736(working)S4099(\256le,)S4956 V1110(*)S1190(except)S1480(that)S1660(write)S1895(permission)S2364(is)S2461(removed.)S5076 V1110(*/)S5196 V1783(Figure)S2074(1.)S2209(Log)S2400(entries)S2696(produced)S3097(by)S3227(the)S3379(marker)S3691($Log$.)S5412 V720(Since)S973(revisions)S1365(are)S1517(stored)S1792(in)S1901(the)S2054(form)S2279(of)S2393(di)S2471 H (f)show 10 -.5 mul h (f)show10 R2532(erences,)S2886(each)S3099(log)S3258(message)S3628(is)S3727(physically)S4170(stored)S4446(once,)S4691(indepen-)S5592 V720(dent)S922(of)S1035(the)S1187(number)S1522(of)S1635(revisions)S2026(present.)S2399(Thus,)S2654(the)S2806($Log$)S3097(marker)S3409(incurs)S3683(negligible)S4113(space)S4364(overhead.)S5952 V10 B720(3.)S855(The)S1052(RCS)S1282(Revision)S1679(Tree)S6168 V10 R970(RCS)S1198(arranges)S1573(revisions)S1972(in)S2089(an)S2222(ancestral)S2615(tree.)S2858(The)S10 I3052(ci)S10 R3163(command)S3596(builds)S3880(this)S4064(tree;)S4280(the)S4441(auxiliary)S4835(com-)S6348 V720(mand)S10 I983(rcs)S10 R1146(prunes)S1453(it.)S1605(The)S1801(tree)S1991(has)S2165(a)S2250(root)S2452(revision,)S2840(normally)S3242(numbered)S3682(1.1,)S3873(and)S4057(successive)S4518(revisions)S4919(are)S6528 V720(numbered)S1154(1.2,)S1339(1.3,)S1524(etc.)S1730(The)S1921(\256rst)S2113(\256eld)S2327(of)S2446(a)S2526(revision)S2884(number)S3225(is)S3328(called)S3602(the)S10 I3760(release)S4084(number)S10 R4425(and)S4605(the)S4763(second)S6708 V720(one)S900(the)S10 I1058(level)S1282(number)S10 R1587(.)S1677(Unless)S1984(given)S2241(explicitly,)S2679(the)S10 I2836(ci)S10 R2943(command)S3372(assigns)S3696(a)S3775(new)S3976(revision)S4333(number)S4673(by)S4808(incre-)S6888 V720(menting)S1085(the)S1244(level)S1475(number)S1817(of)S1937(the)S2096(previous)S2477(revision.)S2891(The)S3084(release)S3398(number)S3741(must)S3974(be)S4106(incremented)S4637(explicitly,)S7068 V720(using)S974(the)S10 I1133(\261r)S10 R1259(option)S1551(of)S10 I1670(ci)S10 R1742(.)S1833(Assuming)S2275(there)S2510(are)S2667(revisions)S3064(1.1,)S3250(1.2,)S3436(and)S3616(1.3)S3777(in)S3891(the)S4049(RCS)S4275(\256le)S4439(f.c,v,)S4677(the)S4835(com-)S7248 V720(mand)S7920 VEP%%Page: 5 6BP/slant 0 def/height 1.000000 def10 R10 R40 V0(-)S580 V2792(- 5 -)S900 V10 I1080(ci)S1212(\261r2.1)S1486(f.c)S10 R1793(or)S10 I2086(ci)S2218(\261r2)S2417(f.c)S1140 V10 R720(assigns)S1061(the)S1235(number)S1592(2.1)S1769(to)S1899(the)S2074(new)S2293(revision.)S2723(Later)S2986(check-ins)S3421(without)S3780(the)S10 I3955(\261r)S10 R4097(option)S4406(will)S4615(assign)S4918(the)S1320 V720(numbers)S1095(2.2,)S1276(2.3,)S1457(and)S1632(so)S1751(on.)S1936(The)S2121(release)S2427(number)S2762(should)S3059(be)S3183(incremented)S3706(only)S3914(at)S4016(major)S4279(transition)S4687(points)S4962(in)S1500 V720(the)S872(development,)S1443(for)S1589(instance)S1946(when)S2192(a)S2266(new)S2462(release)S2768(of)S2881(a)S2955(software)S3328(product)S3663(has)S3826(been)S4044(completed.)S1860 V10 B720(3.1.)S930(When)S1216(are)S1384(branches)S1803(needed?)S2076 V10 R970(A)S1075(young)S1358(revision)S1713(tree)S1895(is)S1995(slender:)S2344(It)S2438(consists)S2789(of)S2906(only)S3118(one)S3296(branch,)S3626(called)S3898(the)S4054(trunk.)S4354(As)S4499(the)S4655(tree)S4838(ages,)S2256 V720(side)S911(branches)S1295(may)S1497(form.)S1776(Branches)S2177(are)S2328(needed)S2640(in)S2748(the)S2900(following)S3319(4)S3399(situations.)S2472 V10 I720(Temporary)S1194(fixes)S2652 V10 R970(Suppose)S1346(a)S1427(tree)S1614(has)S1785(5)S1873(revisions)S2272(grouped)S2637(in)S2753(2)S2841(releases,)S3219(as)S3340(illustrated)S3778(in)S3894(Figure)S4193(2.)S4336(Revision)S4730(1.3,)S4918(the)S2832 V970(last)S1139(one)S1313(of)S1426(release)S1732(1,)S1837(is)S1934(in)S2042(operation)S2449(at)S2551(customer)S2947(sites,)S3180(while)S3432(release)S3738(2)S3818(is)S3915(in)S4023(active)S4291(development.)S3143 V8 R2532(1.1)S3242 V2410 H2410 3012 lc2410 3012 mc2410 H2755 3012 lc2755 3012 mc2755 H2755 3242 lc2755 3242 mc2755 H2410 3242 lc2410 3242 mc3127 V2755 H2985 3127 lc2985 3127 mc3138 V2939 H2985 3127 lc2985 3127 mc3115 V2939 H2985 3126 lc2985 3126 mc3143 V3108(1.2)S3242 V2986 H2986 3012 lc2986 3012 mc2986 H3331 3012 lc3331 3012 mc3331 H3331 3242 lc3331 3242 mc3331 H2986 3242 lc2986 3242 mc3127 V3331 H3561 3127 lc3561 3127 mc3138 V3515 H3561 3127 lc3561 3127 mc3115 V3515 H3561 3126 lc3561 3126 mc3143 V3684(1.3)S3242 V3562 H3562 3012 lc3562 3012 mc3562 H3907 3012 lc3907 3012 mc3907 H3907 3242 lc3907 3242 mc3907 H3562 3242 lc3562 3242 mc3127 V3907 H4137 3127 lc4137 3127 mc3138 V4091 H4137 3127 lc4137 3127 mc3115 V4091 H4137 3126 lc4137 3126 mc3143 V4260(2.1)S3242 V4138 H4138 3012 lc4138 3012 mc4138 H4483 3012 lc4483 3012 mc4483 H4483 3242 lc4483 3242 mc4483 H4138 3242 lc4138 3242 mc3127 V4483 H4713 3127 lc4713 3127 mc3138 V4667 H4713 3127 lc4713 3127 mc3115 V4667 H4713 3126 lc4713 3126 mc3143 V4836(2.2)S3242 V4714 H4714 3012 lc4714 3012 mc4714 H5059 3012 lc5059 3012 mc5059 H5059 3242 lc5059 3242 mc5059 H4714 3242 lc4714 3242 mc3127 V5059 H5082 3127 lc5082 3127 mc5111 H5134 3127 lc5134 3127 mc5163 H5186 3127 lc5186 3127 mc5215 H5238 3127 lc5238 3127 mc5266 H5289 3127 lc5289 3127 mc3138 V5243 H5289 3127 lc5289 3127 mc3115 V5243 H5289 3126 lc5289 3126 mc3422 V10 R2319(Figure)S2610(2.)S2745(A)S2847(slender)S3165(revision)S3517(tree.)S3602 V970(Now)S1194(imagine)S1547(a)S1622(customer)S2019(requesting)S2466(a)S2541(\256x)S2678(of)S2792(a)S2867(problem)S3231(in)S3340(revision)S3693(1.3,)S3874(although)S4255(actual)S4524(development)S3782 V970(has)S1135(moved)S1439(on)S1571(to)S1681(release)S1989(2.)S2126(RCS)S2347(does)S2561(not)S2720(permit)S3012(an)S3137(extra)S3367(revision)S3720(to)S3829(be)S3954(spliced)S4268(in)S4377(between)S4740(1.3)S4896(and)S3962 V970(2.1,)S1151(since)S1387(that)S1568(would)S1849(not)S2008(re\257ect)S2288(the)S2441(actual)S2710(development)S3257(history.)S⌨️ 快捷键说明
复制代码
Ctrl + C
搜索代码
Ctrl + F
全屏模式
F11
切换主题
Ctrl + Shift + D
显示快捷键
?
增大字号
Ctrl + =
减小字号
Ctrl + -