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1 #!/usr/bin/awk -f
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2 # calc_sizes - module of TazLito - SliTaz Live Tool.
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3
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4 # Calculate sizes (estimated) and real packages number (including all dependencies)
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5 # using given extracted flavor and current mirrors.
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6 #
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7 # Input: <unpacked flavor dir> <flavor name> [<output full list file>]
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8 # Output in human readable form:
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9 # <unpacked size> <packed size> <size of ISO> <number of packages>
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10 # File $1/err output: unknown packages
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11 # File $1/warn output: warnings about missing packages
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12 # TODO: use 'equivalent packages' rules
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13
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14 BEGIN {
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15 FS = "\t";
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16 K = 1024; M = K * 1024; G = M * 1024;
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17 dir = ARGV[1]; flavor = ARGV[2]; outfile = ARGV[3];
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18
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19 # Get listing of dir
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20 "ls " dir " | tr '\n' ' '" | getline lsdir;
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21
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22 # Calculate rootfs_p, rootfs_u, and rootcd_u
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23 if (index(lsdir, flavor ".rootfs")) {
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24 "wc -c < " dir "/" flavor ".rootfs" | getline rootfs_p;
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25 "zcat " dir "/" flavor ".rootfs|wc -c" | getline rootfs_u;
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26 }
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27 if (index(lsdir, flavor ".rootcd"))
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28 "zcat " dir "/" flavor ".rootcd | wc -c" | getline rootcd_u;
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29
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30 errfile = dir "/err";
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31 warnfile = dir "/warn";
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32 system("rm " errfile " " warnfile " " outfile " 2>/dev/null");
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33
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34 root = ENVIRON["root"];
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35
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36 # Get list of 'packages.info' lists using priority
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37 pkgdb = root "/var/lib/tazpkg";
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38 "ls " pkgdb " | tr '\n' ' '" | getline lsdir;
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39 if (! index(lsdir, "packages.info"))
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40 "tazpkg recharge --root=" root " >/dev/null 2>&1";
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41 if (index(lsdir, "priority"))
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42 "cat " pkgdb "/priority | tr '\n' ' '" | getline loop;
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43 loop = loop "main";
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44 if (index(lsdir, "undigest"))
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45 "ls " pkgdb "/undigest | tr '\n' ' '" | getline undigest;
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46 loop = loop " " undigest;
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47 split(loop, repos, / +/);
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48 ARGC = 1;
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49 for (i in repos) {
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50 if (repos[i] && ! arr[repos[i]]) {
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51 arr[repos[i]] = 1;
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52 if (repos[i] == "main")
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53 pi = pkgdb "/packages.info";
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54 else
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55 pi = pkgdb "/undigest/" repos[i] "/packages.info";
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56 if (!system("test -e "pi)) {
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57 ARGV[ARGC] = pi;
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58 ARGC ++;
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59 }
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60 }
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61 }
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62 ARGV[ARGC] = dir "/" flavor ".pkglist"; ARGC ++;
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63 }
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64
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65 # Convert human-readable format to bytes
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66 function h2b(h) {
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67 if (h ~ "K") return h * K;
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68 if (h ~ "M") return h * M;
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69 if (h ~ "G") return h * G;
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70 return h;
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71 }
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72
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73 # Convert bytes to human-readable format
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74 function b2h(b, p) {
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75 if (b >= G) { b /= G; p = "G"; }
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76 else if (b >= M) { b /= M; p = "M"; }
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77 else { b /= K; p = "K"; }
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78 if (b >= 100) return sprintf( "%d%s", b, p);
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79 else return sprintf("%.1f%s", b, p);
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80 }
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81
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82 # Mark package with its dependencies (to be processed later)
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83 function mark_deps(pkg, localdepend, localdepends) {
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84 if (sizes[pkg]) {
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85 if (! pkgs[pkg]) {
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86 pkgs[pkg] = sizes[pkg];
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87
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88 if (depends[pkg]) {
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89 split(depends[pkg], localdepends, " ");
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90 # Recursive call
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91 for (localdepend in localdepends)
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92 mark_deps(localdepends[localdepend]);
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93 }
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94 }
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95 } else {
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96 printf " %s\n", $1 >> errfile;
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97 }
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98 }
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99
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100 # Calculate unpacked and packed sizes of /boot
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101 function calc(pkg, size_u, size_p) {
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102 if (pkgs[pkg]) {
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103 boot_u += h2b(size_u);
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104 boot_p += h2b(size_p);
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105 }
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106 }
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107
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108 # main loop
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109 {
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110 if (FILENAME ~ ".info") {
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111 # Step #1: fill arrays "sizes" and "depends"
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112 if (! sizes[$1]) {
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113 sizes[$1] = $7;
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114 depends[$1] = $8;
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115 }
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116 } else {
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117 # Step #2: mark packages and its dependencies
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118 mark_deps($1);
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119 }
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120 }
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121
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122 END {
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123 # Calculate sums for all marked packages and its deps
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124 for (pkg in pkgs) {
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125 num_pkgs ++;
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126 split(pkgs[pkg], s, " ");
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127 size_packed += h2b(s[1]);
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128 size_unpacked += h2b(s[2]);
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129 if (outfile) print pkg >> outfile;
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130 }
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131 # Add files placed in flavor.rootfs
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132 size_packed += rootfs_p;
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133 size_unpacked += rootfs_u;
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134
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135 # Check critical packages: "syslinux" and one of the packages containing "vmlinuz*"
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136 if (! pkgs["syslinux"]) printf " * Syslinux\n" >> warnfile;
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137 if (! pkgs["linux"] && ! pkgs["linux-without-modules"] && \
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138 ! pkgs["linux64"] && ! pkgs["linux64-without-modules"] && \
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139 ! pkgs["linux-libre"] && ! pkgs["linux-libre-without-modules"] && \
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140 ! pkgs["linux-uml"]) printf " * Linux kernel\n" >> warnfile;
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141
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142 # Calculate unpacked and packed sizes of /boot
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143 calc("syslinux", "156K", "120K" );
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144 calc("gpxe", "196K", "188K" );
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145 calc("ipxe", "316K", "312K" );
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146 calc("memtest", "52K", "48K" );
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147 calc("memtest-serial", "52K", "48K" );
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148 calc("slitaz-configs-base", "36K", "28K" );
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149 calc("linux", "2.8M", "2.8M" );
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150 calc("linux-without-modules", "12.6M", "12.8M");
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151 calc("linux64", "3.0M", "3.0M" );
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152 calc("linux64-without-modules", "13.2M", "13.4M");
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153 calc("linux-libre", "2.3M", "2.3M" );
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154 calc("linux-libre-without-modules", "6.9M", "6.9M" );
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155 calc("linux-uml", "3.0M", "1.1M" );
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156
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157 # /boot is moved away from rootfs
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158 size_packed -= boot_p;
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159 size_unpacked -= boot_u;
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160
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161 # Add rootcd payload and /boot content sizes
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162 size_iso = size_packed + rootcd_u + boot_u;
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163
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164 printf "%s %s ", b2h(size_unpacked), b2h(size_packed);
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165 printf "%s %d\n", b2h(size_iso), num_pkgs;
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166 }
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