[328] | 1 | #!/bin/bash |
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| 2 | |
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| 3 | if [ "$scriptsdev" != "" -a "$scriptsdev" != "dev" ]; then |
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[459] | 4 | echo "ERROR:" |
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| 5 | echo "The \$scriptsdev variable is set to an invalid value." |
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| 6 | echo "(The variable should not be set.)" |
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| 7 | echo "Please contact scripts@mit.edu." |
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[328] | 8 | fi |
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| 9 | |
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| 10 | sshrun() { |
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[463] | 11 | athrun scripts scripts-ssh "$lname" "/mit/scripts/$@" 2>/dev/null |
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[328] | 12 | } |
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| 13 | |
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| 14 | checksqlpass() { |
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| 15 | errors=`sshrun "sql/bin$scriptsdev/test-password"` |
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| 16 | if [ "$errors" != "" ]; then |
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| 17 | if [ "$1" -eq 1 ]; then |
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| 18 | rm -f "$lroot/.sql/my.cnf" |
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| 19 | fi |
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| 20 | echo |
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[459] | 21 | echo "ERROR:" |
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[328] | 22 | printf "$2" |
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| 23 | exit 1 |
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| 24 | fi |
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| 25 | } |
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| 26 | attach scripts sql 2>/dev/null |
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| 27 | |
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[459] | 28 | echo "Welcome to the scripts.mit.edu uninstaller. This program will" |
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| 29 | echo "help you cleanly remove software that you have auto-installed." |
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[328] | 30 | echo |
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[459] | 31 | echo "Are you removing an installation from:" |
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| 32 | echo "1. Your personal Athena account" |
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| 33 | echo "2. A locker that you control (a club, a course, etc.)" |
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| 34 | echo "If you do not understand this question, you should answer 1." |
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[328] | 35 | printf "Please enter either 1 or 2: " |
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| 36 | read whofor |
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[459] | 37 | if [ "$whofor" = 1 ]; then |
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[328] | 38 | lname=$USER |
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| 39 | lroot=$HOME |
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[459] | 40 | elif [ "$whofor" = 2 ]; then |
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[328] | 41 | echo |
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[459] | 42 | echo "Please enter the name of the selected locker below." |
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[328] | 43 | echo "(For the locker /mit/sipb, you would enter sipb.)" |
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| 44 | read lname |
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| 45 | lroot="/mit/$lname" |
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| 46 | else |
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| 47 | echo |
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[459] | 48 | echo "ERROR:" |
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| 49 | echo "You must select either 1 or 2." |
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[328] | 50 | exit 1 |
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| 51 | fi |
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| 52 | attach "$lname" 2>/dev/null |
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| 53 | |
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| 54 | echo |
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[459] | 55 | echo "When you installed the software, you chose a URL" |
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| 56 | echo "that starts with http://scripts.mit.edu/~$lname/." |
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| 57 | echo "Please enter the full URL where this software was" |
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| 58 | echo "installed. (This should correspond to a directory" |
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| 59 | echo "in /mit/$lname/web_scripts/.)" |
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| 60 | printf "%s" "URL: http://scripts.mit.edu/~$lname/" |
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[328] | 61 | read addrend |
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| 62 | |
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[459] | 63 | addrend=`perl -0e 'print $ARGV[0] =~ /^([\w\/-]*[\w-])\/*$/' -- "$addrend"` |
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[328] | 64 | if [ "$addrend" = "" ]; then |
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| 65 | echo |
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[459] | 66 | echo "ERROR:" |
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| 67 | echo "You must enter one or more characters after ~$lname/" |
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| 68 | echo "The completed address must only contain a-z, 0-9, and /." |
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[328] | 69 | exit 1 |
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| 70 | fi |
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| 71 | |
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| 72 | if [ ! -d "$lroot/web_scripts/$addrend" ]; then |
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| 73 | echo |
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[459] | 74 | echo "ERROR:" |
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| 75 | echo "The directory $lroot/web_scripts/$addrend" |
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| 76 | echo "does not exist. Please make sure that this is the" |
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| 77 | echo "correct installation directory, and try again, or" |
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| 78 | echo "contact scripts@mit.edu for assistance." |
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[328] | 79 | exit 1 |
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| 80 | fi |
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| 81 | |
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| 82 | echo |
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| 83 | |
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| 84 | sqlinfo=`sshrun "sql/bin$scriptsdev/get-password"` |
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| 85 | if [ "$sqlinfo" = "" ]; then |
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| 86 | echo |
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[459] | 87 | echo "You have a MySQL account but you do not have a .my.cnf file." |
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| 88 | echo "If you do not remember your MySQL account password, you can change it" |
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| 89 | echo "at http://sql.mit.edu using MIT certificates." |
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[328] | 90 | printf "Please type your MySQL password and press [enter]: " |
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| 91 | stty -echo |
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| 92 | read sqlpass |
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| 93 | stty echo |
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| 94 | echo |
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| 95 | sqlhost="sql.mit.edu" |
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| 96 | sqluser=$lname |
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| 97 | . "/mit/scripts/sql/bin$scriptsdev/save-password" |
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[459] | 98 | checksqlpass 1 'The MySQL password that you typed appears to be incorrect.\n' |
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[328] | 99 | echo |
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[459] | 100 | echo "OK. Continuing with the uninstaller..." |
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[328] | 101 | else |
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[459] | 102 | checksqlpass 0 'The MySQL login information in your .my.cnf file\nappears to be incorrect.\n' |
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[328] | 103 | fi |
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| 104 | |
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| 105 | sqldb=`sshrun "sql/bin$scriptsdev/get-next-database" "$addrend"` |
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| 106 | if [ "$sqldb" != "${addrend}1" -a "$sqldb" != "$addrend" ]; then |
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| 107 | echo |
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[459] | 108 | echo "ERROR:" |
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| 109 | echo "The auto-uninstaller was unable to find the appropriate" |
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| 110 | echo "database to drop. Please examine the installation to" |
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| 111 | echo "find the database it uses, drop the database from" |
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| 112 | echo "http://sql.mit.edu/, and manually remove the $addrend" |
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| 113 | echo "directory (or re-run the auto-installer). Contact" |
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| 114 | echo "scripts@mit.edu if you need assistance." |
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[328] | 115 | exit 1 |
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| 116 | fi |
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| 117 | |
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[459] | 118 | echo "Removing files. Please wait..." |
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| 119 | echo "(This may take several seconds for large software.)" |
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[328] | 120 | if rm -rf "$lroot/web_scripts/$addrend"; then |
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[459] | 121 | echo "The directory $lroot/web_scripts/$addrend" |
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| 122 | echo "was successfully removed." |
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[328] | 123 | if [ -d "$lroot/OldFiles/web_scripts/$addrend" ]; then |
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[459] | 124 | echo "A one-day-old backup of the installation is" |
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| 125 | echo "available from $lroot/OldFiles/web_scripts/$addrend". |
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[328] | 126 | fi |
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| 127 | else |
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[459] | 128 | echo "ERROR:" |
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| 129 | echo "The directory $lroot/web_scripts/$addrend" |
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| 130 | echo "could not be removed. Please ensure that you have" |
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| 131 | echo "access to this directory and try again, or" |
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| 132 | echo "contact scripts@mit.edu for assistance." |
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[328] | 133 | exit 1 |
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| 134 | fi |
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| 135 | |
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| 136 | echo |
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| 137 | if [ "$sqldb" = "${addrend}1" ]; then |
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| 138 | sqldb="$lname+$addrend" |
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[459] | 139 | dropped=`sshrun "sql/bin$scriptsdev/drop-database" "$sqldb"` |
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[328] | 140 | if [ "$dropped" ]; then |
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[459] | 141 | echo "The database $sqldb" |
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| 142 | echo "was successfully removed." |
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[328] | 143 | attach sql 2>/dev/null |
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| 144 | if [ -f "/mit/sql/backup/$lname/$sqldb.sql.gz" ]; then |
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[459] | 145 | echo "A one-day-old backup of your SQL database is" |
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| 146 | echo "available in /mit/sql/backup/$lname". |
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[328] | 147 | fi |
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| 148 | exit |
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| 149 | else |
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[459] | 150 | echo "ERROR:" |
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| 151 | echo "The database $lname+$addrend" |
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| 152 | echo "could not be automatically removed. You can" |
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| 153 | echo "try removing it from http://sql.mit.edu/," |
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| 154 | echo "or you can contact sql@mit.edu for assistance." |
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[328] | 155 | exit 1 |
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| 156 | fi |
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| 157 | fi |
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| 158 | echo |
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[459] | 159 | echo "The installation in http://scripts.mit.edu/~$lname/$addrend" |
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| 160 | echo "has been successfully uninstalled." |
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