[328] | 1 | #!/bin/bash |
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| 2 | |
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| 3 | if [ "$scriptsdev" != "" -a "$scriptsdev" != "dev" ]; then |
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| 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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| 8 | fi |
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| 9 | |
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| 10 | sshrun() { |
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| 11 | athrun scripts sshmic "$lname@scripts.mit.edu" "/mit/scripts/$@" 2>/dev/null |
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| 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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| 21 | echo ERROR: |
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| 22 | printf "$2" |
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| 23 | printf "$3" |
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| 24 | exit 1 |
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| 25 | fi |
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| 26 | } |
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| 27 | attach scripts sql 2>/dev/null |
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| 28 | |
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| 29 | echo Welcome to the scripts.mit.edu uninstaller. This program will |
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| 30 | echo help you cleanly remove software that you have auto-installed. |
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| 31 | echo |
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| 32 | echo Are you removing an installation from: |
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| 33 | echo 1. Your personal Athena account |
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| 34 | echo 2. A locker that you control \(a club, a course, etc.\) |
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| 35 | echo If you do not understand this question, you should answer 1. |
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| 36 | printf "Please enter either 1 or 2: " |
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| 37 | read whofor |
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| 38 | if [ "$whofor" -eq 1 ]; then |
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| 39 | lname=$USER |
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| 40 | lroot=$HOME |
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| 41 | elif [ "$whofor" -eq 2 ]; then |
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| 42 | echo |
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| 43 | echo Please enter the name of the selected locker below. |
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| 44 | echo "(For the locker /mit/sipb, you would enter sipb.)" |
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| 45 | read lname |
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| 46 | lroot="/mit/$lname" |
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| 47 | else |
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| 48 | echo |
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| 49 | echo ERROR: |
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| 50 | echo You must select either 1 or 2. |
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| 51 | exit 1 |
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| 52 | fi |
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| 53 | attach "$lname" 2>/dev/null |
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| 54 | |
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| 55 | echo |
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| 56 | echo When you installed the software, you chose a URL |
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| 57 | echo that starts with http://scripts.mit.edu/~"$lname"/. |
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| 58 | echo Please enter the full URL where this software was |
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| 59 | echo installed. \(This should correspond to a directory |
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| 60 | echo in /mit/"$lname"/web_scripts/.\) |
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| 61 | printf "URL: http://scripts.mit.edu/~$lname/" |
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| 62 | read addrend |
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| 63 | |
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| 64 | addrend=`echo "$addrend" | sed -n 's/^\([a-z0-9A-Z\/-]*[a-z0-9A-Z-]\)\/\?$/\1/ p'` |
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| 65 | if [ "$addrend" = "" ]; then |
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| 66 | echo |
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| 67 | echo ERROR: |
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| 68 | echo You must enter one or more characters after "~$lname/" |
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| 69 | echo The completed address must only contain a-z, 0-9, and /. |
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| 70 | exit 1 |
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| 71 | fi |
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| 72 | |
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| 73 | if [ ! -d "$lroot/web_scripts/$addrend" ]; then |
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| 74 | echo |
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| 75 | echo ERROR: |
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| 76 | echo The directory "$lroot/web_scripts/$addrend" |
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| 77 | echo does not exist. Please make sure that this is the |
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| 78 | echo correct installation directory, and try again, or |
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| 79 | echo contact scripts@mit.edu for assistance. |
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| 80 | exit 1 |
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| 81 | fi |
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| 82 | |
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| 83 | echo |
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| 84 | |
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| 85 | sqlinfo=`sshrun "sql/bin$scriptsdev/get-password"` |
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| 86 | if [ "$sqlinfo" = "" ]; then |
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| 87 | echo |
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| 88 | echo You have a MySQL account but you do not have a .my.cnf file. |
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| 89 | echo If you do not remember your MySQL account password, you can change it |
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| 90 | echo at http://sql.mit.edu using MIT certificates. |
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| 91 | printf "Please type your MySQL password and press [enter]: " |
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| 92 | stty -echo |
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| 93 | read sqlpass |
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| 94 | stty echo |
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| 95 | echo |
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| 96 | sqlhost="sql.mit.edu" |
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| 97 | sqluser=$lname |
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| 98 | . "/mit/scripts/sql/bin$scriptsdev/save-password" |
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| 99 | checksqlpass 1 'The MySQL password that you typed appears to be incorrect.\n' '' |
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| 100 | echo |
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| 101 | echo OK. Continuing with the uninstaller... |
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| 102 | else |
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| 103 | checksqlpass 0 'The MySQL login information in your .my.cnf file\n' 'appears to be incorrect.\n' |
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| 104 | fi |
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| 105 | |
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| 106 | sqldb=`sshrun "sql/bin$scriptsdev/get-next-database" "$addrend"` |
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| 107 | if [ "$sqldb" != "${addrend}1" -a "$sqldb" != "$addrend" ]; then |
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| 108 | echo |
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| 109 | echo ERROR: |
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| 110 | echo The auto-uninstaller was unable to find the appropriate |
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| 111 | echo database to drop. Please examine the installation to |
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| 112 | echo find the database it uses, drop the database from |
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| 113 | echo http://sql.mit.edu/, and manually remove the "$addrend" |
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| 114 | echo directory \(or re-run the auto-installer\). Contact |
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| 115 | echo scripts@mit.edu if you need assistance. |
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| 116 | exit 1 |
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| 117 | fi |
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| 118 | |
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| 119 | echo Removing files. Please wait... |
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| 120 | echo \(This may take several seconds for large software.\) |
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| 121 | if rm -rf "$lroot/web_scripts/$addrend"; then |
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| 122 | echo The directory "$lroot/web_scripts/$addrend" |
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| 123 | echo was successfully removed. |
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| 124 | if [ -d "$lroot/OldFiles/web_scripts/$addrend" ]; then |
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| 125 | echo A one-day-old backup of the installation is |
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| 126 | echo available from "$lroot/OldFiles/web_scripts/$addrend". |
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| 127 | fi |
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| 128 | else |
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| 129 | echo ERROR: |
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| 130 | echo The directory "$lroot/web_scripts/$addrend" |
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| 131 | echo could not be removed. Please ensure that you have |
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| 132 | echo access to this directory and try again, or |
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| 133 | echo contact scripts@mit.edu for assistance. |
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| 134 | exit 1 |
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| 135 | fi |
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| 136 | |
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| 137 | echo |
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| 138 | if [ "$sqldb" = "${addrend}1" ]; then |
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| 139 | sqldb="$lname+$addrend" |
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| 140 | dropped=`sshrun sql/bin$scriptsdev/drop-database "$sqldb"` |
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| 141 | if [ "$dropped" ]; then |
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| 142 | echo The database "$sqldb" |
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| 143 | echo was successfully removed. |
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| 144 | attach sql 2>/dev/null |
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| 145 | if [ -f "/mit/sql/backup/$lname/$sqldb.sql.gz" ]; then |
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| 146 | echo A one-day-old backup of your SQL database is |
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| 147 | echo available in /mit/sql/backup/"$lname". |
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| 148 | fi |
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| 149 | exit |
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| 150 | else |
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| 151 | echo ERROR: |
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| 152 | echo The database "$lname+$addrend" |
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| 153 | echo could not be automatically removed. You can |
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| 154 | echo try removing it from http://sql.mit.edu/, |
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| 155 | echo or you can contact sql@mit.edu for assistance. |
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| 156 | exit 1 |
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| 157 | fi |
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| 158 | fi |
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| 159 | echo |
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| 160 | echo The installation in "scripts.mit.edu/~$lname/$addrend" |
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| 161 | echo has been successfully uninstalled. |
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