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Add update command

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Add command that updates an installed tool by removing its executables,
using `git pull' to update the code and then reinstalling the
executables (plus any new ones).
This commit is contained in:
Tom Willemse 2014-03-12 18:04:34 +01:00
parent 8dc064c4c7
commit 3e50206d62
1 changed files with 66 additions and 27 deletions
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93
sti
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@ -25,6 +25,40 @@ function find-executables ()
find "$1" -type f -executable \! -wholename "${data_home}/*/.*"
}
function init
{
for exe in $(find-executables "$1"); do
local executable_name=$(basename "$exe")
local destination="${bin_home}/${executable_name}"
if [[ ! -e "$destination" ]]; then
ln -s "$exe" "$destination"
elif [[ "$(readlink $destination)" == "$exe" ]]; then
echo "Executable ${executable_name} already installed"
else
echo "Executable ${executable_name} already exists in \
${bin_home}"
fi
done
}
function uninit
{
for exe in $(find-executables "$1"); do
local real_path=$(realpath "$exe")
local base_name=$(basename "$exe")
local link_path="${bin_home}/${base_name}"
local linked_path=$(readlink "$link_path")
if [[ -e "$link_path" ]] \
&& [[ "$linked_path" == "$real_path" ]]; then
rm "$link_path"
else
echo "Executable ${base_name} is not part of $1"
fi
done
}
function help_help { cmd_help "$@"; }
function cmd_help
{
@ -40,6 +74,7 @@ function cmd_help
echo " list List downloaded tools"
echo " reinit Retry installing the executables of a tool"
echo " remove Remove an installed tool"
echo " update Update an installed tool"
echo
echo "You can use \`${executable_name} help <command>' to get \
more information about a command." | fold
@ -77,19 +112,7 @@ function cmd_reinit ()
local tool_home="${data_home}/tools/$1"
if [[ -d "$tool_home" ]]; then
for exe in $(find-executables "$tool_home"); do
local executable_name=$(basename "$exe")
local destination="${bin_home}/${executable_name}"
if [[ ! -e "$destination" ]]; then
ln -s "$exe" "$destination"
elif [[ "$(readlink $destination)" == "$exe" ]]; then
echo "Executable ${executable_name} already installed"
else
echo "Executable ${executable_name} already exists in \
${bin_home}"
fi
done
init "$tool_home"
fi
}
@ -118,7 +141,7 @@ function cmd_install ()
if [[ ! -d "$tool_home" ]]; then
git clone $1 "$tool_home"
cmd_reinit "$tool_name"
init "$tool_home"
else
echo "Tool ${tool_name} already installed"
exit 2
@ -145,19 +168,7 @@ function cmd_remove ()
tool_home="${data_home}/tools/$1"
if [[ -d "$tool_home" ]]; then
for exe in $(find-executables "$tool_home"); do
local real_path=$(realpath "$exe")
local base_name=$(basename "$exe")
local link_path="${bin_home}/${base_name}"
local linked_path=$(readlink "$link_path")
if [[ -e "$link_path" ]] \
&& [[ "$linked_path" == "$real_path" ]]; then
rm "$link_path"
else
echo "Executable ${base_name} is not part of $1"
fi
done
uninit "$tool_home"
rm -rf "$tool_home" && echo "Succesfully removed $1"
else
echo "Tool $1 is not installed"
@ -165,6 +176,34 @@ function cmd_remove ()
fi
}
function help_update
{
echo "Usage: ${executable_name} update TOOL"
echo
echo "TOOL should be the name of a tool installed previously with \
\`${executable_name} install'. This name is the base name of the URL \
used to install the tool, with the \`.git' suffix removed." | fold
echo
echo "This command removes all the executables from \`${data_home}' \
just as \`${executable_name} remove' would, calls \`git pull' in TOOL's \
directory and then reinstalls the executables as \`${executable_name} \
reinit' would."
}
function cmd_update
{
tool_home="${data_home}/tools/$1"
if [[ -d "$tool_home" ]]; then
uninit "$tool_home"
cd $tool_home && git pull
init "$tool_home"
else
echo "Tool $1 is not installed"
exit 2
fi
}
function dispatch
{
local name="${prefix-cmd}_$1"