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* screen-launcher-install: test executability of screen-launcher; install to

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.profile unconditionally, and only .bash_profile and .bash_login if they        exist; LP: #319691
  * screen-launcher-uninstall: test writability of file to prune; prune from
    .profile, .bash_profile, and .bash_login
This commit is contained in:
Dustin Kirkland 2009-02-02 14:13:46 +01:00
commit 80b0965ce5
2 changed files with 19 additions and 7 deletions
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17
screen-launcher-install
View file

@ -22,6 +22,7 @@
install_screen_launcher() {
dest=$1
launcher="/usr/bin/screen-launcher"
launcher_line="[ -x $launcher ] && $launcher"
# We have to make sure screen is called last
pos=$(( $(grep -ns "$launcher" "$dest" | sed 's/:.*$//' | head -1) ))
do=0
@ -29,7 +30,7 @@ install_screen_launcher() {
if [ $pos -lt $(( $(wc -l "$dest" | sed "s/ .*$//") -2)) ]; then
# We have to reposition the line at the end
# First remove it
sed -ibak '/screen-launcher/d' "$dest"
sed -i '/\/usr\/bin\/screen-launcher$/d' "$dest"
do=1
fi
else
@ -37,9 +38,17 @@ install_screen_launcher() {
fi
# Add it at the end
if [ $do -eq 1 ]; then
echo "$launcher" >> "$dest"
echo "$launcher_line" >> "$dest"
fi
}
install_screen_launcher "$HOME/.bashrc"
install_screen_launcher "$HOME/.bash_profile"
# Install in ~/.profile unconditionally
install_screen_launcher "$HOME/.profile"
# Now, install in any shell-specific profiles, if they exist
# This list may grow to support other shells
for i in ".bash_profile" ".bash_login"; do
if [ -w "$HOME/$i" ]; then
install_screen_launcher "$HOME/$i"
fi
done

9
screen-launcher-uninstall
View file

@ -21,8 +21,11 @@
remove_screen_launcher() {
dest=$1
sed -ibak '/^\/usr\/bin\/screen-launcher$/d' "$dest"
if [ -w "$dest" ]; then
sed -i '/\/usr\/bin\/screen-launcher$/d' "$dest"
fi
}
remove_screen_launcher "$HOME/.bashrc"
remove_screen_launcher "$HOME/.bash_profile"
for i in ".profile" ".bashrc" ".bash_profile"; do
remove_screen_launcher "$HOME/$i"
done