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Check shell profile is writeable before modifying

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The `set -e` at the top of the script causes the installation to fail to
complete if the shell profile is not writeable. Checking file existence
only is not enough.

(cherry picked from commit ad0dc41899)
This commit is contained in:
Alex Cruice 2015-05-25 14:49:44 +10:00 • committed by Eelco Dolstra
parent 1852f7dbf3
commit 0322c92560
1 changed files with 1 additions and 1 deletions
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2
scripts/install-nix-from-closure.sh
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@ -92,7 +92,7 @@ p=$NIX_LINK/etc/profile.d/nix.sh
added= added=
for i in .bash_profile .bash_login .profile; do for i in .bash_profile .bash_login .profile; do
fn="$HOME/$i" fn="$HOME/$i"
if [ -e "$fn" ]; then if [ -w "$fn" ]; then
if ! grep -q "$p" "$fn"; then if ! grep -q "$p" "$fn"; then
echo "modifying $fn..." >&2 echo "modifying $fn..." >&2
echo "if [ -e $p ]; then . $p; fi # added by Nix installer" >> $fn echo "if [ -e $p ]; then . $p; fi # added by Nix installer" >> $fn