blob: 5cdb66e5920fc9632ac7668f377c7e3426a3c0ca (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
|
#!/usr/bin/env bash
function setupVars() {
local profilesPath="/nix/var/nix/profiles/per-user/$USER"
local gcPath="/nix/var/nix/gcroots/per-user/$USER"
local greatestGenNum
greatestGenNum=$( \
find "$profilesPath" -name 'home-manager-*-link' \
| sed 's/^.*-\([0-9]*\)-link$/\1/' \
| sort -rn \
| head -1)
if [[ -n $greatestGenNum ]] ; then
oldGenNum=$greatestGenNum
newGenNum=$((oldGenNum + 1))
else
newGenNum=1
fi
if [[ -e $gcPath/current-home ]] ; then
oldGenPath="$(readlink -e "$gcPath/current-home")"
fi
$VERBOSE_ECHO "Sanity checking oldGenNum and oldGenPath"
if [[ -v oldGenNum && ! -v oldGenPath
|| ! -v oldGenNum && -v oldGenPath ]]; then
errorEcho "Invalid profile number and GC root values! These must be"
errorEcho "either both empty or both set but are now set to"
errorEcho " '${oldGenNum:-}' and '${oldGenPath:-}'"
errorEcho "If you don't mind losing previous profile generations then"
errorEcho "the easiest solution is probably to run"
errorEcho " rm $profilesPath/home-manager*"
errorEcho " rm $gcPath/current-home"
errorEcho "and trying home-manager switch again. Good luck!"
exit 1
fi
genProfilePath="$profilesPath/home-manager"
newGenPath="@GENERATION_DIR@";
newGenProfilePath="$profilesPath/home-manager-$newGenNum-link"
newGenGcPath="$gcPath/current-home"
}
if [[ -v VERBOSE ]]; then
export VERBOSE_ECHO=echo
export VERBOSE_ARG="--verbose"
else
export VERBOSE_ECHO=true
export VERBOSE_ARG=""
fi
echo "Starting home manager activation"
setupVars
if [[ -v DRY_RUN ]] ; then
echo "This is a dry run"
export DRY_RUN_CMD=echo
else
$VERBOSE_ECHO "This is a live run"
export DRY_RUN_CMD=""
fi
if [[ -v VERBOSE ]]; then
echo -n "Using Nix version: "
nix-env --version
fi
$VERBOSE_ECHO "Activation variables:"
if [[ -v oldGenNum ]] ; then
$VERBOSE_ECHO " oldGenNum=$oldGenNum"
$VERBOSE_ECHO " oldGenPath=$oldGenPath"
else
$VERBOSE_ECHO " oldGenNum undefined (first run?)"
$VERBOSE_ECHO " oldGenPath undefined (first run?)"
fi
$VERBOSE_ECHO " newGenPath=$newGenPath"
$VERBOSE_ECHO " newGenNum=$newGenNum"
$VERBOSE_ECHO " newGenProfilePath=$newGenProfilePath"
$VERBOSE_ECHO " newGenGcPath=$newGenGcPath"
$VERBOSE_ECHO " genProfilePath=$genProfilePath"
|
